Appendix I--Rooting-depth Procedure
For crop rotations in which two crops with different rooting depths are involved, such as the wheat-sorghum or wheat-soybean combinations, the following two procedures were adopted for simulating crop rotations.
- If a date close to planting of the second deeper-rooted crop in the crop rotation (that is, within approximately a week) occurred in which the soil-moisture deficit was zero or close to zero, the simulation of the second crop started from that day, but the water-budget accounting was initiated from the original planting day. The budget accounting for the first crop continued until the planting of the second crop. In such cases, we assumed that the additional rooting-depth footage was at its maximum available-water capacity (MAWC).
- Alternatively, if no date close to planting occurred in which the soil-water deficit was close to zero, the soil-water deficit was manipulated from the shallower to the deeper rooting depth as follows: the available capacity of the water-deficient shallower-rooting-depth profile was totaled and the ratios of available-water capacity (AWC) of each zone relative to the soil profile's total water capacity was calculated. The MAWC for the additional rooting-depth footage was then calculated. Assuming that this additional rooting-depth footage has the same percentage of AWC as the one in the last (6th) zone of the shallower rooting-depth profile, the total AWC of the additional rooting-depth footage was calculated and added to the shallower profile's total AWC. This total AWC finally was distributed over the six standard zones in the ratios of AWC found for the shallower profile. This second procedure was the one most frequently employed.
Appendix II--Crop-growth stages and crop coefficients
Plant | Starting date of crop stage |
Crop stage | Soil zone | |||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |||
Prairie grasses |
1982/10/01 | Growth | .55 | .19 | .17 | .08 | .03 | .01 |
1982/11/30 | Dormancy | .50 | .20 | .10 | .04 | .02 | .01 | |
1983/03/01 | Growth | .55 | .19 | .17 | .08 | .03 | .01 | |
Winter wheat |
1982/10/01 | Fallow | .40 | .15 | .12 | .10 | .02 | .01 |
1982/10/17 | Planting to emergence | .40 | .15 | .12 | .10 | .02 | .01 | |
1982/11/30 | Dormancy | .40 | .15 | .12 | .10 | .02 | .01 | |
1983/03/01 | Spring growth to jointing & heading | .17 | .13 | .10 | .07 | .04 | .02 | |
1983/05/01 | Heading to soft dough | .33 | .15 | .14 | .12 | .01 | .05 | |
1983/05/20 | Soft dough to ripening & harvest | .22 | .13 | .12 | .10 | .06 | .04 | |
1983/06/15 | Fallow (post-harvest) | .40 | .15 | .12 | .10 | .02 | .01 | |
Corn | 1983/05/01 | Planting | .40 | .15 | .12 | .10 | .02 | .01 |
1983/05/11 | Emergence | .40 | .20 | .13 | .12 | .03 | .02 | |
1983/08/05 | Tasseling | .40 | .25 | .15 | .12 | .10 | .03 | |
1983/08/20 | Silking | .40 | .30 | .20 | .15 | .10 | .05 | |
1983/09/30 | Ear emergence | .40 | .30 | .20 | .15 | .07 | .03 | |
Soybean | 1983/06/16 | Planting | .20 | .15 | .15 | .10 | ||
1983/06/23 | Emergence | .20 | .20 | .15 | .10 | .05 | .05 | |
1983/08/15 | Flowering | .15 | .15 | .10 | .10 | .10 | .05 | |
1983/08/30 | End of Flowering | .15 | .15 | .20 | .20 | .15 | .10 | |
1983/09/15 | Maturity | .10 | .15 | .20 | .15 | .10 | .10 | |
Sorghum | 1983/06/16 | Planting | .14 | .05 | .04 | .03 | .01 | .00 |
1983/06/23 | Post planting | .30 | .15 | .09 | .08 | .02 | .01 | |
1983/08/15 | Heading | .37 | .23 | .13 | .11 | .09 | .03 | |
1983/08/30 | Blossom | .20 | .16 | .10 | .08 | .05 | .02 | |
