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Soil Organic Carbon Sequestration by Tillage and Crop Rotation: A Global Data Analysis (Full Database)

West, T.O., and W.M. Post. 2002. Soil Organic Carbon Sequestration by Tillage and Crop Rotation: A Global Data Analysis. Carbon Dioxide Information Analysis Center, U.S. Department of Energy, Oak Ridge National Laboratory, Oak Ridge, Tennessee, U.S.A.

Full data base of agricultural experiments used in this study.

Site ID Tillage1 Crop2 Fertilizer3 (kg/ha/yr) Sample year Sampling Depth (cm) Depth increment (cm) SOC4 (%) SOC4 (g/m2)
KY01 n/a sod n/a 1975 0-5 5 2.70  
KY01 n/a sod n/a 1975 5-15 10 1.39  
KY01 n/a sod n/a 1975 15-30 15 0.79  
KY01 n/a sod n/a 1980 0-5 5 3.81  
KY01 n/a sod n/a 1980 5-15 10 1.73  
KY01 n/a sod n/a 1980 15-30 15 0.90  
KY01 n/a sod n/a 1989 0-5 5 3.11  
KY01 n/a sod n/a 1989 5-15 10 1.41  
KY01 n/a sod n/a 1989 15-30 15 1.11  
KY01 CT corn 0 1975 0-5 5 1.33  
KY01 CT corn 0 1975 5-15 10 1.24  
KY01 CT corn 0 1975 15-30 15 0.68  
KY01 CT corn 0 1980 0-5 5 1.25  
KY01 CT corn 0 1980 5-15 10 1.38  
KY01 CT corn 0 1980 15-30 15 0.78  
KY01 CT corn 0 1989 0-5 5 1.31  
KY01 CT corn 0 1989 5-15 10 1.55  
KY01 CT corn 0 1989 15-30 15 0.95  
KY01 CT corn 84 1975 0-5 5 1.46  
KY01 CT corn 84 1975 5-15 10 1.40  
KY01 CT corn 84 1975 15-30 15 0.91  
KY01 CT corn 84 1980 0-5 5 1.40  
KY01 CT corn 84 1980 5-15 10 1.34  
KY01 CT corn 84 1980 15-30 15 1.01  
KY01 CT corn 84 1989 0-5 5 1.48  
KY01 CT corn 84 1989 5-15 10 1.59  
KY01 CT corn 84 1989 15-30 15 1.21  
KY01 CT corn 168 1975 0-5 5 1.57  
KY01 CT corn 168 1975 5-15 10 1.44  
KY01 CT corn 168 1975 15-30 15 0.85  
KY01 CT corn 168 1980 0-5 5 1.39  
KY01 CT corn 168 1980 5-15 10 1.34  
KY01 CT corn 168 1980 15-30 15 0.70  
KY01 CT corn 168 1989 0-5 5 1.54  
KY01 CT corn 168 1989 5-15 10 1.72  
KY01 CT corn 168 1989 15-30 15 1.12  
KY01 CT corn 336 1975 0-5 5 1.57  
KY01 CT corn 336 1975 5-15 10 1.40  
KY01 CT corn 336 1975 15-30 15 0.79  
KY01 CT corn 336 1980 0-5 5 1.46  
KY01 CT corn 336 1980 5-15 10 1.49  
KY01 CT corn 336 1980 15-30 15 0.94  
KY01 CT corn 336 1989 0-5 5 1.73  
KY01 CT corn 336 1989 5-15 10 1.82  
KY01 CT corn 336 1989 15-30 15 1.23  
KY01 NT corn 0 1975 0-5 5 2.13  
KY01 NT corn 0 1975 5-15 10 1.26  
KY01 NT corn 0 1975 15-30 15 0.79  
KY01 NT corn 0 1980 0-5 5 2.15  
KY01 NT corn 0 1980 5-15 10 1.09  
KY01 NT corn 0 1980 15-30 15 0.57  
KY01 NT corn 0 1989 0-5 5 2.50  
KY01 NT corn 0 1989 5-15 10 1.55  
KY01 NT corn 0 1989 15-30 15 0.89  
KY01 NT corn 84 1975 0-5 5 2.30  
KY01 NT corn 84 1975 5-15 10 1.29  
KY01 NT corn 84 1975 15-30 15 0.79  
KY01 NT corn 84 1980 0-5 5 2.95  
KY01 NT corn 84 1980 5-15 10 1.28  
KY01 NT corn 84 1980 15-30 15 0.94  
KY01 NT corn 84 1989 0-5 5 2.65  
KY01 NT corn 84 1989 5-15 10 1.69  
KY01 NT corn 84 1989 15-30 15 0.90  
KY01 NT corn 168 1975 0-5 5 2.38  
KY01 NT corn 168 1975 5-15 10 1.22  
KY01 NT corn 168 1975 15-30 15 0.72  
KY01 NT corn 168 1980 0-5 5 2.80  
KY01 NT corn 168 1980 5-15 10 1.36  
KY01 NT corn 168 1980 15-30 15 0.66  
KY01 NT corn 168 1989 0-5 5 2.89  
KY01 NT corn 168 1989 5-15 10 1.66  
KY01 NT corn 168 1989 15-30 15 0.87  
KY01 NT corn 336 1975 0-5 5 2.62  
KY01 NT corn 336 1975 5-15 10 1.34  
KY01 NT corn 336 1975 15-30 15 0.84  
KY01 NT corn 336 1980 0-5 5 2.93  
KY01 NT corn 336 1980 5-15 10 1.15  
KY01 NT corn 336 1980 15-30 15 0.90  
KY01 NT corn 336 1989 0-5 5 3.25  
KY01 NT corn 336 1989 5-15 10 1.74  
KY01 NT corn 336 1989 15-30 15 1.07  
AL01 CT Initial n/a 1980 0-15 15 1.00  
AL01 CT Initial n/a 1980 15-30 15 0.81  
AL01 CT Initial n/a 1980 30-45 15 0.53  
AL01 CT Initial n/a 1980 45-60 15 0.33  
AL01 CT soybean n/a 1990 0-5 5 0.98  
AL01 CT soybean n/a 1990 5-10 5 0.97  
AL01 CT soybean n/a 1990 10-20 10 1.00  
AL01 CT soybean n/a 1990 20-30 10    
AL01 CT soybean n/a 1990 30-45 15    
AL01 NT soybean n/a 1990 0-5 5 1.60  
AL01 NT soybean n/a 1990 5-10 5 1.51  
AL01 NT soybean n/a 1990 10-20 10 1.00  
AL01 NT soybean n/a 1990 20-30 10    
AL01 NT soybean n/a 1990 30-45 15    
AL01 CT corn n/a 1990 0-5 5 1.07  
AL01 CT corn n/a 1990 5-10 5 1.07  
AL01 CT corn n/a 1990 10-20 10 1.00  
AL01 CT corn n/a 1990 20-30 10    
AL01 CT corn n/a 1990 30-45 15    
AL01 NT corn n/a 1990 0-5 5 2.06  
AL01 NT corn n/a 1990 5-10 5 1.82  
AL01 NT corn n/a 1990 10-20 10 1.09  
AL01 NT corn n/a 1990 20-30 10    
AL01 NT corn n/a 1990 30-45 15    
AL01 CT corn, soybean n/a 1990 0-5 5 1.02  
AL01 CT corn, soybean n/a 1990 5-10 5 1.00  
AL01 CT corn, soybean n/a 1990 10-20 10 0.89  
AL01 CT corn, soybean n/a 1990 20-30 10    
AL01 CT corn, soybean n/a 1990 30-45 15    
AL01 NT corn, soybean n/a 1990 0-5 5 1.84  
AL01 NT corn, soybean n/a 1990 5-10 5 1.60  
AL01 NT corn, soybean n/a 1990 10-20 10 0.88  
AL01 NT corn, soybean n/a 1990 20-30 10    
AL01 NT corn, soybean n/a 1990 30-45 15    
AL02 CT cotton no legume 1988 0-10 10 0.56  
AL02 CT cotton no legume 1992 0-10 10 0.50  
AL02 CT cotton no legume 1994 0-10 10 0.35  
AL02 CT cotton no legume 1997 0-10 10 0.50  
AL02 CT cotton legume 1988 0-10 10 1.22  
AL02 CT cotton legume 1992 0-10 10 0.88  
AL02 CT cotton legume 1994 0-10 10 1.04  
AL02 CT cotton legume 1997 0-10 10 0.84  
AL02 CT cotton-corn legume 1988 0-10 10 1.09  
AL02 CT cotton-corn legume 1992 0-10 10 1.06  
AL02 CT cotton-corn legume 1994 0-10 10 1.00  
AL02 CT cotton-corn legume 1997 0-10 10 0.85  
AL02 CT cotton-corn-soybean/rye legume 1988 0-10 10 1.49  
AL02 CT cotton-corn-soybean/rye legume 1992 0-10 10 1.37  
AL02 CT cotton-corn-soybean/rye legume 1994 0-10 10 1.10  
AL02 CT cotton-corn-soybean/rye legume 1997 0-10 10 1.27  
Bri01 CT barley n/a 1988 0-7.5 7.5 2.80  
Bri01 NT barley n/a 1988 0-7.5 7.5 3.53  
Alb01 CT canola, wheat, barley, fallow n/a 1995 0-5 5 4.78  
Alb01 CT canola, wheat, barley, fallow n/a 1995 5-12.5 7.5 4.03  
Alb01 CT canola, wheat, barley, fallow n/a 1995 12.5-20 7.5 2.76  
Alb01 RT canola, wheat, barley, fallow n/a 1995 0-5 5 4.78  
Alb01 RT canola, wheat, barley, fallow n/a 1995 5-12.5 7.5 4.03  
Alb01 RT canola, wheat, barley, fallow n/a 1995 12.5-20 7.5 2.76  
Alb01 NT canola, wheat, barley, fallow n/a 1995 0-5 5 4.78  
Alb01 NT canola, wheat, barley, fallow n/a 1995 5-12.5 7.5 4.03  
Alb01 NT canola, wheat, barley, fallow n/a 1995 12.5-20 7.5 2.76  
GA01 CT rye n/a 1979 0-10 10 2.41  
GA01 NT rye n/a 1979 0-10 10 2.34  
GA01 CT rye n/a 1982 0-5 5 1.54  
GA01 CT rye n/a 1982 5-13 8 1.45  
GA01 CT rye n/a 1982 13-21 8 0.73  
GA01 NT rye n/a 1982 0-5 5 2.77  
GA01 NT rye n/a 1982 5-13 8 0.90  
GA01 NT rye n/a 1982 13-21 8 0.49  
GA01 CT rye n/a 1984 0-5 5 1.12  
GA01 CT rye n/a 1984 5-13 8 1.06  
GA01 CT rye n/a 1984 13-21 8 0.59  
GA01 NT rye n/a 1984 0-5 5 2.00  
GA01 NT rye n/a 1984 5-13 8 0.76  
GA01 NT rye n/a 1984 13-21 8 0.55  
GA01 CT rye n/a 1985 0-5 5 1.23  
GA01 CT rye n/a 1985 5-13 8 0.99  
GA01 CT rye n/a 1985 13-21 8 0.58  
GA01 NT rye n/a 1985 0-5 5 2.02  
GA01 NT rye n/a 1985 5-13 8 0.84  
