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 |
| |