1983/09/15 | Hard Dough | .07 | .06 | .03 | .02 | .01 | .01 | |
Alfalfa | 1982/10/01 | Full Cover | .50 | .25 | .25 | .20 | .18 | .12 |
1982/11/20 | Dormancy | .50 | .20 | .10 | .04 | .02 | .01 | |
1983/03/01 | Spring Growth | .50 | .20 | .15 | .12 | .08 | .05 | |
1983/04/01 | Full Cover | .50 | .25 | .23 | .22 | .15 | .10 | |
1983/04/09 | 1st cut & earlygrowth | .50 | .22 | .18 | .15 | .15 | .10 | |
1983/05/20 | Full cover | .50 | .25 | .25 | .20 | .18 | .12 | |
1983/06/10 | 2nd cut & early growth | .45 | .25 | .20 | .20 | .20 | .15 | |
1983/07/10 | Full cover | .50 | .25 | .25 | .20 | .18 | .12 | |
1983/08/01 | 3rd cut & early growth | .45 | .25 | .20 | .20 | .20 | .15 | |
1983/09/05 | Full cover | .50 | .25 | .25 | .20 | .18 | .12 | |
1983/09/26 | 4th cut & early growth | .45 | .25 | .20 | .20 | .20 | .15 |
Appendix III--Water-balance variables in inches
Precipitation and irrigation (inches)
Clim. zone |
Soil assoc. |
Grass | Wheat | Irr. wheat |
Wheat to sorghum |
Irr. wheat to sorghum |
Wheat to soybeans |
Irr. wheat to soybeans |
Irr. corn |
Fallow to irr. sorghum or irr. soybeans |
Irr. alfalfa |
Alfalfa |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hud-Hud | CFT | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 |
DT | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 | |
NaPl | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 | |
PT | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 | |
PC | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 | |
NF | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 | |
NC | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 | |
BF | 18.88 | 18.88 | 24.88 | 18.88 | 37.38 | 18.88 | 36.94 | 33.88 | 31.38 | 42.38 | 18.88 | |
Hud-Trou | PC | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 35.58 | 46.58 | 23.08 |
NaPl | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 35.58 | 46.58 | 23.08 | |
PT | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 35.58 | 46.58 | 23.08 | |
NF | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 35.58 | 46.58 | 23.08 | |
NC | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 35.58 | 46.58 | 23.08 | |
Gr-Trou | PT | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 34.58 | 46.58 | 23.08 |
APC | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 34.58 | 46.58 | 23.08 | |
NC | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 34.58 | 46.58 | 23.08 | |
ZHW | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 34.58 | 46.58 | 23.08 | |
FL | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 34.58 | 46.58 | 23.08 | |
NF | 23.08 | 23.08 | 29.08 | 23.08 | 41.58 | 23.08 | 41.14 | 38.08 | 34.58 | 46.58 | 23.08 | |
Gr-Buck | APC | 23.52 | 23.52 | 29.52 | 23.52 | 41.52 | 23.52 | 41.08 | 38.52 | 35.02 | 47.02 | 23.52 |
Hol | 23.52 | 23.52 | 29.52 | 23.52 | 41.52 | 23.52 | 41.08 | 38.52 | 35.02 | 47.02 | 23.52 | |
HU | 23.52 | 23.52 | 29-52 | 23.52 | 41.52 | 23.52 | 41.08 | 38.52 | 35.02 | 47.02 | 23.52 | |
PT | 23.52 | 23.52 | 29.52 | 23.52 | 41.52 | 23.52 | 41.08 | 38.52 | 35.02 | 47.02 | 23.52 |
Drainage (inches)
Clim. zone |
Soil assoc. |
Grass | Wheat | Irr. wheat |
Wheat to sorghum |
Irr. wheat to sorghum |
Wheat to soybeans |
Irr. wheat to soybeans |
Irr. corn |
Fallow to irr. sorghum or irr. soybeans |
Irr. alfalfa |
Alfalfa |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hud-Hud | CFT | .00 | 2.67 | 7.83 | 2.77 | 7.88 | 2.73 | 7.93 | 3.23 | 1.96 | .00 | .00 |
DT | 1.54 | 4.05 | 8.88 | 4.16 | 8.93 | 4.11 | 8.98 | 4.61 | 3.78 | .52 | .3 1 | |