GA01 NT rye n/a 1985 13-21 8 0.53  
GA01 CT rye n/a 1986 0-5 5 1.27  
GA01 CT rye n/a 1986 5-13 8 1.14  
GA01 CT rye n/a 1986 13-21 8 0.78  
GA01 NT rye n/a 1986 0-5 5 1.95  
GA01 NT rye n/a 1986 5-13 8 0.91  
GA01 NT rye n/a 1986 13-21 8 0.46  
GA01 CT rye n/a 1988 0-5 5 1.26  
GA01 CT rye n/a 1988 5-13 8 1.08  
GA01 CT rye n/a 1988 13-21 8 0.47  
GA01 NT rye n/a 1988 0-5 5 1.88  
GA01 NT rye n/a 1988 5-13 8 0.83  
GA01 NT rye n/a 1988 13-21 8 0.43  
GA01 CT rye n/a 1990 0-5 5 1.17  
GA01 CT rye n/a 1990 5-13 8 0.97  
GA01 CT rye n/a 1990 13-21 8 0.62  
GA01 NT rye n/a 1990 0-5 5 2.26  
GA01 NT rye n/a 1990 5-13 8 0.83  
GA01 NT rye n/a 1990 13-21 8 0.45  
NE01a n/a sod n/a 1970 0-20 20 1.75  
NE01a n/a sod n/a 1972 0-20 20    
NE01a n/a sod n/a 1976 0-20 20    
NE01a n/a sod n/a 1978 0-20 20    
NE01a n/a sod n/a 1981 0-20 20 1.70  
NE01a n/a sod n/a 1982 0-20 20 1.77  
NE01a n/a sod n/a 1983 0-20 20 1.64  
NE01a n/a sod n/a 1986 0-20 20 1.90  
NE01a n/a sod n/a 1990 0-20 20 1.80  
NE01a NT wheat-fallow n/a 1970 0-20 20 1.78  
NE01a NT wheat-fallow n/a 1972 0-20 20    
NE01a NT wheat-fallow n/a 1976 0-20 20    
NE01a NT wheat-fallow n/a 1978 0-20 20 1.53  
NE01a NT wheat-fallow n/a 1981 0-20 20 1.64  
NE01a NT wheat-fallow n/a 1982 0-20 20 1.60  
NE01a NT wheat-fallow n/a 1983 0-20 20 1.57  
NE01a NT wheat-fallow n/a 1986 0-20 20 1.74  
NE01a NT wheat-fallow n/a 1990 0-20 20 1.61  
NE01a RT wheat-fallow n/a 1970 0-20 10 1.69  
NE01a RT wheat-fallow n/a 1972 0-20 20    
NE01a RT wheat-fallow n/a 1976 0-20 20    
NE01a RT wheat-fallow n/a 1978 0-20 20    
NE01a RT wheat-fallow n/a 1981 0-20 20 1.50  
NE01a RT wheat-fallow n/a 1982 0-20 20 1.47  
NE01a RT wheat-fallow n/a 1983 0-20 20    
NE01a RT wheat-fallow n/a 1986 0-20 20 1.53  
NE01a RT wheat-fallow n/a 1990 0-20 20 1.43  
NE01a CT wheat-fallow n/a 1970 0-20 20 1.63  
NE01a CT wheat-fallow n/a 1972 0-20 20    
NE01a CT wheat-fallow n/a 1976 0-20 20    
NE01a CT wheat-fallow n/a 1978 0-20 20 1.28  
NE01a CT wheat-fallow n/a 1981 0-20 20 1.31  
NE01a CT wheat-fallow n/a 1982 0-20 20 1.30  
NE01a CT wheat-fallow n/a 1983 0-20 20 1.37  
NE01a CT wheat-fallow n/a 1986 0-20 20 1.48  
NE01a CT wheat-fallow n/a 1990 0-20 20 1.20  
NE01b n/a sod n/a 1980 0-20 20 1.55  
NE01b n/a sod n/a 1981 0-20 20 1.46  
NE01b n/a sod n/a 1991 0-20 20 1.59  
NE01b NT wheat-fallow n/a 1980 0-20 20 1.46  
NE01b NT wheat-fallow n/a 1981 0-20 20 1.43  
NE01b NT wheat-fallow n/a 1991 0-20 20 1.54  
NE01b RT wheat-fallow n/a 1980 0-20 20 1.37  
NE01b RT wheat-fallow n/a 1981 0-20 20 1.15  
NE01b RT wheat-fallow n/a 1991 0-20 20 1.20  
NE01b CT wheat-fallow n/a 1980 0-20 20 1.29  
NE01b CT wheat-fallow n/a 1981 0-20 20 0.95  
NE01b CT wheat-fallow n/a 1991 0-20 20 1.12  
SC01 RT corn n/a 1979 0-5 5 0.63  
SC01 RT corn n/a 1979 5-10 5 0.52  
SC01 RT corn n/a 1979 10-15 5 0.39  
SC01 NT corn n/a 1979 0-5 5 0.53  
SC01 NT corn n/a 1979 5-10 5 0.46  
SC01 NT corn n/a 1979 10-15 5 0.45  
SC01 RT corn n/a 1980 0-2.5 2.5 0.64  
SC01 RT corn n/a 1980 2.5-5.0 2.5 0.58  
SC01 RT corn n/a 1980 5.0-7.5 2.5 0.64  
SC01 RT corn n/a 1980 7.5-10.0 2.5 0.52  
SC01 RT corn n/a 1980 10.0-12.5 2.5 0.47  
SC01 RT corn n/a 1980 12.5-15.0 2.5 0.47  
SC01 NT corn n/a 1980 0-2.5 2.5 0.81  
SC01 NT corn n/a 1980 2.5-5.0 2.5 0.70  
SC01 NT corn n/a 1980 5.0-7.5 2.5 0.76  
SC01 NT corn n/a 1980 7.5-10.0 2.5 0.81  
SC01 NT corn n/a 1980 10.0-12.5 2.5 0.70  
SC01 NT corn n/a 1980 12.5-15.0 2.5 0.60  
SC01 RT corn n/a 1981 0-2.5 2.5 0.98  
SC01 RT corn n/a 1981 2.5-5.0 2.5 0.93  
SC01 RT corn n/a 1981 5.0-7.5 2.5 0.70  
SC01 RT corn n/a 1981 7.5-10.0 2.5 0.70  
SC01 RT corn n/a 1981 10.0-12.5 2.5 0.64  
SC01 RT corn n/a 1981 12.5-15.0 2.5 0.60  
SC01 NT corn n/a 1981 0-2.5 2.5 1.10  
SC01 NT corn n/a 1981 2.5-5.0 2.5 0.98  
SC01 NT corn n/a 1981 5.0-7.5 2.5 0.76  
SC01 NT corn n/a 1981 7.5-10.0 2.5 0.76  
SC01 NT corn n/a 1981 10.0-12.5 2.5 0.70  
SC01 NT corn n/a 1981 12.5-15.0 2.5 0.60  
SC01 RT corn n/a 1982 0-2.5 2.5 0.98  
SC01 RT corn n/a 1982 2.5-5.0 2.5 0.81  
SC01 RT corn n/a 1982 5.0-7.5 2.5 0.76  
SC01 RT corn n/a 1982 7.5-10.0 2.5 0.70  
SC01 RT corn n/a 1982 10.0-12.5 2.5 0.52  
SC01 RT corn n/a 1982 12.5-15.0 2.5 0.47  
SC01 NT corn n/a 1982 0-2.5 2.5 1.05  
SC01 NT corn n/a 1982 2.5-5.0 2.5 0.81  
SC01 NT corn n/a 1982 5.0-7.5 2.5 0.76  
SC01 NT corn n/a 1982 7.5-10.0 2.5 0.70  
SC01 NT corn n/a 1982 10.0-12.5 2.5 0.64  
SC01 NT corn n/a 1982 12.5-15.0 2.5 0.52  
SC01 RT corn n/a 1986 0-2.5 2.5 1.34  
SC01 RT corn n/a 1986 2.5-5.0 2.5 1.28  
SC01 RT corn n/a 1986 5.0-7.5 2.5 1.22  
SC01 RT corn n/a 1986 7.5-10.0 2.5 1.22  
SC01 RT corn n/a 1986 10.0-12.5 2.5 1.10  
SC01 RT corn n/a 1986 12.5-15.0 2.5 0.98  
SC01 NT corn n/a 1986 0-2.5 2.5 2.20  
SC01 NT corn n/a 1986 2.5-5.0 2.5 1.74  
SC01 NT corn n/a 1986 5.0-7.5 2.5 1.45  
SC01 NT corn n/a 1986 7.5-10.0 2.5 1.28  
SC01 NT corn n/a 1986 10.0-12.5 2.5 1.22  
SC01 NT corn n/a 1986 12.5-15.0 2.5 1.16  
SC01 RT corn n/a 1988-93 0-5 5 0.72  
SC01 RT corn n/a 1988-93 5-10 5 0.56  
SC01 RT corn n/a 1988-93 10-15 5 0.45  
SC01 NT corn n/a 1988-93 0-5 5 1.20  
SC01 NT corn n/a 1988-93 5-10 5 0.63  
SC01 NT corn n/a 1988-93 10-15 5 0.48  
KA01 CT soybean n/a 1986 0-2.5 2.5 1.14  
KA01 CT soybean n/a 1986 2.5-7.5 5 1.13  
KA01 CT soybean n/a 1986 7.5-15 7.5 1.10  
KA01 CT soybean n/a 1986 15-30 15 0.96  
KA01 NT soybean n/a 1986 0-2.5 2.5 1.43  
KA01 NT soybean n/a 1986 2.5-7.5 5 1.13  
KA01 NT soybean n/a 1986 7.5-15 7.5 1.10  
KA01 NT soybean n/a 1986 15-30 15 1.00  
KA01 CT sorghum-soybean n/a 1986 0-2.5 2.5 1.25  
KA01 CT sorghum-soybean n/a 1986 2.5-7.5 5 1.23  
KA01 CT sorghum-soybean n/a 1986 7.5-15 7.5 1.16  
KA01 CT sorghum-soybean n/a 1986 15-30 15 1.04  
KA01 NT sorghum-soybean n/a 1986 0-2.5 2.5 1.86  
KA01 NT sorghum-soybean n/a 1986 2.5-7.5 5 1.30  
KA01 NT sorghum-soybean n/a 1986 7.5-15 7.5 1.19  
KA01 NT sorghum-soybean n/a 1986 15-30 15 1.03  
KA01 CT sorghum n/a 1986 0-2.5 2.5 1.41  
KA01 CT sorghum n/a 1986 2.5-7.5 5 1.36  
KA01 CT sorghum n/a 1986 7.5-15 7.5 1.26  
KA01 CT sorghum n/a 1986 15-30 15 1.10  
KA01 NT sorghum n/a 1986 0-2.5 2.5 1.98  
KA01 NT sorghum n/a 1986 2.5-7.5 5 1.25  
KA01 NT sorghum n/a 1986 7.5-15 7.5 1.16  
KA01 NT sorghum n/a 1986 15-30 15 1.06  
KA02 CT soybean n/a 1986 0-2.5 2.5 2.17  
KA02 CT soybean n/a 1986 2.5-7.5 5 2.09  
KA02 CT soybean n/a 1986 7.5-15 7.5 2.02  
KA02 CT soybean n/a 1986 15-30 15 1.80  
KA02 NT soybean n/a 1986 0-2.5 2.5 2.13  
KA02 NT soybean n/a 1986 2.5-7.5 5 1.98  
KA02 NT soybean n/a 1986 7.5-15 7.5 2.00  
KA02 NT soybean n/a 1986 15-30 15 1.70  
KA02 CT sorghum-soybean n/a 1986 0-2.5 2.5 2.19  
KA02 CT sorghum-soybean n/a 1986 2.5-7.5 5 1.94  
KA02 CT sorghum-soybean n/a 1986 7.5-15 7.5 1.83  
KA02 CT sorghum-soybean n/a 1986 15-30 15 1.53  
KA02 NT sorghum-soybean n/a 1986 0-2.5 2.5 2.28  
KA02 NT sorghum-soybean n/a 1986 2.5-7.5 5 1.98  
KA02 NT sorghum-soybean n/a 1986 7.5-15 7.5 1.87  
KA02 NT sorghum-soybean n/a 1986 15-30 15 1.57  