NaPl | .07 | 2.74 | 7.85 | 2.84 | 7.90 | 2.79 | 7.22 | 3.29 | 1.96 | .00 | .00 | |
PT | 1.28 | 3.97 | 8.78 | 4.07 | 8.83 | 4.02 | 8.87 | 4.60 | 3.64 | .28 | .04 | |
PC | .22 | 3.07 | 7.94 | 3.17 | 7.99 | 3.12 | 8.04 | 3.64 | 2.37 | .00 | .00 | |
NF | .00 | 2.72 | 7.84 | 2.83 | 7.90 | 2.78 | 7.95 | 3.25 | 1.95 | .00 | .00 | |
NC | .00 | 2.79 | 7.85 | 2.89 | 7.90 | 2.84 | 7.95 | 3.31 | 2.01 | .00 | .00 | |
BF | .00 | 2.57 | 7.83 | 2.68 | 7.88 | 2.63 | 7.93 | 3.13 | 1.83 | .00 | .00 | |
Hud-Trou | PC | .91 | 5.72 | 10.86 | 5.78 | 11.13 | 5.70 | 10.80 | 5.11 | 5.11 | .00 | .00 |
NaPl | .35 | 5.27 | 10.32 | 5.33 | 10.56 | 5.14 | 10.23 | 4.52 | 4.46 | .00 | .00 | |
PT | 3.05 | 6.90 | 12.01 | 6.99 | 12.30 | 6.86 | 11.96 | 6.79 | 6.71 | 1.16 | .91 | |
NF | .18 | 5.24 | 10.16 | 5.33 | 10.45 | 5.20 | 10.12 | 4.37 | 4.32 | .00 | .00 | |
NC | .24 | 5.30 | 10.18 | 5.38 | 10.4i | 5.25 | 10.14 | 4.42 | 4.39 | .00 | .00 | |
Gr-Trou | PT | 3.29 | 7.05 | 12.24 | 7.11 | 12.55 | 7.10 | 12.19 | 7.01 | 6.59 | 1.33 | .91 |
APC | 2.38 | 6.66 | 11.75 | 6.66 | 12.02 | 6.71 | 11.69 | 6.54 | 6.09 | .71 | .41 | |
NC | .46 | 5.62 | 10.67 | 5.88 | 10.99 | 5.67 | 10.63 | 5.23 | 5.20 | .00 | .00 | |
ZHW | .77 | 5.62 | 10.71 | 5.68 | 10.99 | 5.67 | 10.65 | 4.30 | 4.62 | .00 | .00 | |
FL | .11 | 5.48 | 10.52 | 5.53 | 10.11 | 5.53 | 10.47 | 4.79 | 4.41 | .00 | .00 | |
NF | .38 | 5.58 | 10.63 | 5.63 | 10.70 | 5.63 | 10.59 | 4.88 | 5.11 | .00 | .00 | |
Gr-Buck | APC | 3.76 | 8.17 | 13.18 | 7.77 | 13.08 | 8.22 | 13.13 | 7.99 | 7.73 | .00 | .00 |
Hol | .78 | 6.11 | 11.30 | 6.16 | 11.20 | 6.16 | 11.25 | 5.45 | 5.45 | .00 | .00 | |
HU | .33 | 5.99 | 11.25 | 6.04 | 11.15 | 6.16 | 11.20 | 5.58 | 5.33 | .00 | .00 | |
PT | 4.74 | 8.46 | 13.34 | 8.51 | 13.24 | 8.51 | 13.29 | 8.65 | 8.16 | .52 | .10 |
Actual evapotranspiration (inches)
Clim. zone |
Soil assoc. |
Grass | Wheat | Irr. wheat |
Wheat to sorghum |
Irr. wheat to sorghum |
Wheat to soybeans |
Irr. wheat to soybeans |
Irr. corn |
Fallow to irr. sorghum or irr. soybeans |
Irr. alfalfa |
Alfalfa |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hud-Hud | CFT | 24.28 | 18.99 | 19.83 | 20.65 | 30.56 | 23.23 | 33.50 | 37.68 | 33.41 | 47.98 | 24.46 |
DT | 18.30 | 15.12 | 16.17 | 15.83 | 26.65 | 16.56 | 27.84 | 31.10 | 26.50 | 42.95 | 19.79 | |
NaPl | 24.11 | 18.76 | 19.46 | 19.85 | 30.32 | 22.30 | 32.69 | 36.15 | 31.21 | 47.32 | 23.82 | |
PT | 19.43 | 15.51 | 16.44 | 16.41 | 27.10 | 17.26 | 28.44 | 31.83 | 28.09 | 43.43 | 20.28 | |
PC | 22.09 | 17.54 | 18.28 | 18.79 | 29.09 | 20.19 | 30.91 | 34.71 | 31.37 | 45.54 | 22.02 | |
NF | 23.89 | 18.97 | 19.63 | 20.50 | 30.48 | 22.78 | 33.13 | 37.58 | 33.40 | 47.32 | 23.82 | |
NC | 23.55 | 18.78 | 19.46 | 20.24 | 30.25 | 22.27 | 32.69 | 36.10 | 33.06 | 46.99 | 23.49 | |
BF | 24.75 | 19.24 | 19.85 | 21.05 | 30.95 | 23.93 | 34.09 | 38.70 | 34.77 | 48.58 | 25.06 | |
Hud-Trou | PC | 25.07 | 18.77 | 19.47 | 20.44 | 29.77 | 21.96 | 32.70 | 37.10 | 30.32 | 49.14 | 26.08 |
NaPl | 27.14 | 19.97 | 20.63 | 21.61 | 31.07 | 25.43 | 34.43 | 39.68 | 31.89 | 50.58 | 27.77 | |
PT | 21.68 | 16.64 | 17.51 | 17.88 | 27.97 | 18.98 | 29.60 | 33.40 | 27.70 | 46.21 | 23.53 | |
NF | 27.29 | 20.13 | 20.81 | 21.43 | 31.08 | 24.28 | 34.56 | 39.93 | 32.05 | 50.90 | 27.77 | |
NC | 26.89 | 19.93 | 20.62 | 21.43 | 30.84 | 23.83 | 34.19 | 39.48 | 31.76 | 50.58 | 27.45 | |
Gr-Trou | PT | 21.45 | 16.41 | 17.26 | 17.30 | 27.64 | 18.32 | 29.35 | 33.19 | 29.15 | 46.06 | 23.55 |
APC | 22.90 | 16.79 | 17.98 | 17.84 | 28.16 | 20.10 | 30.28 | 34.41 | 30.26 | 47.24 | 24.56 | |
NC | 26.78 | 19.59 | 20.24 | 20.97 | 30.33 | 23.40 | 33.76 | 39.11 | 34.57 | 50.77 | 27.57 | |
ZHW | 26.52 | 19.56 | 20.19 | 20.88 | 30.29 | 23.40 | 33.64 | 38.89 | 34.40 | 50.77 | 27.57 | |
FL | 28.36 | 20.94 | 20.75 | 21.91 | 31.14 | 25.24 | 35.06 | 40.81 | 35.92 | 52.33 | 29.21 | |
NF | 27.18 | 19.78 | 20.41 | 21.22 | 30.54 | 23.88 | 34.09 | 39.54 | 34.92 | 51.11 | 27.90 | |
Gr-Buck | APC | 22.80 | 16.35 | 17.26 | 17.19 | 27.23 | 18.50 | 29.35 | 33.56 | 29.00 | 47.15 | 25.38 |
Hol | 27.19 | 19.28 | 19.99 | 20.72 | 29.98 | 23.74 | 33.82 | 39.65 | 34.29 | 50.87 | 29.11 | |
HU | 27.65 | 19.92 | 20.57 | 21.41 | 30.65 | 24.51 | 34.54 | 40.18 | 35.08 | 51.23 | 29.45 | |
PT | 20.40 | 15.44 | 16.46 | 16.04 | 26.64 | 17.52 | 29.59 | 32.77 | 28.01 | 46.22 | 24.77 |
Soil-moisture deficit (inches)
Clim. zone |
Soil assoc. |
Grass | Wheat | Irr. wheat |
Wheat to sorghum |
Irr. wheat to sorghum |
Wheat to soybeans |
Irr. wheat to soybeans |
Irr. corn |
Fallow to irr. sorghum or irr. soybeans |
Irr. alfalfa |
Alfalfa |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hud-Hud | CFT | 5.63 | 3.28 | 3.33 | 4.90 | 2.28 | 7.53 | 6.07 | 6.35 | 5.00 | 6.30 | 6.20 |
DT | 1.59 | 1.37 | 1.42 | 2.18 | .11 | 2.90 | 2.00 | 1.96 | .61 | 1.80 | 1.90 | |
NaPl | 5.42 | 3.16 | 3.21 | 4.17 | 2.18 | 6.55 | 4.47 | 4.96 | 2.37 | 5.70 | 5.50 | |
PT | 2.52 | 1.60 | 1.65 | 2.52 | .40 | 3.34 | 1.90 | 2.44 | 1.74 | 2.10 | 2.00 | |
PC | 3.89 | 2.43 | 2.48 | 3.72 | 1.36 | 5.11 | 3.66 | 4.06 | 3.61 | 3.80 | 3.70 | |
NF | 5.45 | 3.33 | 3.38 | 4.78 | 2.21 | 7.13 | 5.22 | 6.28 | 5.04 | 5.70 | 5.50 | |
NC | 5.10 | 3.17 | 3.22 | 4.60 | 2.03 | 6.70 | 4.86 | 4.59 | 4.86 | 5.30 | 5.20 | |
BF | 6.24 | 3.43 | 3.48 | 5.13 | 2.55 | 8.12 | 6.22 | 7.25 | 5.66 | 6.90 | 6.80 | |
Hud-Trou | PC | 3.59 | 2.40 | 2.45 | 3.72 | .53 | 5.45 | 3.55 | 4.07 | .86 | 3.90 | 3.70 |
NaPl | 5.19 | 3.06 | 3.15 | 4.71 | 1.41 | 8.65 | 4.97 | 6.11 | 1.70 | 5.70 | 5.50 | |
PT | 2.38 | 1.60 | 1.65 | 2.60 | .00 | 3.70 | 1.78 | 2.24 | .00 | 2.10 | 2.10 | |
NF | 5.13 | 3.20 | 3.25 | 4.70 | 1.26 | 7.58 | 4.84 | 6.13 | 1.56 | 5.70 | 5.50 | |
NC | 4.80 | 3.07 | 3.12 | 4.50 | 1.15 | 7.22 | 4.63 | 5.70 | 1.36 | 5.40 | 5.20 | |
Gr-Trou | PT | 2.44 | 1.66 | 1.71 | 2.76 | .28 | 3.42 | 1.72 | 2.32 | 1.84 | 2.20 | 2.20 |
APC | 2.88 | 1.93 | 1.98 | 3.02 | .00 | 3.95 | 2.15 | 2.79 | 2.34 | 2.70 | 2.60 | |
NC | 4.90 | 3.07 | 3.12 | 4.50 | 1.06 | 6.90 | 4.54 | 5.80 | 4.74 | 5.60 | 5.30 | |
ZHW | 4.99 | 3.12 | 3.17 | 4.44 | .29 | 6.94 | 3.72 | 5.82 | 4.48 | 5.60 | 5.30 | |
FL | 6.10 | 3.54 | 3.52 | 5.30 | 1.76 | 8.57 | 5.74 | 7.40 | 6.04 | 7.10 | 7.00 | |
NF | 5.20 | 3.23 | 3.25 | 4.70 | 1.24 | 7.33 | 4.84 | 6.20 | 5.07 | 5.90 | 5.70 | |
Gr-Buck | APC | 2.77 | 1.95 | 2.00 | 2.54 | .01 | 4.08 | 2.56 | 2.85 | 2.57 | 2.70 | 2.70 |
Hol | 5.40 | 3.20 | 3.25 | 4.50 | 1.36 | 7.70 | 5.64 | 7.10 | 5.74 | 6.60 | 6.60 | |
HU | 5.67 | 3.73 | 3.78 | 5.13 | 1.99 | 8.41 | 6.26 | 7.81 | 6.36 | 7.00 | 7.20 | |
PT | 2.46 | 1.48 | 1.53 | 2.32 | .00 | 3.46 | 2.34 | 2.62 | 2.14 | 2.10 | 2.10 |
Runoff (inches)
Clim. zone |
Soil assoc. |
Grass | Wheat | Irr. wheat |
Wheat to sorghum |
Irr. wheat to sorghum |
Wheat to soybeans |
Irr. wheat to soybeans |
Irr. corn |
Fallow to irr. sorghum or irr. soybeans |
Irr. alfalfa |
Alfalfa |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hud-Hud | CFT | .26 | .26 | .47 | .27 | .65 | .28 | .56 | .35 | .43 | .51 | .38 |
DT | .48 | .89 | 1.02 | .90 | 1.19 | .91 | 1.10 | .97 | 1.06 | .55 | .43 | |
NaPl | .27 | .29 | .53 | .30 | .71 | .31 | .61 | .38 | .46 | .51 | .38 | |