KA02 CT sorghum n/a 1986 0-2.5 2.5 2.35  
KA02 CT sorghum n/a 1986 2.5-7.5 5 2.15  
KA02 CT sorghum n/a 1986 7.5-15 7.5 2.07  
KA02 CT sorghum n/a 1986 15-30 15 1.78  
KA02 NT sorghum n/a 1986 0-2.5 2.5 2.67  
KA02 NT sorghum n/a 1986 2.5-7.5 5 2.26  
KA02 NT sorghum n/a 1986 7.5-15 7.5 2.08  
KA02 NT sorghum n/a 1986 15-30 15 1.81  
KA03 CT soybean 0 1986 0-2.5 2.5 0.74  
KA03 CT soybean 0 1986 2.5-7.5 5 0.77  
KA03 CT soybean 0 1986 7.5-15 7.5 0.73  
KA03 CT soybean 0 1986 15-30 15 0.68  
KA03 CT soybean 252 1986 0-2.5 2.5 0.78  
KA03 CT soybean 252 1986 2.5-7.5 5 0.78  
KA03 CT soybean 252 1986 7.5-15 7.5 0.68  
KA03 CT soybean 252 1986 15-30 15 0.62  
KA03 CT corn-soybean 0 1986 0-2.5 2.5 0.77  
KA03 CT corn-soybean 0 1986 2.5-7.5 5 0.87  
KA03 CT corn-soybean 0 1986 7.5-15 7.5 0.74  
KA03 CT corn-soybean 0 1986 15-30 15 0.67  
KA03 CT corn-soybean 252 1986 0-2.5 2.5 0.81  
KA03 CT corn-soybean 252 1986 2.5-7.5 5 0.84  
KA03 CT corn-soybean 252 1986 7.5-15 7.5 0.75  
KA03 CT corn-soybean 252 1986 15-30 15 0.69  
KA03 CT corn 0 1986 0-2.5 2.5 0.86  
KA03 CT corn 0 1986 2.5-7.5 5 0.92  
KA03 CT corn 0 1986 7.5-15 7.5 0.85  
KA03 CT corn 0 1986 15-30 15 0.70  
KA03 CT corn 252 1986 0-2.5 2.5 0.95  
KA03 CT corn 252 1986 2.5-7.5 5 0.97  
KA03 CT corn 252 1986 7.5-15 7.5 0.82  
KA03 CT corn 252 1986 15-30 15 0.71  
IL01 n/a hay n/a Tall Fescue hay 0-15 15 1.40  
IL01 NT corn-soybean n/a 1989 0-5 5 1.75  
IL01 NT corn-soybean n/a 1989 5-15 10 1.18  
IL01 NT corn-soybean n/a 1989 15-30 15 0.37  
IL01 RT corn-soybean n/a 1989 0-5 5 1.53  
IL01 RT corn-soybean n/a 1989 5-15 10 1.19  
IL01 RT corn-soybean n/a 1989 15-30 15 0.45  
IL01 CT corn-soybean n/a 1989 0-5 5 1.08  
IL01 CT corn-soybean n/a 1989 5-15 10 1.23  
IL01 CT corn-soybean n/a 1989 15-30 15 0.45  
IL01 NT corn-soybean n/a 1990 0-5 5 1.80  
IL01 NT corn-soybean n/a 1990 5-15 10 1.21  
IL01 NT corn-soybean n/a 1990 15-30 15 0.43  
IL01 RT corn-soybean n/a 1990 0-5 5 1.56  
IL01 RT corn-soybean n/a 1990 5-15 10 0.94  
IL01 RT corn-soybean n/a 1990 15-30 15 0.29  
IL01 CT corn-soybean n/a 1990 0-5 5 1.15  
IL01 CT corn-soybean n/a 1990 5-15 10 1.06  
IL01 CT corn-soybean n/a 1990 15-30 15 0.24  
IL01 NT corn-soybean n/a 1991 0-5 5 1.79  
IL01 NT corn-soybean n/a 1991 5-15 10 1.15  
IL01 NT corn-soybean n/a 1991 15-30 15 0.42  
IL01 RT corn-soybean n/a 1991 0-5 5 1.54  
IL01 RT corn-soybean n/a 1991 5-15 10 1.13  
IL01 RT corn-soybean n/a 1991 15-30 15 0.34  
IL01 CT corn-soybean n/a 1991 0-5 5 1.21  
IL01 CT corn-soybean n/a 1991 5-15 10 1.14  
IL01 CT corn-soybean n/a 1991 15-30 15 0.53  
IL01 NT corn-soybean n/a 1992 0-5 5 1.65  
IL01 NT corn-soybean n/a 1992 5-15 10 1.13  
IL01 NT corn-soybean n/a 1992 15-30 15 0.47  
IL01 RT corn-soybean n/a 1992 0-5 5 1.52  
IL01 RT corn-soybean n/a 1992 5-15 10 1.26  
IL01 RT corn-soybean n/a 1992 15-30 15 0.43  
IL01 CT corn-soybean n/a 1992 0-5 5 1.28  
IL01 CT corn-soybean n/a 1992 5-15 10 1.12  
IL01 CT corn-soybean n/a 1992 15-30 15 0.46  
IL01 NT corn-soybean n/a 1997 0-5 5 1.87  
IL01 NT corn-soybean n/a 1996 5-15 10 1.13  
IL01 NT corn-soybean n/a 1996 15-30 15    
IL01 RT corn-soybean n/a 1996 0-5 5 1.54  
IL01 RT corn-soybean n/a 1996 5-15 10 1.11  
IL01 RT corn-soybean n/a 1996 15-30 15    
IL01 CT corn-soybean n/a 1996 0-5 5 1.30  
IL01 CT corn-soybean n/a 1996 5-15 10 1.09  
IL01 CT corn-soybean n/a 1996 15-30 15    
IL02 CT corn 0 1904 0-15 15 2.11  
IL02 CT corn 0 1913 0-15 15 2.03  
IL02 CT corn 0 1923 0-15 15 1.80  
IL02 CT corn 0 1933 0-15 15 1.68  
IL02 CT corn 0 1943 0-15 15 1.56  
IL02 CT corn 0 1953 0-15 15 1.33  
IL02 CT corn 0 1961 0-15 15 1.49  
IL02 CT corn 0 1973 0-15 15 1.40  
IL02 CT corn 0 1983 0-15 15 1.38  
IL02 CT corn 0 1993 0-15 15 1.41  
IL02 CT corn Man./Lime/P 1904 0-15 15 2.15  
IL02 CT corn MLP 1913 0-15 15 2.63  
IL02 CT corn MLP 1923 0-15 15 2.48  
IL02 CT corn MLP 1933 0-15 15 2.43  
IL02 CT corn MLP 1943 0-15 15 2.30  
IL02 CT corn MLP 1953 0-15 15 2.06  
IL02 CT corn MLP 1961 0-15 15 2.20  
IL02 CT corn MLP 1973 0-15 15 2.01  
IL02 CT corn MLP 1983 0-15 15 1.88  
IL02 CT corn MLP 1993 0-15 15 1.91  
IL02 CT corn-oat-soybean 0 1904 0-15 15 2.39  
IL02 CT corn-oat-soybean 0 1913 0-15 15 2.13  
IL02 CT corn-oat-soybean 0 1923 0-15 15 2.08  
IL02 CT corn-oat-soybean 0 1933 0-15 15 2.01  
IL02 CT corn-oat-soybean 0 1943 0-15 15 2.02  
IL02 CT corn-oat-soybean 0 1953 0-15 15 1.86  
IL02 CT corn-oat-soybean 0 1961 0-15 15 1.85  
IL02 CT corn-oat-soybean 0 1973 0-15 15 1.81  
IL02 CT corn-oat-soybean 0 1983 0-15 15 1.70  
IL02 CT corn-oat-soybean 0 1993 0-15 15 1.78  
IL02 CT corn-oat-soybean MLP 1904 0-15 15 2.97  
IL02 CT corn-oat-soybean MLP 1913 0-15 15 2.98  
IL02 CT corn-oat-soybean MLP 1923 0-15 15 3.01  
IL02 CT corn-oat-soybean MLP 1933 0-15 15 3.06  
IL02 CT corn-oat-soybean MLP 1943 0-15 15 2.99  
IL02 CT corn-oat-soybean MLP 1953 0-15 15 2.83  
IL02 CT corn-oat-soybean MLP 1961 0-15 15 2.82  
IL02 CT corn-oat-soybean MLP 1973 0-15 15 2.61  
IL02 CT corn-oat-soybean MLP 1983 0-15 15 2.41  
IL02 CT corn-oat-soybean MLP 1993 0-15 15 2.18  
IL02 CT corn-oat-hay 0 1904 0-15 15 2.33  
IL02 CT corn-oat-hay 0 1913 0-15 15 2.14  
IL02 CT corn-oat-hay 0 1923 0-15 15 2.19  
IL02 CT corn-oat-hay 0 1933 0-15 15 2.06  
IL02 CT corn-oat-hay 0 1943 0-15 15 2.11  
IL02 CT corn-oat-hay 0 1953 0-15 15 1.93  
IL02 CT corn-oat-hay 0 1961 0-15 15 1.91  
IL02 CT corn-oat-hay 0 1973 0-15 15 1.85  
IL02 CT corn-oat-hay 0 1983 0-15 15 1.90  
IL02 CT corn-oat-hay 0 1993 0-15 15 2.05  
IL02 CT corn-oat-hay MLP 1904 0-15 15 3.29  
IL02 CT corn-oat-hay MLP 1913 0-15 15 3.29  
IL02 CT corn-oat-hay MLP 1923 0-15 15 3.13  
IL02 CT corn-oat-hay MLP 1933 0-15 15 3.35  
IL02 CT corn-oat-hay MLP 1943 0-15 15 3.36  
IL02 CT corn-oat-hay MLP 1953 0-15 15 3.07  
IL02 CT corn-oat-hay MLP 1961 0-15 15 3.05  
IL02 CT corn-oat-hay MLP 1973 0-15 15 3.01  
IL02 CT corn-oat-hay MLP 1983 0-15 15 3.02  
IL02 CT corn-oat-hay MLP 1993 0-15 15 2.90  
OH01 initial initial n/a 1962 0-22.5 22.5 1.40  
OH01 NT corn n/a 1971 0-5 5 2.16  
OH01 NT corn n/a 1971 5-10 5 1.55  
OH01 NT corn n/a 1971 10-15 5 1.38  
OH01 NT corn n/a 1971 15-20 5 1.21  
OH01 NT corn n/a 1971 20-25 5 0.61  
OH01 NT corn n/a 1971 25-30 5 0.42  
OH01 RT corn n/a 1971 0-5 5 1.36  
OH01 RT corn n/a 1971 5-10 5 1.37  
OH01 RT corn n/a 1971 10-15 5 1.35  
OH01 RT corn n/a 1971 15-20 5 1.22  
OH01 RT corn n/a 1971 20-25 5 0.66  
OH01 RT corn n/a 1971 25-30 5 0.42  
OH01 CT corn n/a 1971 0-5 5 1.28  
OH01 CT corn n/a 1971 5-10 5 1.48  
OH01 CT corn n/a 1971 10-15 5 1.51  
OH01 CT corn n/a 1971 15-20 5 1.28  
OH01 CT corn n/a 1971 20-25 5 0.68  
OH01 CT corn n/a 1971 25-30 5 0.41  
OH01 NT corn-soybean n/a 1971 0-5 5 1.84  
OH01 NT corn-soybean n/a 1971 5-10 5 1.55  
OH01 NT corn-soybean n/a 1971 10-15 5 1.42  
OH01 NT corn-soybean n/a 1971 15-20 5 1.01  
OH01 NT corn-soybean n/a 1971 20-25 5 0.50  
OH01 NT corn-soybean n/a 1971 25-30 5 0.44  
OH01 RT corn-soybean n/a 1971 0-5 5 1.25  
OH01 RT corn-soybean n/a 1971 5-10 5 1.25  
OH01 RT corn-soybean n/a 1971 10-15 5 1.24  
OH01 RT corn-soybean n/a 1971 15-20 5 1.13  
OH01 RT corn-soybean n/a 1971 20-25 5 0.71  
OH01 RT corn-soybean n/a 1971 25-30 5 0.40  
OH01 CT corn-soybean n/a 1971 0-5 5 1.25  
OH01 CT corn-soybean n/a 1971 5-10 5 1.28  
OH01 CT corn-soybean n/a 1971 10-15 5 1.28  
OH01 CT corn-soybean n/a 1971 15-20 5 0.99  
OH01 CT corn-soybean n/a 1971 20-25 5 0.58  
OH01 CT corn-soybean n/a 1971 25-30 5 0.36  
OH01 NT corn-oat-grass n/a 1971 0-5 5 2.30  
OH01 NT corn-oat-grass n/a 1971 5-10 5 1.68  
OH01 NT corn-oat-grass n/a 1971 10-15 5 1.44  
OH01 NT corn-oat-grass n/a 1971 15-20 5 1.26  
OH01 NT corn-oat-grass n/a 1971 20-25 5 0.63  
OH01 NT corn-oat-grass n/a 1971 25-30 5 0.04  
OH01 RT corn-oat-grass n/a 1971 0-5 5 1.69  
OH01 RT corn-oat-grass n/a 1971 5-10 5 1.67  
OH01 RT corn-oat-grass n/a 1971 10-15 5 1.60  
OH01 RT corn-oat-grass n/a 1971 15-20 5 1.42  
OH01 RT corn-oat-grass n/a 1971 20-25 5 0.70  
OH01 RT corn-oat-grass n/a 1971 25-30 5 0.42  
OH01 CT corn-oat-grass n/a 1971 0-5 5 1.66  
OH01 CT corn-oat-grass n/a 1971 5-10 5 1.66  
OH01 CT corn-oat-grass n/a 1971 10-15 5 1.60  
OH01 CT corn-oat-grass n/a 1971 15-20 5 1.35  
OH01 CT corn-oat-grass n/a 1971 20-25 5 0.70  
OH01 CT corn-oat-grass n/a 1971 25-30 5 0.44  
OH01 NT corn n/a 1980 0-7.5 7.5 1.80  
OH01 NT corn n/a 1980 7.5-15 7.5 1.13  
OH01 NT corn n/a 1980 15-22.5 7.5 0.84  
OH01 NT corn n/a 1980 22.5-30 7.5 0.42  
OH01 RT corn n/a 1980 0-7.5 7.5 1.04  
OH01 RT corn n/a 1980 7.5-15 7.5 1.04  
OH01 RT corn n/a 1980 15-22.5 7.5 0.84  
OH01 RT corn n/a 1980 22.5-30 7.5 0.45  
OH01 CT corn n/a 1980 0-7.5 7.5 1.15  
OH01 CT corn n/a 1980 7.5-15 7.5 1.16  
OH01 CT corn n/a 1980 15-22.5 7.5 1.00  
OH01 CT corn n/a 1980 22.5-30 7.5 0.38  
OH01 NT corn-soybean n/a 1980 0-7.5 7.5 1.53  
OH01 NT corn-soybean n/a 1980 7.5-15 7.5 1.08  
OH01 NT corn-soybean n/a 1980 15-22.5 7.5 0.76  
OH01 NT corn-soybean n/a 1980 22.5-30 7.5 0.30  
OH01 RT corn-soybean n/a 1980 0-7.5 7.5 0.95  
OH01 RT corn-soybean n/a 1980 7.5-15 7.5 0.92  
OH01 RT corn-soybean n/a 1980 15-22.5 7.5 0.82  
OH01 RT corn-soybean n/a 1980 22.5-30 7.5 0.32  
OH01 CT corn-soybean n/a 1980 0-7.5 7.5 0.90  
OH01 CT corn-soybean n/a 1980 7.5-15 7.5 0.92  
OH01 CT corn-soybean n/a 1980 15-22.5 7.5 0.68  
OH01 CT corn-soybean n/a 1980 22.5-30 7.5 0.33  
OH01 NT corn-oat-grass n/a 1980 0-7.5 7.5 2.01  
OH01 NT corn-oat-grass n/a 1980 7.5-15 7.5 1.10  
OH01 NT corn-oat-grass n/a 1980 15-22.5 7.5 0.87  
OH01 NT corn-oat-grass n/a 1980 22.5-30 7.5 0.37  
OH01 RT corn-oat-grass n/a 1980 0-7.5 7.5 1.31  
OH01 RT corn-oat-grass n/a 1980 7.5-15 7.5 1.34  
OH01 RT corn-oat-grass n/a 1980 15-22.5 7.5 1.02  
OH01 RT corn-oat-grass n/a 1980 22.5-30 7.5 0.39  
OH01 CT corn-oat-grass n/a 1980 0-7.5 7.5 1.32  
OH01 CT corn-oat-grass n/a 1980 7.5-15 7.5 1.37  
OH01 CT corn-oat-grass n/a 1980 15-22.5 7.5 0.93  
OH01 CT corn-oat-grass n/a 1980 22.5-30 7.5 0.39  
OH01 NT corn n/a 1991 0-15 15 2.75  
OH01 RT corn n/a 1991 0-15 15 1.34  
OH01 CT corn n/a 1991 0-15 15 0.96  
OH01 NT corn-soybean n/a 1991 0-15 15 1.50  
OH01 RT corn-soybean n/a 1991 0-15 15 2.16  
OH01 CT corn-soybean n/a 1991 0-15 15 1.14  
OH01 NT corn-oat-grass n/a 1991 0-15 15 1.19  
OH01 RT corn-oat-grass n/a 1991 0-15 15 0.66  
OH01 CT corn-oat-grass n/a 1991 0-15 15 1.33  
OH01 NT corn n/a 1993 0-20 20 1.55  
OH01 NT corn n/a 1993 20-25 5 0.61  
OH01 NT corn n/a 1993 25-50 25 0.40  
OH01 NT corn n/a 1993 50-100 50 0.18  
OH01 CT corn n/a 1993 0-20 20 1.10  
OH01 CT corn n/a 1993 20-25 5 1.01  
OH01 CT corn n/a 1993 25-50 25 0.35  
OH01 CT corn n/a 1993 50-100 50 0.22  
OH01 NT corn-soybean n/a 1993 0-20 20 1.62  
OH01 NT corn-soybean n/a 1993 20-25 5 0.78  
OH01 NT corn-soybean n/a 1993 25-50 25 0.45  
OH01 NT corn-soybean n/a 1993 50-100 50 0.28  
OH01 RT corn-soybean n/a 1993 0-20 20 1.29  
OH01 RT corn-soybean n/a 1993 20-25 5 0.67  
OH01 RT corn-soybean n/a 1993 25-50 25 0.36  
OH01 RT corn-soybean n/a 1993 50-100 50 0.25  
OH01 CT corn-soybean n/a 1993 0-20 20 1.12  
OH01 CT corn-soybean n/a 1993 20-25 5 0.91  
OH01 CT corn-soybean n/a 1993 25-50 25 0.40  
OH01 CT corn-soybean n/a 1993 50-100 50 0.25  
OH01 NT corn-oat-grass n/a 1993 0-20 20 1.60  
OH01 NT corn-oat-grass n/a 1993 20-25 5 0.54  
OH01 NT corn-oat-grass n/a 1993 25-50 25 0.25  
OH01 NT corn-oat-grass n/a 1993 50-100 50 0.59  
OH01 CT corn-oat-grass n/a 1993 0-20 20 1.06  
OH01 CT corn-oat-grass n/a 1993 20-25 5 0.71  
OH01 CT corn-oat-grass n/a 1993 25-50 25 0.23  
OH01 CT corn-oat-grass n/a 1993 50-100 50 0.10  
OH02 initial initial n/a 1963 0-22.5 22.5 2.30  
OH02 NT corn n/a 1980 0-7.5 7.5 2.96  
OH02 NT corn n/a 1980 7.5-15 7.5 2.17  
OH02 NT corn n/a 1980 15.-22.5 7.5 1.63  
OH02 NT corn n/a 1980 22.5-30 7.5 0.95  
OH02 RT corn n/a 1980 0-7.5 7.5 1.95  
OH02 RT corn n/a 1980 7.5-15 7.5 1.87  
OH02 RT corn n/a 1980 15.-22.5 7.5 1.86  
OH02 RT corn n/a 1980 22.5-30 7.5 1.64  
OH02 CT corn n/a 1980 0-7.5 7.5 2.10  
OH02 CT corn n/a 1980 7.5-15 7.5 2.09  
OH02 CT corn n/a 1980 15.-22.5 7.5 2.05  
OH02 CT corn n/a 1980 22.5-30 7.5 1.81  
OH02 NT corn-soybean n/a 1980 0-7.5 7.5 2.64  
OH02 NT corn-soybean n/a 1980 7.5-15 7.5 2.06  
OH02 NT corn-soybean n/a 1980 15.-22.5 7.5 1.73  
OH02 NT corn-soybean n/a 1980 22.5-30 7.5 0.95  
OH02 RT corn-soybean n/a 1980 0-7.5 7.5 1.90  
OH02 RT corn-soybean n/a 1980 7.5-15 7.5 1.85  
OH02 RT corn-soybean n/a 1980 15.-22.5 7.5 1.88  
OH02 RT corn-soybean n/a 1980 22.5-30 7.5 1.58  
OH02 CT corn-soybean n/a 1980 0-7.5 7.5 1.83  
OH02 CT corn-soybean n/a 1980 7.5-15 7.5 1.87  
OH02 CT corn-soybean n/a 1980 15.-22.5 7.5 1.81  
OH02 CT corn-soybean n/a 1980 22.5-30 7.5 1.37  
OH02 NT corn-oat-grass n/a 1980 0-7.5 7.5 3.27  
OH02 NT corn-oat-grass n/a 1980 7.5-15 7.5 2.27  
OH02 NT corn-oat-grass n/a 1980 15.-22.5 7.5 1.73  
OH02 NT corn-oat-grass n/a 1980 22.5-30 7.5 1.01  
OH02 RT corn-oat-grass n/a 1980 0-7.5 7.5 2.13  
OH02 RT corn-oat-grass n/a 1980 7.5-15 7.5 2.06  
OH02 RT corn-oat-grass n/a 1980 15.-22.5 7.5 2.00  
OH02 RT corn-oat-grass n/a 1980 22.5-30 7.5 1.43  
OH02 CT corn-oat-grass n/a 1980 0-7.5 7.5 2.13  
OH02 CT corn-oat-grass n/a 1980 7.5-15 7.5 2.06  
OH02 CT corn-oat-grass n/a 1980 15.-22.5 7.5 2.04  
OH02 CT corn-oat-grass n/a 1980 22.5-30 7.5 1.60  
OH02 NT corn n/a 1993 0-20 20 2.99  
OH02 NT corn n/a 1993 20-25 5 1.29  
OH02 NT corn n/a 1993 25-50 25 0.63  
OH02 NT corn n/a 1993 50-100 50 0.84  
OH02 CT corn n/a 1993 0-20 20 2.00  
OH02 CT corn n/a 1993 20-25 5 2.02  
OH02 CT corn n/a 1993 25-50 25 0.97  
OH02 CT corn n/a 1993 50-100 50 0.74  
OH02 NT corn-soybean n/a 1993 0-20 20 2.31  
OH02 NT corn-soybean n/a 1993 20-25 5 1.39  
OH02 NT corn-soybean n/a 1993 25-50 25 0.70  
OH02 NT corn-soybean n/a 1993 50-100 50 0.70  
OH02 CT corn-soybean n/a 1993 0-20 20 1.78  
OH02 CT corn-soybean n/a 1993 20-25 5 1.68  
OH02 CT corn-soybean n/a 1993 25-50 25 0.85  