PT | .51 | .75 | 1.01 | .76 | 1.18 | .77 | 1.09 | .83 | .91 | .55 | .43 | |
PC | .26 | .46 | .86 | .47 | 1.03 | .48 | .94 | .54 | .62 | .52 | .40 | |
NF | .26 | .26 | .49 | .27 | .66 | .28 | .57 | .35 | .43 | .51 | .38 | |
NC | .26 | .26 | .53 | .27 | .70 | .28 | .61 | .35 | .43 | .51 | .38 | |
BF | .26 | .26 | .41 | .27 | .58 | .28 | .49 | .35 | .43 | .51 | .38 | |
Hud-Trou | PC | .50 | .85 | 1.02 | .84 | 1.80 | .84 | 1.78 | 1.01 | .84 | 1.16 | .59 |
NaPl | .57 | .72 | 1.00 | .73 | 1.12 | .69 | 1.02 | .91 | .66 | 1.18 | .64 | |
PT | .54 | 1.00 | 1.04 | 1.00 | 1.74 | 1.00 | 1.69 | 1.08 | .98 | 1.08 | .53 | |
NF | .55 | .70 | 1.10 | .67 | 1.17 | .67 | 1.07 | .89 | .62 | 1.18 | .64 | |
NC | .55 | .70 | 1.14 | .67 | 1.21 | .67 | 1.11 | .89 | .63 | 1.18 | .64 | |
Gr-Trou | PT | .63 | 1.06 | 1.09 | 1.07 | 1.19 | 1.08 | 1.08 | 1.16 | 1.09 | 1.15 | .60 |
APC | .52 | .97 | 1.14 | .98 | 1.23 | .99 | 1.12 | 1.10 | .99 | 1.20 | .63 | |
NC | .57 | .77 | 1.13 | .78 | 1.20 | .79 | 1.09 | .96 | .73 | 1.22 | .66 | |
ZHW | .58 | .75 | 1.10 | .76 | 1.20 | .77 | 1.09 | .93 | .72 | 1.22 | .66 | |
FL | .59 | .70 | 1.13 | .71 | 1.22 | .72 | 1.11 | .90 | .65 | 1.23 | .71 | |
NF | .57 | .75 | 1.13 | .76 | 1.20 | .77 | 1.09 | .99 | .70 | 1.22 | .66 | |
Gr-Buck | APC | .60 | .65 | .84 | .69 | .96 | .70 | .73 | .79 | .75 | 2.35 | .62 |
Hol | .75 | 1.06 | 1.27 | 1.07 | 1.43 | 1.08 | 1.36 | 1.36 | .79 | 2.51 | .86 | |
HU | .93 | 1.06 | 1.27 | 1.07 | 1.38 | 1.08 | 1.36 | 1.43 | .79 | 2.54 | 1.03 | |
PT | .59 | .83 | 1.04 | .84 | 1.14 | .85 | 1.08 | .90 | .88 | 2.23 | .61 |
Appendix IV--Water-balance variables in acre-feet
Crop or crop rotation (acre-feet) | Row totals (acre-feet) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Grass | Irr. wheat |
Fallow to irr. sorghum |
Fallow to irr. corn |
Irr. wheat to irr. soybeans |
Dryland wheat |
Dryland wheat to sorghum |
Irr. alfalfa |
Dryland alfalfa |
Total | Parameter | Soil assoc. |
Clim. zone |
2476.80 | .00 | .00 | .00 | .00 | 5574.40 | 1388.80 | .00 | 281.60 | 9721.60 | AREA | CFT | Hud-Hud |
3901.33 | .00 | .00 | .00 | .00 | 8769.60 | 2189.33 | .00 | 444.80 | 15305.39 | PCP | ||
1163.20 | .00 | .00 | .00 | .00 | 1523.73 | 568.53 | .00 | 146.13 | 3401.24 | SD | ||
5017.07 | .00 | .00 | .00 | .00 | 8820.80 | 2394.67 | .00 | 576.00 | 16809.01 | AE | ||
.00 | .00 | .00 | .00 | .00 | 1240.00 | 321.07 | .00 | .00 | 1561.46 | DR | ||
53.87 | .00 | .00 | .00 | .00 | 120.53 | 31.47 | .00 | 9.07 | 214.76 | RO | ||
48249.60 | 57.60 | 140.80 | 198.40 | 115.20 | 2860.80 | 716.80 | 121.60 | 147.20 | 52607.99 | AREA | DT | |
75914.63 | 124.80 | 361.60 | 563.73 | 362.67 | 4497.07 | 1122.67 | 438.40 | 228.27 | 83613.88 | PCP | ||
6393.07 | 6.93 | 6.93 | 32.53 | 19.73 | 326.40 | 129.60 | 18.67 | 22.93 | 6957.17 | SD | ||
73582.38 | 81.07 | 305.07 | 517.33 | 273.07 | 3601.60 | 941.33 | 444.27 | 238.93 | 79986.12 | AE | ||
6192.00 | 44.27 | 43.73 | 76.80 | 88.00 | 964.80 | 247.47 | 5.33 | 3.73 | 7666.35 | DR | ||
1930.13 | 5.33 | 12.27 | 16.00 | 10.67 | 212.27 | 53.33 | 5.87 | 5.33 | 2250.71 | RO | ||
37952.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 37952.00 | AREA | NaPl | |
59710.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 59710.93 | PCP | ||
17141.86 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 17141.65 | SD | ||
76251.75 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 76251.75 | AE | ||
221.33 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 221.39 | DR | ||
853.87 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 853.92 | RO | ||