OH02 CT corn-soybean n/a 1993 50-100 50 1.06  
OH02 NT corn-oat-grass n/a 1993 0-20 20 2.91  
OH02 NT corn-oat-grass n/a 1993 20-25 5 1.53  
OH02 NT corn-oat-grass n/a 1993 25-50 25 0.72  
OH02 NT corn-oat-grass n/a 1993 50-100 50 0.60  
OH02 CT corn-oat-grass n/a 1993 0-20 20 2.08  
OH02 CT corn-oat-grass n/a 1993 20-25 5 2.07  
OH02 CT corn-oat-grass n/a 1993 25-50 25 0.98  
OH02 CT corn-oat-grass n/a 1993 50-100 50 1.02  
OH03 NT corn n/a 1993 0-20 20 1.35  
OH03 NT corn n/a 1993 20-25 5 1.22  
OH03 NT corn n/a 1993 25-50 25 2.82  
OH03 NT corn n/a 1993 50-100 50 5.68  
OH03 RT corn n/a 1993 0-20 20 1.09  
OH03 RT corn n/a 1993 20-25 5 0.90  
OH03 RT corn n/a 1993 25-50 25 1.01  
OH03 RT corn n/a 1993 50-100 50 3.92  
OH03 CT corn n/a 1993 0-20 20 1.02  
OH03 CT corn n/a 1993 20-25 5 0.99  
OH03 CT corn n/a 1993 25-50 25 1.50  
OH03 CT corn n/a 1993 50-100 50 4.39  
OR01 CT wheat-fallow 0 1931 0-30 30 1.32  
OR01 CT wheat-fallow 0 1931 30-60 30 1.29  
OR01 CT wheat-fallow 0 1941 0-30 30 1.18  
OR01 CT wheat-fallow 0 1941 30-60 30 1.15  
OR01 CT wheat-fallow 0 1951 0-30 30 1.11  
OR01 CT wheat-fallow 0 1951 30-60 30 1.04  
OR01 CT wheat-fallow 0 1964 0-30 30 0.96  
OR01 CT wheat-fallow 0 1964 30-60 30 0.94  
OR01 CT wheat-fallow 0 1976 0-30 30 0.88  
OR01 CT wheat-fallow 0 1976 30-60 30 0.80  
OR01 CT wheat-fallow 0 1986 0-30 30 0.80  
OR01 CT wheat-fallow 0 1986 30-60 30 0.66  
OR01 CT wheat-fallow 45 1931 0-30 30 1.39  
OR01 CT wheat-fallow 45 1931 30-60 30 1.34  
OR01 CT wheat-fallow 45 1941 0-30 30 1.28  
OR01 CT wheat-fallow 45 1941 30-60 30 1.25  
OR01 CT wheat-fallow 45 1951 0-30 30 1.23  
OR01 CT wheat-fallow 45 1951 30-60 30 1.15  
OR01 CT wheat-fallow 45 1964 0-30 30 1.00  
OR01 CT wheat-fallow 45 1964 30-60 30 0.95  
OR01 CT wheat-fallow 45 1976 0-30 30 0.91  
OR01 CT wheat-fallow 45 1976 30-60 30 0.85  
OR01 CT wheat-fallow 45 1986 0-30 30 0.90  
OR01 CT wheat-fallow 45 1986 30-60 30 0.73  
OR01 CT wheat-fallow 90 1931 0-30 30 1.32  
OR01 CT wheat-fallow 90 1931 30-60 30 1.32  
OR01 CT wheat-fallow 90 1941 0-30 30 1.25  
OR01 CT wheat-fallow 90 1941 30-60 30 1.19  
OR01 CT wheat-fallow 90 1951 0-30 30 1.18  
OR01 CT wheat-fallow 90 1951 30-60 30 1.14  
OR01 CT wheat-fallow 90 1964 0-30 30 0.96  
OR01 CT wheat-fallow 90 1964 30-60 30 0.89  
OR01 CT wheat-fallow 90 1976 0-30 30 0.87  
OR01 CT wheat-fallow 90 1976 30-60 30 0.83  
OR01 CT wheat-fallow 90 1986 0-30 30 0.85  
OR01 CT wheat-fallow 90 1986 30-60 30 0.71  
OR01 CT wheat-fallow 111-manure eq. 1931 0-30 30 1.35  
OR01 CT wheat-fallow 111 1931 30-60 30 1.41  
OR01 CT wheat-fallow 111 1941 0-30 30 1.47  
OR01 CT wheat-fallow 111 1941 30-60 30 1.37  
OR01 CT wheat-fallow 111 1951 0-30 30 1.41  
OR01 CT wheat-fallow 111 1951 30-60 30 2.23  
OR01 CT wheat-fallow 111 1964 0-30 30 0.94  
OR01 CT wheat-fallow 111 1964 30-60 30 0.90  
OR01 CT wheat-fallow 111 1976 0-30 30 0.87  
OR01 CT wheat-fallow 111 1976 30-60 30 0.83  
OR01 CT wheat-fallow 111 1986 0-30 30 0.83  
OR01 CT wheat-fallow 111 1986 30-60 30 0.67  
OR01b CT wheat-fallow 0 1984 0-7 7 1.24  
OR01b CT wheat-fallow 0 1984 7-15 8 1.25  
OR01b CT wheat-fallow 0 1984 15-22 7 1.18  
OR01b CT wheat-fallow 0 1984 22-30 8 0.93  
OR01b CT wheat-fallow 90 1984 0-7 7 1.17  
OR01b CT wheat-fallow 90 1984 7-15 8 1.19  
OR01b CT wheat-fallow 90 1984 15-22 7 1.10  
OR01b CT wheat-fallow 90 1984 22-30 8 0.85  
OR01b CT wheat-fallow 135 1984 0-7 7 1.23  
OR01b CT wheat-fallow 135 1984 7-15 8 1.23  
OR01b CT wheat-fallow 135 1984 15-22 7 1.14  
OR01b CT wheat-fallow 135 1984 22-30 8 0.86  
OR01b CT wheat-fallow 180 1984 0-7 7 1.30  
OR01b CT wheat-fallow 180 1984 7-15 8 1.29  
OR01b CT wheat-fallow 180 1984 15-22 7 1.16  
OR01b CT wheat-fallow 180 1984 22-30 8 0.88  
OR01b RT wheat-fallow 0 1984 0-7 7 1.56  
OR01b RT wheat-fallow 0 1984 7-15 8 1.28  
OR01b RT wheat-fallow 0 1984 15-22 7 1.17  
OR01b RT wheat-fallow 0 1984 22-30 8 1.00  
OR01b RT wheat-fallow 90 1984 0-7 7 1.55  
OR01b RT wheat-fallow 90 1984 7-15 8 1.24  
OR01b RT wheat-fallow 90 1984 15-22 7 1.09  
OR01b RT wheat-fallow 90 1984 22-30 8 0.95  
OR01b RT wheat-fallow 135 1984 0-7 7 1.77  
OR01b RT wheat-fallow 135 1984 7-15 8 1.27  
OR01b RT wheat-fallow 135 1984 15-22 7 1.14  
OR01b RT wheat-fallow 135 1984 22-30 8 0.96  
OR01b RT wheat-fallow 180 1984 0-7 7 1.79  
OR01b RT wheat-fallow 180 1984 7-15 8 1.34  
OR01b RT wheat-fallow 180 1984 15-22 7 1.16  
OR01b RT wheat-fallow 180 1984 22-30 8 0.99  
MI01 CT corn 179-fert. 1972 0-25 25 0.91  
MI01 CT corn 179-fert. 1976 0-25 25 0.92  
MI01 CT corn 179-fert. 1982 0-25 25 0.79  
MI01 CT corn 179-fert. 1991 0-25 25 0.75  
MI01 CT corn 105-manure 1972 0-25 25 1.24  
MI01 CT corn 105-m 1976 0-25 25 1.15  
MI01 CT corn 105-m 1982 0-25 25 1.07  
MI01 CT corn 105-m 1991 0-25 25 0.98  
MI01 CT corn 215-m 1972 0-25 25 1.27  
MI01 CT corn 215-m 1976 0-25 25 1.30  
MI01 CT corn 215-m 1982 0-25 25 1.40  
MI01 CT corn 215-m 1991 0-25 25 1.08  
MI01 CT corn 320-m 1972 0-25 25 1.49  
MI01 CT corn 320-m 1976 0-25 25 1.56  
MI01 CT corn 320-m 1982 0-25 25 1.50  
MI01 CT corn 320-m 1991 0-25 25 1.23  
MI02 n/a oat-bean-soybean n/a 1972 0-25 25 1.63  
MI02 n/a oat-bean-soybean n/a 1981 0-25 25 1.42  
MI02 n/a oat-bean-soybean n/a 1991 0-25 25 1.42  
MI02 n/a corn-corn-corn-soybean n/a 1972 0-25 25 1.63  
MI02 n/a corn-corn-corn-soybean n/a 1981 0-25 25 1.57  
MI02 n/a corn-corn-corn-soybean n/a 1991 0-25 25 1.61  
MI02 n/a corn-corn-bean-soybean n/a 1972 0-25 25 1.58  
MI02 n/a corn-corn-bean-soybean n/a 1981 0-25 25 1.53  
MI02 n/a corn-corn-bean-soybean n/a 1991 0-25 25 1.53  
MI02 n/a corn-alfalfa-bean-soybean n/a 1972 0-25 25 1.65  
MI02 n/a corn-alfalfa-bean-soybean n/a 1981 0-25 25 1.47  
MI02 n/a corn-alfalfa-bean-soybean n/a 1991 0-25 25 1.44  
TX02 RT Sorghum n/a 1994 0-20 20   2780
TX02 RT Wheat n/a 1994 0-20 20   2700
TX02 RT wheat-sorghum-(fallow) n/a 1994 0-20 20   2700
TX02 RT wheat-(sorghum)-fallow n/a 1994 0-20 20   2680
TX02 RT (wheat)-sorghum-fallow n/a 1994 0-20 20   2660
TX02 RT wheat-(fallow) n/a 1994 0-20 20   2660
TX02 RT (wheat)-fallow n/a 1994 0-20 20   2540
TX02 NT Sorghum n/a 1994 0-20 20   3060
TX02 NT Wheat n/a 1994 0-20 20   3260
TX02 NT wheat-sorghum-(fallow) n/a 1994 0-20 20   3060
TX02 NT wheat-(sorghum)-fallow n/a 1994 0-20 20   2900
TX02 NT (wheat)-sorghum-fallow n/a 1994 0-20 20   2980
TX02 NT wheat-(fallow) n/a 1994 0-20 20   2860
TX02 NT (wheat)-fallow n/a 1994 0-20 20   2820
Alb02a n/a wheat n/a 1910 0-15 15 1.76  
Alb02a n/a wheat n/a 1922 0-15 15 1.64  
Alb02a n/a wheat n/a 1940 0-15 15 1.61  
Alb02a n/a wheat n/a 1953 0-15 15 1.64  
Alb02a n/a wheat n/a 1967 0-15 15 1.47  
Alb02a n/a wheat n/a 1980 0-15 15 1.46  
Alb02a n/a wheat n/a 1990 0-15 15 1.46  
Alb02a n/a wheat-fallow n/a 1910 0-15 15 1.76  
Alb02a n/a wheat-fallow n/a 1922 0-15 15 1.36  
Alb02a n/a wheat-fallow n/a 1940 0-15 15 1.32  
Alb02a n/a wheat-fallow n/a 1953 0-15 15 1.41  
Alb02a n/a wheat-fallow n/a 1967 0-15 15 1.36  
Alb02a n/a wheat-fallow n/a 1980 0-15 15 1.36  
Alb02a n/a wheat-fallow n/a 1990 0-15 15 1.35  
Alb02a n/a wheat-wheat-fallow n/a 1910 0-15 15 1.76  
Alb02a n/a wheat-wheat-fallow n/a 1922 0-15 15 1.34  
Alb02a n/a wheat-wheat-fallow n/a 1940 0-15 15 1.32  
Alb02a n/a wheat-wheat-fallow n/a 1953 0-15 15 1.31  
Alb02a n/a wheat-wheat-fallow n/a 1967 0-15 15 1.35  
Alb02a n/a wheat-wheat-fallow n/a 1980 0-15 15 1.46  
Alb02a n/a wheat-wheat-fallow n/a 1990 0-15 15 1.39  
Alb02b n/a wheat 0 1954 0-15 15 1.83  
Alb02b n/a wheat 0 1954 15-30 15 1.47  
Alb02b n/a wheat 0 1967 0-15 15 1.82  
Alb02b n/a wheat 0 1967 15-30 15 1.32  
Alb02b n/a wheat 0 1974 0-15 15 1.70  
Alb02b n/a wheat 0 1974 15-30 15 1.25  
Alb02b n/a wheat 0 1985 0-15 15 1.70  
Alb02b n/a wheat 0 1985 15-30 15 1.27  
Alb02b n/a wheat 0 1992 0-15 15 1.74  
Alb02b n/a wheat 0 1992 15-30 15 1.36  
Alb02b n/a wheat-fallow 0 1954 0-15 15 1.76  
Alb02b n/a wheat-fallow 0 1954 15-30 15 1.42  
Alb02b n/a wheat-fallow 0 1967 0-15 15 1.60  
Alb02b n/a wheat-fallow 0 1967 15-30 15 1.30  
Alb02b n/a wheat-fallow 0 1974 0-15 15 1.51  
Alb02b n/a wheat-fallow 0 1974 15-30 15 1.17  
Alb02b n/a wheat-fallow 0 1985 0-15 15 1.45  
Alb02b n/a wheat-fallow 0 1985 15-30 15 1.14  
Alb02b n/a wheat-fallow 0 1992 0-15 15 1.50  
Alb02b n/a wheat-fallow 0 1992 15-30 15 1.38  
Alb02b n/a wheat-wheat-fallow 0 1954 0-15 15 1.78  
Alb02b n/a wheat-wheat-fallow 0 1954 15-30 15 1.39  
Alb02b n/a wheat-wheat-fallow 0 1967 0-15 15 1.65  
Alb02b n/a wheat-wheat-fallow 0 1967 15-30 15 1.28  
Alb02b n/a wheat-wheat-fallow 0 1974 0-15 15 1.55  
Alb02b n/a wheat-wheat-fallow 0 1974 15-30 15 1.22  
Alb02b n/a wheat-wheat-fallow 0 1985 0-15 15 1.48  
Alb02b n/a wheat-wheat-fallow 0 1985 15-30 15 1.15  
Alb02b n/a wheat-wheat-fallow 0 1992 0-15 15 1.57  
Alb02b n/a wheat-wheat-fallow 0 1992 15-30 15 1.32  
Alb02b n/a wheat-wheat-fallow fallow with manure 1954 0-15 15 1.79  
Alb02b n/a wheat-wheat-fallow fallow with manure 1954 15-30 15 1.44  
Alb02b n/a wheat-wheat-fallow fallow with manure 1967 0-15 15 1.74  
Alb02b n/a wheat-wheat-fallow fallow with manure 1967 15-30 15 1.33  
Alb02b n/a wheat-wheat-fallow fallow with manure 1974 0-15 15 1.72  
Alb02b n/a wheat-wheat-fallow fallow with manure 1974 15-30 15 1.21  
Alb02b n/a wheat-wheat-fallow fallow with manure 1985 0-15 15 1.64  
Alb02b n/a wheat-wheat-fallow fallow with manure 1985 15-30 15 1.19  
Alb02b n/a wheat-wheat-fallow fallow with manure 1992 0-15 15 1.87  
Alb02b n/a wheat-wheat-fallow fallow with manure 1992 15-30 15 1.33  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1954 0-15 15 1.81  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1954 15-30 15 1.45  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1967 0-15 15 1.77  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1967 15-30 15 1.42  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1974 0-15 15 1.71  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1974 15-30 15 1.33  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1985 0-15 15 1.72  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1985 15-30 15 1.36  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1992 0-15 15 1.77  
Alb02b n/a wheat-wheat-hay-hay-hay-fallow 0 1992 15-30 15 1.51  
Den01     unfertilized 1985 0-20 20 1.07  
Den01     unfertilized 1985 30-35 5 0.44  
Den01     manure 1985 0-20 20 1.32  
Den01     manure 1985 30-35 5 0.61  
Den01     NPK 1985 0-20 20 1.19  
Den01     NPK 1985 30-35 5 0.45  
Sas01 CT fallow-wheat 0 1987 0-15 15 1.80  
Sas01 CT fallow-wheat N+P 1987 0-15 15 1.88  
Sas01 CT fallow-wheat-wheat 0 1987 0-15 15 1.80  
Sas01 CT fallow-wheat-wheat N+P 1987 0-15 15 1.84  
Sas01 CT wheat 0 1987 0-15 15 1.79  
Sas01 CT wheat N+P 1987 0-15 15 2.10  
Sas01 CT fallow-wheat 0 1997 0-7.5 7.5 2.10  
Sas01 CT fallow-wheat 0 1997 7.5-15 7.5 2.13  
Sas01 CT fallow-wheat N+P 1997 0-7.5 7.5 2.22  
Sas01 CT fallow-wheat N+P 1997 7.5-15 7.5 2.25  
Sas01 CT fallow-wheat-wheat 0 1997 0-7.5 7.5 1.96  
Sas01 CT fallow-wheat-wheat 0 1997 7.5-15 7.5 1.82  
Sas01 CT fallow-wheat-wheat N+P 1997 0-7.5 7.5 2.45  
Sas01 CT fallow-wheat-wheat N+P 1997 7.5-15 7.5 2.24  
Sas01 CT wheat 0 1997 0-7.5 7.5 2.18  
Sas01 CT wheat 0 1997 7.5-15 7.5 1.96  
Sas01 CT wheat N+P 1997 0-7.5 7.5 2.77  
Sas01 CT wheat N+P 1997 7.5-15 7.5 2.11  
Sas02 CT fallow-wheat-wheat 0 1987 0-15 15 5.15 6140
Sas02 CT fallow-wheat-wheat N+P 1987 0-15 15 5.13 6120
Sas02 CT wheat 0 1987 0-15 15 5.48 6530
Sas02 CT wheat N+P 1987 0-15 15 5.48 6540
Sas02 CT fallow-wheat-wheat-hay-hay-wheat 0 1987 0-15 15 5.34 6527
Sas02 CT fallow-wheat-wheat-hay-hay-wheat N+P 1987 0-15 15 5.14 6357
Sas03 RT fallow-wheat-wheat P 1976 0-15 15 1.75  
Sas03 RT fallow-wheat-wheat P 1981 0-15 15 1.75  
Sas03 RT fallow-wheat-wheat P 1984 0-15 15 1.53  
Sas03 RT fallow-wheat-wheat P 1990 0-15 15 1.48  
Sas03 RT fallow-wheat-wheat N+P 1976 0-15 15 1.76  
Sas03 RT fallow-wheat-wheat N+P 1981 0-15 15 1.61  
Sas03 RT fallow-wheat-wheat N+P 1984 0-15 15 1.74  
Sas03 RT fallow-wheat-wheat N+P 1990 0-15 15 1.67  
Sas03 RT fallow-wheat-wheat N+P 1999 0-15 15    
Sas03 RT wheat P 1976 0-15 15 1.70  
Sas03 RT wheat P 1981 0-15 15 1.71  
Sas03 RT wheat P 1984 0-15 15 1.80  
Sas03 RT wheat P 1990 0-15 15 1.54  
Sas03 RT wheat N+P 1976 0-15 15 2.04  
Sas03 RT wheat N+P 1981 0-15 15 2.07  
Sas03 RT wheat N+P 1984 0-15 15 1.70  
Sas03 RT wheat N+P 1990 0-15 15 1.60  
Sas03b CT wheat   1986 0-7.5 7.5 1.65  
Sas03b CT wheat   1986 7.5-15 7.5 1.57  
Sas03b CT wheat   1990 0-7.5 7.5 1.69  
Sas03b CT wheat   1990 7.5-15 7.5 1.58  
Sas03b CT wheat   1994 0-7.5 7.5 1.70  
Sas03b CT wheat   1994 7.5-15 7.5 1.51  
Sas03b NT wheat   1986 0-7.5 7.5 1.75  
Sas03b NT wheat   1986 7.5-15 7.5 1.57  
Sas03b NT wheat   1990 0-7.5 7.5 1.88  
Sas03b NT wheat   1990 7.5-15 7.5 1.58  
Sas03b NT wheat   1994 0-7.5 7.5 1.86  
Sas03b NT wheat   1994 7.5-15 7.5 1.51  
Sas03b CT fallow-wheat wheat 1986 0-7.5 7.5 1.48  
Sas03b CT fallow-wheat wheat 1986 7.5-15 7.5 1.57  
Sas03b CT fallow-wheat wheat 1990 0-7.5 7.5 1.60  
Sas03b CT fallow-wheat wheat 1990 7.5-15 7.5 1.58  
Sas03b CT fallow-wheat wheat 1994 0-7.5 7.5 1.52  
Sas03b CT fallow-wheat wheat 1994 7.5-15 7.5 1.51  
Sas03b NT fallow-wheat wheat 1986 0-7.5 7.5 1.63  
Sas03b NT fallow-wheat wheat 1986 7.5-15 7.5 1.57  
Sas03b NT fallow-wheat wheat 1990 0-7.5 7.5 1.62  
Sas03b NT fallow-wheat wheat 1990 7.5-15 7.5 1.58  
Sas03b NT fallow-wheat wheat 1994 0-7.5 7.5 1.60  
Sas03b NT fallow-wheat wheat 1994 7.5-15 7.5 1.51  
Sas04 CT wheat wheat 1983 0-7.5 7.5    
Sas04 CT wheat wheat 1983 7.5-15 7.5    
Sas04 CT wheat wheat 1986 0-7.5 7.5 0.84  
Sas04 CT wheat wheat 1986 7.5-15 7.5 0.86  
Sas04 CT wheat wheat 1990 0-7.5 7.5 0.84  
Sas04 CT wheat wheat 1990 7.5-15 7.5 0.81  
Sas04 CT wheat wheat 1994 0-7.5 7.5 0.93  
Sas04 CT wheat wheat 1994 7.5-15 7.5 0.85  
Sas04 NT wheat wheat 1983 0-7.5 7.5    
Sas04 NT wheat wheat 1983 7.5-15 7.5    
Sas04 NT wheat wheat 1986 0-7.5 7.5 0.84  