15884.80 | 326.40 | 748.80 | 1081.60 | 640.00 | 9228.80 | 2304.00 | 672.00 | 467.20 | 31353.60 | AREA | PT | |
24992.00 | 677.33 | 1962.67 | 3061.33 | 1968.53 | 14518.93 | 3625.07 | 2380.80 | 736.53 | 53922.66 | PCP | ||
3336.00 | 44.80 | 108.80 | 220.27 | 101.33 | 1230.40 | 483.73 | 117.87 | 77.87 | 5721.49 | SD | ||
25720.00 | 447.47 | 1757.33 | 2876.27 | 1515.20 | 11927.46 | 3150.93 | 2440.00 | 790.93 | 50625.06 | AE | ||
1694.40 | 238.93 | 227.73 | 415.47 | 472.53 | 3052.80 | 781.33 | 15.47 | 1.60 | 6901.01 | DR | ||
675.20 | 27.73 | 57.07 | 75.20 | 58.13 | 576.53 | 146.13 | 30.93 | 16.53 | 1662.94 | RO | ||
8006.40 | 2528.00 | 5804.80 | 8384.00 | 4947.20 | 74560.00 | 18617.60 | 5216.00 | 3782.40 | 131846.37 | AREA | PC | |
12595.20 | 5237.33 | 15179.20 | 23672.54 | 15221.33 | 117312.50 | 29290.13 | 18412.27 | 5949.33 | 242869.75 | PCP | ||
2595.20 | 522.13 | 1746.13 | 2836.80 | 1508.27 | 15099.20 | 5771.20 | 1651.20 | 1165.87 | 32895.31 | SD | ||
14736.54 | 3848.00 | 15174.40 | 24252.26 | 12737.07 | 108986.12 | 29150.40 | 19785.06 | 6939.20 | 235608.50 | AE | ||
146.67 | 1671.47 | 1146.67 | 2543.47 | 3313.07 | 19075.73 | 4917.87 | .00 | .00 | 32814.50 | DR | ||
173.33 | 180.80 | 299.73 | 377.07 | 387.20 | 2858.13 | 729.07 | 226.13 | 125.87 | 5358.40 | RO | ||
1350.40 | 844.80 | 1945.60 | 2809.60 | 1657.60 | 16595.20 | 4147.20 | 1747.20 | 844.80 | 31942.38 | AREA | NF | |
2129.60 | 1753.60 | 5082.67 | 7926.40 | 5097.07 | 26114.66 | 6520.00 | 6165.33 | 1324.27 | 62113.07 | PCP | ||
614.93 | 238.40 | 816.53 | 1469.33 | 720.00 | 4605.87 | 1650.67 | 829.33 | 385.60 | 11330.51 | SD | ||
2694.40 | 1383.47 | 5409.60 | 8792.00 | 4571.20 | 26238.93 | 7079.46 | 6883.73 | 1670.93 | 64724.27 | AE | ||
.00 | 552.53 | 315.73 | 760.53 | 1097.07 | 3762.13 | 977.07 | .00 | .00 | 7465.28 | DR | ||
29.33 | 34.67 | 69.87 | 82.13 | 78.40 | 359.47 | 93.33 | 74.13 | 26.67 | 847.76 | RO | ||
1030.40 | 1088.00 | 2502.40 | 3609.60 | 2131.20 | 23923.20 | 5971.20 | 2246.40 | 1216.00 | 43718.40 | AREA | NC | |
1618.13 | 2254.93 | 6536.00 | 10193.07 | 6554.13 | 37642.66 | 9398.40 | 7928.00 | 1908.80 | 84033.56 | PCP | ||
437.33 | 291.73 | 1012.27 | 1380.80 | 862.40 | 6320.53 | 2289.60 | 991.47 | 525.87 | 14111.78 | SD | ||
2018.67 | 1763.73 | 6885.87 | 10860.80 | 5800.00 | 37443.20 | 10075.20 | 8790.40 | 2374.93 | 86012.81 | AE | ||
.00 | 711.47 | 418.67 | 995.73 | 1410.67 | 5562.67 | 1438.40 | .00 | .00 | 10537.76 | DR | ||
22.40 | 48.00 | 89.60 | 105.07 | 108.27 | 518.40 | 134.40 | 95.47 | 38.40 | 1160.03 | RO | ||
217.60 | 96.00 | 224.00 | 320.00 | 192.00 | 4998.40 | 1248.00 | 198.40 | 256.00 | 7750.40 | AREA | BF | |
338.13 | 201.07 | 581.87 | 907.73 | 583.47 | 7862.93 | 1963.20 | 706.13 | 398.93, | 13542.82 | PCP | ||
111.47 | 28.27 | 105.07 | 194.13 | 98.13 | 1428.27 | 533.33 | 115.20 | 143.47 | 2757.73 | SD | ||
443.20 | 160.00 | 644.80 | 1036.80 | 538.67 | 8012.80 | 2188.80 | 809.07 | 529.07 | 14363.63 | AE | ||
.00 | 62.93 | 34.13 | 83.73 | 125.33 | 1070.40 | 278.93 | .00 | .00 | 1655.26 | DR | ||
4.80 | 3.20 | 8.00 | 9.60 | 8.00 | 108.27 | 28.27 | 8.53 | 8.00 | 185.93 | RO | ||
1625.60 | 736.00 | 1696.00 | 2451.20 | 1446.40 | 15456.00 | 3859.20 | 1523.20 | 780.80 | 29574.39 | AREA | PC | Hud-Trou |
3124.27 | 1787.20 | 5025.07 | 7768.53 | 4949.87 | 29724.80 | 7421.33 | 5908.80 | 1507.73 | 67217.06 | PCP | ||
485.87 | 150.40 | 121.60 | 830.40 | 427.20 | 3091.20 | 1196.27 | 494.93 | 241.60 | 7038.93 | SD | ||
3393.60 | 1196.80 | 4282.13 | 7568.53 | 3934.40 | 24173.86 | 6572.80 | 6233.60 | 1703.47 | 59058.13 | AE | ||