Sas04 NT wheat wheat 1986 7.5-15 7.5 0.91  
Sas04 NT wheat wheat 1990 0-7.5 7.5 0.82  
Sas04 NT wheat wheat 1990 7.5-15 7.5 0.88  
Sas04 NT wheat wheat 1994 0-7.5 7.5 1.07  
Sas04 NT wheat wheat 1994 7.5-15 7.5 0.85  
Sas04 RT fallow-wheat wheat 1983 0-7.5 7.5    
Sas04 RT fallow-wheat wheat 1983 7.5-15 7.5    
Sas04 RT fallow-wheat wheat 1986 0-7.5 7.5 0.97  
Sas04 RT fallow-wheat wheat 1986 7.5-15 7.5 0.94  
Sas04 RT fallow-wheat wheat 1990 0-7.5 7.5 0.93  
Sas04 RT fallow-wheat wheat 1990 7.5-15 7.5 0.88  
Sas04 RT fallow-wheat wheat 1994 0-7.5 7.5 0.91  
Sas04 RT fallow-wheat wheat 1994 7.5-15 7.5 0.95  
Sas04 NT fallow-wheat wheat 1983 0-7.5 7.5    
Sas04 NT fallow-wheat wheat 1983 7.5-15 7.5    
Sas04 NT fallow-wheat wheat 1986 0-7.5 7.5 0.95  
Sas04 NT fallow-wheat wheat 1986 7.5-15 7.5 0.91  
Sas04 NT fallow-wheat wheat 1990 0-7.5 7.5 0.90  
Sas04 NT fallow-wheat wheat 1990 7.5-15 7.5 0.82  
Sas04 NT fallow-wheat wheat 1994 0-7.5 7.5 1.03  
Sas04 NT fallow-wheat wheat 1994 7.5-15 7.5 0.88  
Sas05 CT wheat   1983 0-7.5 7.5    
Sas05 CT wheat   1983 7.5-15 7.5    
Sas05 CT wheat   1986 0-7.5 7.5 1.50  
Sas05 CT wheat   1986 7.5-15 7.5 1.50  
Sas05 CT wheat   1990 0-7.5 7.5 1.57  
Sas05 CT wheat   1990 7.5-15 7.5 1.30  
Sas05 CT wheat   1994 0-7.5 7.5 1.60  
Sas05 CT wheat   1994 7.5-15 7.5 1.34  
Sas05 NT wheat   1983 0-7.5 7.5    
Sas05 NT wheat   1983 7.5-15 7.5    
Sas05 NT wheat   1986 0-7.5 7.5 1.94  
Sas05 NT wheat   1986 7.5-15 7.5 1.60  
Sas05 NT wheat   1990 0-7.5 7.5 1.80  
Sas05 NT wheat   1990 7.5-15 7.5 1.44  
Sas05 NT wheat   1994 0-7.5 7.5 1.83  
Sas05 NT wheat   1994 7.5-15 7.5 1.34  
Sas05 RT fallow-wheat avgerage 1983 0-7.5 7.5    
Sas05 RT fallow-wheat avgerage 1983 7.5-15 7.5    
Sas05 RT fallow-wheat avgerage 1986 0-7.5 7.5 1.57  
Sas05 RT fallow-wheat avgerage 1986 7.5-15 7.5 1.53  
Sas05 RT fallow-wheat avgerage 1990 0-7.5 7.5 1.51  
Sas05 RT fallow-wheat avgerage 1990 7.5-15 7.5 1.38  
Sas05 RT fallow-wheat avgerage 1994 0-7.5 7.5 1.48  
Sas05 RT fallow-wheat avgerage 1994 7.5-15 7.5 1.32  
Sas05 NT fallow-wheat avgerage 1983 0-7.5 7.5    
Sas05 NT fallow-wheat avgerage 1983 7.5-15 7.5    
Sas05 NT fallow-wheat avgerage 1986 0-7.5 7.5 1.78  
Sas05 NT fallow-wheat avgerage 1986 7.5-15 7.5 1.72  
Sas05 NT fallow-wheat avgerage 1990 0-7.5 7.5 1.83  
Sas05 NT fallow-wheat avgerage 1990 7.5-15 7.5 1.67  
Sas05 NT fallow-wheat avgerage 1994 0-7.5 7.5 1.76  
Sas05 NT fallow-wheat avgerage 1994 7.5-15 7.5 1.53  
ND01 n/a initial n/a 1983 0-7.6 7.6 2.14  
ND01 n/a initial n/a 1983 7.6-15.2 7.6 2.05  
ND01 n/a initial n/a 1983 15.2-30.4 15.2 1.41  
ND01 n/a initial n/a 1983 30.4-45.7 15.3 0.93  
ND01 n/a init n/a 1983 45.7-60.9 15.2 0.69  
ND01 CT wheat-fallow 0 1991 0-7.6 7.6 1.92  
ND01 CT wheat-fallow 0 1991 7.6-15.2 7.6 1.91  
ND01 CT wheat-fallow 0 1991 15.2-30.4 15.2 1.37  
ND01 CT wheat-fallow 0 1991 30.4-60.9 15.3 0.92  
ND01 CT wheat-fallow 0 1991 60.9-91.2 15.2 0.43  
ND01 CT wheat-fallow 20 1991 0-7.6 7.6 2.00  
ND01 CT wheat-fallow 20 1991 7.6-15.2 7.6 1.85  
ND01 CT wheat-fallow 20 1991 15.2-30.4 15.2 1.41  
ND01 CT wheat-fallow 20 1991 30.4-60.9 15.3 0.86  
ND01 CT wheat-fallow 20 1991 60.9-91.2 15.2 0.47  
ND01 CT wheat-fallow 40 1991 0-7.6 7.6 1.99  
ND01 CT wheat-fallow 40 1991 7.6-15.2 7.6 2.04  
ND01 CT wheat-fallow 40 1991 15.2-30.4 15.2 1.56  
ND01 CT wheat-fallow 40 1991 30.4-60.9 15.3 0.92  
ND01 CT wheat-fallow 40 1991 60.9-91.2 15.2 0.64  
ND01 RT wheat-fallow 0 1991 0-7.6 7.6 1.78  
ND01 RT wheat-fallow 0 1991 7.6-15.2 7.6 1.74  
ND01 RT wheat-fallow 0 1991 15.2-30.4 15.2 1.28  
ND01 RT wheat-fallow 0 1991 30.4-60.9 15.3 0.86  
ND01 RT wheat-fallow 0 1991 60.9-91.2 15.2 0.41  
ND01 RT wheat-fallow 20 1991 0-7.6 7.6 1.79  
ND01 RT wheat-fallow 20 1991 7.6-15.2 7.6 1.76  
ND01 RT wheat-fallow 20 1991 15.2-30.4 15.2 1.45  
ND01 RT wheat-fallow 20 1991 30.4-60.9 15.3 0.80  
ND01 RT wheat-fallow 20 1991 60.9-91.2 15.2 0.47  
ND01 RT wheat-fallow 40 1991 0-7.6 7.6 1.93  
ND01 RT wheat-fallow 40 1991 7.6-15.2 7.6 1.90  
ND01 RT wheat-fallow 40 1991 15.2-30.4 15.2 1.32  
ND01 RT wheat-fallow 40 1991 30.4-60.9 15.3 0.88  
ND01 RT wheat-fallow 40 1991 60.9-91.2 15.2 0.45  
ND01 NT wheat-fallow 0 1991 0-7.6 7.6 1.83  
ND01 NT wheat-fallow 0 1991 7.6-15.2 7.6 1.73  
ND01 NT wheat-fallow 0 1991 15.2-30.4 15.2 1.33  
ND01 NT wheat-fallow 0 1991 30.4-60.9 15.3 0.86  
ND01 NT wheat-fallow 0 1991 60.9-91.2 15.2 0.44  
ND01 NT wheat-fallow 20 1991 0-7.6 7.6 1.77  
ND01 NT wheat-fallow 20 1991 7.6-15.2 7.6 1.72  
ND01 NT wheat-fallow 20 1991 15.2-30.4 15.2 1.18  
ND01 NT wheat-fallow 20 1991 30.4-60.9 15.3 0.85  
ND01 NT wheat-fallow 20 1991 60.9-91.2 15.2 0.40  
ND01 NT wheat-fallow 40 1991 0-7.6 7.6 1.78  
ND01 NT wheat-fallow 40 1991 7.6-15.2 7.6 1.66  
ND01 NT wheat-fallow 40 1991 15.2-30.4 15.2 1.25  
ND01 NT wheat-fallow 40 1991 30.4-60.9 15.3 0.71  
ND01 NT wheat-fallow 40 1991 60.9-91.2 15.2 0.38  
ND01 CT wheat-wheat-sunflower 34 1991 0-7.6 7.6 2.12  
ND01 CT wheat-wheat-sunflower 34 1991 7.6-15.2 7.6 1.97  
ND01 CT wheat-wheat-sunflower 34 1991 15.2-30.4 15.2 1.50  
ND01 CT wheat-wheat-sunflower 34 1991 30.4-60.9 15.3 0.83  
ND01 CT wheat-wheat-sunflower 34 1991 60.9-91.2 15.2 0.54  
ND01 CT wheat-wheat-sunflower 67 1991 0-7.6 7.6 2.03  
ND01 CT wheat-wheat-sunflower 67 1991 7.6-15.2 7.6 1.81  
ND01 CT wheat-wheat-sunflower 67 1991 15.2-30.4 15.2 1.31  
ND01 CT wheat-wheat-sunflower 67 1991 30.4-60.9 15.3 0.63  
ND01 CT wheat-wheat-sunflower 67 1991 60.9-91.2 15.2 0.38  
ND01 CT wheat-wheat-sunflower 101 1991 0-7.6 7.6 2.13  
ND01 CT wheat-wheat-sunflower 101 1991 7.6-15.2 7.6 1.89  
ND01 CT wheat-wheat-sunflower 101 1991 15.2-30.4 15.2 1.38  
ND01 CT wheat-wheat-sunflower 101 1991 30.4-60.9 15.3 0.76  
ND01 CT wheat-wheat-sunflower 101 1991 60.9-91.2 15.2 0.40  
ND01 RT wheat-wheat-sunflower 34 1991 0-7.6 7.6 2.11  
ND01 RT wheat-wheat-sunflower 34 1991 7.6-15.2 7.6 1.92  
ND01 RT wheat-wheat-sunflower 34 1991 15.2-30.4 15.2 1.52  
ND01 RT wheat-wheat-sunflower 34 1991 30.4-60.9 15.3 0.83  
ND01 RT wheat-wheat-sunflower 34 1991 60.9-91.2 15.2 0.47  
ND01 RT wheat-wheat-sunflower 67 1991 0-7.6 7.6 2.32  
ND01 RT wheat-wheat-sunflower 67 1991 7.6-15.2 7.6 2.00  
ND01 RT wheat-wheat-sunflower 67 1991 15.2-30.4 15.2 1.60  
ND01 RT wheat-wheat-sunflower 67 1991 30.4-60.9 15.3 0.96  
ND01 RT wheat-wheat-sunflower 67 1991 60.9-91.2 15.2 0.53  
ND01 RT wheat-wheat-sunflower 101 1991 0-7.6 7.6 2.27  
ND01 RT wheat-wheat-sunflower 101 1991 7.6-15.2 7.6 1.93  
ND01 RT wheat-wheat-sunflower 101 1991 15.2-30.4 15.2 1.63  
ND01 RT wheat-wheat-sunflower 101 1991 30.4-60.9 15.3 0.96  
ND01 RT wheat-wheat-sunflower 101 1991 60.9-91.2 15.2 0.48  
ND01 NT wheat-wheat-sunflower 34 1991 0-7.6 7.6 2.45  
ND01 NT wheat-wheat-sunflower 34 1991 7.6-15.2 7.6 1.99  
ND01 NT wheat-wheat-sunflower 34 1991 15.2-30.4 15.2 1.58  
ND01 NT wheat-wheat-sunflower 34 1991 30.4-60.9 15.3 0.78  
ND01 NT wheat-wheat-sunflower 34 1991 60.9-91.2 15.2 0.37  
ND01 NT wheat-wheat-sunflower 67 1991 0-7.6 7.6 2.36  
ND01 NT wheat-wheat-sunflower 67 1991 7.6-15.2 7.6 1.96  
ND01 NT wheat-wheat-sunflower 67 1991 15.2-30.4 15.2 1.49  
ND01 NT wheat-wheat-sunflower 67 1991 30.4-60.9 15.3 0.75  
ND01 NT wheat-wheat-sunflower 67 1991 60.9-91.2 15.2 0.40  
ND01 NT wheat-wheat-sunflower 101 1991 0-7.6 7.6 2.49  
ND01 NT wheat-wheat-sunflower 101 1991 7.6-15.2 7.6 2.08  
ND01 NT wheat-wheat-sunflower 101 1991 15.2-30.4 15.2 1.71  
ND01 NT wheat-wheat-sunflower 101 1991 30.4-60.9 15.3 0.90  
ND01 NT wheat-wheat-sunflower 101 1991 60.9-91.2 15.2 0.47  
WI01 CT corn n/a 1958 0-15 15 1.88  
WI01 CT corn 0 1984 0-15 15 1.96  
WI01 CT corn 56-140 1984 0-15 15 2.20  
WI01 CT corn 112-280 1984 0-15 15 2.22  
WI02 n/a virgin profile n/a 1966 0-15 15 1.51  
WI02 n/a virgin profile n/a 1966 15-30 15 0.35  
WI02 n/a virgin profile n/a 1966 30-46 15 0.17  
WI02 n/a virgin profile n/a 1966 46-61 15 0.17  
WI02 n/a virgin profile n/a 1966 61-91 30 0.12  
WI02 n/a virgin profile n/a 1966 91-122 30 0.12  
WI02 n/a initial n/a 1966 0-15 15 1.61  
WI02 n/a initial n/a 1966 15-30 15 0.54  
WI02 n/a initial n/a 1966 30-46 15 0.33  
WI02 n/a initial n/a 1966 46-61 15 0.27  
WI02 n/a initial n/a 1966 61-91 30 0.23  
WI02 n/a initial n/a 1966 91-122 30 0.20  
WI02 RT corn-soybean-corn-oat-alfalfa n/a 1990 0-20 20 1.66  
WI02 RT corn-corn-oat-alfalfa-alfalfa n/a 1990 0-20 20 1.63  
WI02 RT corn 0 1990 0-20 20 1.40  
WI02 RT corn 84 or 56 1990 0-20 20 1.22  
WI02 RT corn 168/112 1990 0-20 20 1.36  
WI02 RT corn 336/224 1990 0-20 20 1.33  
MN01 CT corn 16 1979 0-20 20 2.63  
MN01 CT corn 61 1979 0-20 20 2.74  
MN01 CT corn 106 1979 0-20 20 2.70  
MN01 CT corn 195 1979 0-20 20 2.75  
Edi01 CT barley n/a 1967 0-60 60 2.44  
Edi01 CT barley n/a 1975 0-60 60 2.44  
Edi01 CT barley n/a 1990 0-60 60 2.67  
Edi01 CT barley n/a 1992 0-60 60 3.10  
Edi01 NT barley n/a 1975 0-60 60 2.91  
Edi01 NT barley n/a 1990 0-60 60 2.91  
Edi01 NT barley n/a 1992 0-60 60 3.62  
Edi02 CT barley n/a 1967 0-60 60 2.44  
Edi02 CT barley n/a 1975 0-60 60 2.15  
Edi02 CT barley n/a 1990 0-60 60 2.33  
Edi02 NT barley n/a 1975 0-60 60 2.15  
Edi02 NT barley n/a 1990 0-60 60 2.85  
MO01 n/a initial n/a 1888 0-10 10 4.40  
MO01 CT wheat manure 1915 0-20 20 1.19  
MO01 CT wheat manure 1963 0-20 20 1.42  
MO01 CT wheat manure 1988 0-20 20 1.86  
MO01 CT wheat fert. 1915 0-10 10 1.22  
MO01 CT wheat fert. 1915 10-20 10 1.07  
MO01 CT wheat fert. 1963 0-20 20 1.09  
MO01 CT wheat fert. 1986 0-20 20 1.30  
MO01 CT wheat fert. 1988 0-20 20 1.44  
MO01 CT wheat 0 1915 0-10 10 1.22  
MO01 CT wheat 0 1963 0-20 20 0.88  
MO01 CT wheat 0 1988 0-20 20 0.84  
MO01 CT corn manure 1915 0-10 10 1.58  
MO01 CT corn manure 1915 10-20 10 1.50  
MO01 CT corn manure 1963 0-20 20 1.43  
MO01 CT corn manure 1986 0-20 20 1.80  
MO01 CT corn manure 1988 0-20 20 1.67  
MO01 CT corn fert. 1915        
MO01 CT corn fert. 1963 0-20 20 1.10  
MO01 CT corn fert. 1986 0-20 20 1.30  
MO01 CT corn fert. 1988 0-20 20 1.44  
MO01 CT corn 0 1915 0-20 20 1.13  
MO01 CT corn 0 1963 0-20 20 0.96  
MO01 CT corn 0 1989 0-20 20 0.79  
MO01 NT corn fert. 1915        
MO01 NT corn fert. 1963 0-20 20 1.18  
MO01 NT corn fert. 1988 0-20 20 1.68  
MO01 CT corn-wheat-clover manure 1915        
MO01 CT corn-wheat-clover manure 1963 0-20 20 1.20  
MO01 CT corn-wheat-clover manure 1988 0-20 20 1.85  
MO01 CT corn-wheat-clover fert. 1915        
MO01 CT corn-wheat-clover fert. 1963 0-20 20 1.09  
MO01 CT corn-wheat-clover fert. 1988 0-20 20 1.40  
MO01 CT timothy 0 1915 0-10 10 1.37  
MO01 CT timothy 0 1915 10-20 10 1.19  
MO01 CT timothy 0 1986 0-10 10 1.40  
MO01 CT timothy manure 1915 0-10 10 2.43  
MO01 CT timothy manure 1915 10-20 10 1.43  
MO01 CT timothy manure 1986 0-10 10 2.10  
MO01 CT clover 0 1915 0-10 10 1.30  
MO01 CT clover 0 1915 10-20 10    
MO01 CT clover manure 1915 0-10 10 1.61  
MO01 CT clover manure 1915 10-20 10 1.60  
MD01 CT corn n/a 1985 5-19 14    
MD01 NT corn n/a 1985 5-19 14    
MD02 CT corn n/a 1985 5-19 14    
MD02 NT corn n/a 1985 5-19 14    
MD03 CT corn n/a 1985        
MD03 NT corn n/a 1985        
Swe01 n/a cereals fallow 1956 0-20 20 1.59  
Swe01 n/a cereals fallow 1991 0-20 20 1.10  
Swe01 n/a cereals fallow 1993 0-20 20 0.98  
Swe01 n/a cereals no treatment 1956 0-20 20 1.51  
Swe01 n/a cereals no treatment 1991 0-20 20 1.23  
Swe01 n/a cereals no treatment 1993 0-20 20 1.16  
Swe01 n/a cereals green manure 1956 0-20 20 1.56  
Swe01 n/a cereals green manure 1991 0-20 20 1.87  
Swe01 n/a cereals green manure 1993 0-20 20 1.64  
Swe01 n/a cereals farmyard manure 1956 0-20 20 0.80  
Swe01 n/a cereals farmyard manure 1991 0-20 20 1.12  
Swe01 n/a cereals farmyard manure 1993 0-20 20 2.14  
Swe01 n/a cereals peat 1956 0-20 20 1.83  
Swe01 n/a cereals peat 1991 0-20 20 3.52  
Swe01 n/a cereals peat 1993 0-20 20 3.06  
Eng01 n/a barley 0 1852 0-23 23 1.05  
Eng01 n/a barley 0 1882 0-23 23 0.91  
Eng01 n/a barley 0 1904 0-23 23 0.84  
Eng01 n/a barley 0 1913 0-23 23 0.94  
Eng01 n/a barley 0 1946 0-23 23 0.90  
Eng01 n/a barley 0 1966 0-23 23 0.93  
Eng01 n/a barley 0 1975 0-23 23 0.91  
Eng01 n/a barley PK 1852 0-23 23 1.17  
Eng01 n/a barley PK 1882 0-23 23 1.12  
Eng01 n/a barley PK 1913 0-23 23 1.10  
Eng01 n/a barley PK 1946 0-23 23 1.17  
Eng01 n/a barley PK 1975 0-23 23 1.10  
Eng01 n/a barley NPK 1852 0-23 23 1.17  
Eng01 n/a barley NPK 1868 0-23 23 0.71  
Eng01 n/a barley NPK 1882 0-23 23 1.08  
Eng01 n/a barley NPK 1897 0-23 23 1.03  
Eng01 n/a barley NPK 1904 0-23 23 1.06  
Eng01 n/a barley NPK 1913 0-23 23 1.09  
Eng01 n/a barley NPK 1946 0-23 23 1.15  
Eng01 n/a barley NPK 1966 0-23 23 1.16  
Eng01 n/a barley NPK 1975 0-23 23 0.96  
Eng01 n/a barley FY manure 1852 0-23 23 1.17  
Eng01 n/a barley FY manure 1882 0-23 23 2.39  
Eng01 n/a barley FY manure 1904 0-23 23 2.57  
Eng01 n/a barley FY manure 1913 0-23 23 3.01  
Eng01 n/a barley FY manure 1946 0-23 23 3.07  
Eng01 n/a barley FY manure 1965 0-23 23 3.31  
Eng01 n/a barley FY manure 1966 0-23 23 3.06  
Eng01 n/a barley FY manure 1975 0-23 23 3.38  
Nor01 n/a continuous cereal n/a 1953 0-20 20 3.80  
Nor01 n/a continuous cereal n/a 1966 0-20 20 3.43  
Nor01 n/a continuous cereal n/a 1972 0-20 20 3.40  
Nor01 n/a continuous cereal n/a 1978 0-20 20 3.30  
Nor01 n/a continuous cereal n/a 1984 0-20 20 3.38  
Nor01 n/a continuous cereal straw plough in 1953 0-20 20 3.80  
Nor01 n/a continuous cereal straw plough in 1966 0-20 20 3.49  
Nor01 n/a continuous cereal straw plough in 1972 0-20 20 3.47  
Nor01 n/a continuous cereal straw plough in 1978 0-20 20 3.35  
Nor01 n/a continuous cereal straw plough in 1984 0-20 20 3.57  
Nor01 n/a 2 yr ley-4 yr crop n/a 1953 0-20 20 3.80  
Nor01 n/a 2 yr ley-4 yr crop n/a 1966 0-20 20 3.60  
Nor01 n/a 2 yr ley-4 yr crop n/a 1972 0-20 20 3.55  
Nor01 n/a 2 yr ley-4 yr crop n/a 1978 0-20 20 3.47  
Nor01 n/a 2 yr ley-4 yr crop n/a 1984 0-20 20 3.60  
Nor01 n/a 2 yr ley-4 yr crop FYM 60t/ha 1953 0-20 20 3.80