123.20 | 667.73 | 721.60 | 1042.67 | 1299.20 | 7366.93 | 1858.67 | .00 | .00 | 13079.57 | DR | ||
67.73 | 62.93 | 118.40 | 205.87 | 214.40 | 1094.93 | 269.87 | 147.20 | 38.40 | 2219.71 | RO | ||
12608.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 12608.00 | AREA | NaPl | |
24249.59 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 24249.39 | PCP | ||
5452.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 5452.96 | SD | ||
28515.19 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 28515.09 | AE | ||
367.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 367.73 | DR | ||
598.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | 598.88 | RO | ||
16678.40 | 217.60 | 499.20 | 723.20 | 428.80 | 3801.60 | 947.20 | 448.00 | 192.00 | 23936.00 | AREA | PT | |
32072.54 | 528.00 | 1483.73 | 2293.87 | 1461.33 | 7312.00 | 1825.60 | 1744.53 | 370.67 | 49092.36 | PCP | ||
3307.20 | 29.87 | .00 | 134.93 | 63.47 | 506.67 | 205.87 | 78.40 | 33.60 | 4360.36 | SD | ||
30126.93 | 317.87 | 1155.20 | 2011.73 | 1051.73 | 5272.00 | 1414.40 | 1730.67 | 378.13 | 43458.19 | AE | ||
4238.40 | 218.13 | 280.00 | 409.07 | 425.07 | 2186.13 | 553.07 | 43.20 | 14.40 | 8366.98 | DR | ||
750.40 | 18.67 | 41.07 | 65.07 | 60.27 | 316.80 | 78.93 | 40.53 | 8.53 | 1380.11 | RO | ||
723.20 | 422.40 | 972.80 | 1401.60 | 825.60 | 12422.40 | 3104.00 | 870.40 | 627.20 | 21369.60 | AREA | NF | |
1396.27 | 1025.07 | 2881.60 | 4454.40 | 2838.40 | 23887.99 | 5964.27 | 3388.27 | 1211.73 | 47046.87 | PCP | ||
310.40 | 114.67 | 126.40 | 717.33 | 333.87 | 3312.00 | 1214.40 | 414.40 | 288.53 | 6832.00 | SD | ||
1650.67 | 733.33 | 2595.73 | 4670.93 | 2384.00 | 20834.66 | 5537.60 | 3702.40 | 1457.60 | 43567.41 | AE | ||
10.67 | 357.87 | 349.87 | 510.93 | 698.13 | 5423.46 | 1377.60 | .00 | .00 | 8728.91 | DR | ||
33.07 | 38.93 | 50.13 | 104.00 | 73.60 | 724.27 | 173.33 | 85.87 | 33.60 | 1317.24 | RO | ||
2035.20 | 940.80 | 2163.20 | 3129.60 | 1843.20 | 22073.60 | 5510.40 | 1945.60 | 1120.00 | 40761.60 | AREA | NC | |
3917.33 | 2284.27 | 6422.93 | 9929.07 | 6326.40 | 42452.26 | 10599.46 | 7552.00 | 2153.07 | 91636.81 | PCP | ||
814.93 | 245.33 | 245.33 | 1486.40 | 712.00 | 5646.93 | 2066.67 | 875.73 | 485.33 | 12577.49 | SD | ||
4564.27 | 1619.73 | 5733.33 | 10294.40 | 5257.60 | 36658.13 | 9841.60 | 8200.53 | 2560.53 | 84730.13 | AE | ||
40.53 | 799.47 | 792.53 | 1152.53 | 1559.47 | 9748.27 | 2470.93 | .00 | .00 | 16563.95 | DR | ||
93.33 | 89.60 | 113.60 | 232.00 | 170.67 | 1287.47 | 307.73 | 191.47 | 59.73 | 2545.64 | RO | ||
37382.40 | 51.20 | 3532.80 | 3264.00 | 3488.00 | 11097.60 | 1440.00 | 3033.60 | 576.00 | 63865.61 | AREA | PT | Gr-Trou |
71894.94 | 129.60 | 12235.73 | 10356.80 | 10060.27 | 21340.79 | 2774.93 | 11786.13 | 1109.87 | 141689.06 | PCP | ||
7600.53 | 7.47 | 82.13 | 630.93 | 535.47 | 1534.93 | 411.20 | 556.80 | 105.60 | 11465.55 | SD | ||
66817.63 | 76.80 | 8133.87 | 9027.20 | 8480.53 | 15173.33 | 2202.67 | 11654.40 | 1132.27 | 122698.69 | AE | ||
10248.53 | 54.40 | 3693.33 | 1906.67 | 1917.33 | 6518.93 | 853.87 | 336.53 | 43.73 | 25572.59 | DR | ||
1962.67 | 4.80 | 350.40 | 315.73 | 317.33 | 980.27 | 129.60 | 291.20 | 28.80 | 4379.93 | RO | ||
5529.60 | 166.40 | 11136.00 | 10291.20 | 11008.00 | 50496.00 | 6566.40 | 9574.40 | 2624.00 | 107392.00 | AREA | APC | |
10637.87 | 409.07 | 38580.79 | 32656.53 | 31721.06 | 97116.25 | 12627.20 | 37162.66 | 5051.20 | 265962.69 | PCP | ||
1327.47 | 27.73 | .00 | 2392.53 | 2146.67 | 8121.07 | 2161.07 | 2154.13 | 569.07 | 18899.67 | SD | ||
10554.66 | 252.80 | 26129.06 | 29509.33 | 27758.39 | 70649.06 | 10996.80 | 37689.59 | 5374.93 | 218914.12 | AE | ||
1097.07 | 165.33 | 11153.07 | 5608.53 | 5586.67 | 28024.00 | 3670.93 | 566.40 | 89.60 | 55961.06 | DR | ||
239.47 | 16.00 | 1141.33 | 943.47 | 908.27 | 4081.60 | 541.87 | 957.33 | 138.13 | 8966.93 | RO | ||
243.20 | 64.00 | 4345.60 | 4019.20 | 4294.40 | 20627.20 | 2681.60 | 3737.60 | 1075.20 | 41087.99 | AREA | NC | |
473.60 | 159.47 | 15057.60 | 12745.60 | 12380.27 | 39670.93 | 5158.40 | 14504.00 | 2063.47 | 102213.31 | PCP | ||
100.80 | 17.07 | 384.00 | 1941.33 | 1697.07 | 5276.80 | 1541.87 | 1744.00 | 473.60 | 13176.37 | SD | ||
549.33 | 110.93 | 10983.46 | 13090.13 | 12377.07 | 33672.54 | 5229.87 | 15809.06 | 2464.53 | 94286.94 | AE | ||
9.60 | 58.67 | 3979.73 | 1750.40 | 1861.87 | 9659.73 | 1267.20 | .00 | .00 | 18587.25 | DR | ||
11.73 | 6.40 | 434.67 | 321.07 | 261.33 | 1323.73 | 176.53 | 379.73 | 59.20 | 2974.10 | RO | ||
32.00 | .00 | 166.40 | 153.60 | 166.40 | 2572.80 | 332.80 | 147.20 | 134.40 | 3705.60 | AREA | ZHW | |
59.20 | 6.40 | 585.60 | 495.47 | 481.60 | 4948.80 | 643.20 | 563.73 | 257.60 | 8040.96 | PCP | ||
12.80 | .53 | 4.27 | 75.73 | 62.40 | 668.80 | 193.60 | 67.73 | 59.20 | 1144.96 | SD | ||
67.73 | 4.27 | 426.67 | 506.13 | 478.93 | 4193.60 | 652.27 | 614.40 | 307.20 | 7251.89 | AE | ||
2.13 | 2.13 | 154.67 | 56.00 | 64.53 | 1204.80 | 157.87 | .00 | .00 | 1642.31 | DR | ||
1.60 | .00 | 17.07 | 12.27 | 10.13 | 161.07 | 21.33 | 14.93 | 7.47 | 245.14 | RO | ||
179.20 | 38.40 | 2342.40 | 2163.20 | 2316.80 | 15244.80 | 1984.00 | 2016.00 | 793.60 | 27078.41 | AREA | FL | |
349.87 | 85.87 | 8114.13 | 6868.27 | 6671.46 | 29320.53 | 3812.27 | 7816.00 | 1524.80 | 64563.73 | PCP | ||
92.27 | 10.67 | 343.47 | 1334.93 | 1165.33 | 4497.07 | 1415.47 | 1191.47 | 462.40 | 10512.96 | SD | ||
430.40 | 61.33 | 6076.80 | 7360.53 | 6930.13 | 26601.60 | 4169.07 | 8780.80 | 1930.13 | 62340.79 | AE | ||
1.60 | 30.93 | 1972.80 | 864.00 | 850.67 | 6961.60 | 913.60 | .00 | .00 | 11595.63 | DR | ||
9.07 | 3.20 | 237.87 | 162.13 | 125.33 | 889.07 | 118.93 | 206.40 | 46.93 | 1799.60 | RO | ||
179.20 | 12.80 | 780.80 | 723.20 | 774.40 | 14784.00 | 1920.00 | 672.00 | 768.00 | 20614.41 | AREA | NF | |
339.73 | 28.80 | 2704.53 | 2289.60 | 2224.00 | 28433.59 | 3697.07 | 2605.33 | 1478.93 | 43801.17 | PCP | ||
76.27 | 3.20 | 80.53 | 372.80 | 325.87 | 3979.20 | 1174.40 | 330.13 | 365.33 | 6707.79 | SD | ||
400.00 | 20.27 | 1986.67 | 2377.07 | 2245.87 | 24368.53 | 3825.07 | 2858.67 | 1787.73 | 39869.28 | AE | ||
5.33 | 10.67 | 696.00 | 293.33 | 328.53 | 6874.13 | 901.87 | .00 | .00 | 9110.29 | DR | ||
8.53 | 1.07 | 77.87 | 59.73 | 44.80 | 923.73 | 123.20 | 68.27 | 42.13 | 1349.94 | RO | ||
2796.80 | 582.40 | 3833.60 | 2188.80 | 4864.00 | 17088.00 | 6041.60 | 2041.60 | 377.60 | 39814.39 | AREA | APC | Gr-Buck |
5479.46 | 1428.27 | 13269.33 | 7022.40 | 14187.20 | 33497.60 | 11841.60 | 7989.87 | 737.07 | 95453.31 | PCP | ||
645.33 | 96.53 | 3.20 | 519.47 | 1041.07 | 2777.07 | 2054.40 | 458.67 | 84.80 | 7680.80 | SD | ||
5312.00 | 835.20 | 8702.40 | 6117.87 | 11748.27 | 23285.87 | 9314.13 | 8011.73 | 795.73 | 74123.75 | AE | ||
876.27 | 637.87 | 4180.27 | 1456.53 | 3131.73 | 11635.73 | 4138.67 | .00 | .00 | 26056.54 | DR | ||
139.73 | 40.53 | 306.67 | 144.00 | 304.00 | 925.87 | 352.53 | 399.47 | 19.20 | 2632.03 | RO | ||
1689.60 | 140.80 | 915.20 | 518.40 | 1158.40 | 13414.41 | 4742.40 | 486.40 | 294.40 | 23360.01 | AREA | Hol | |
3316.80 | 339.73 | 3156.80 | 1670.93 | 3375.47 | 26296.54 | 9296.00 | 1900.80 | 578.67 | 49932.36 | PCP | ||
761.60 | 37.33 | 103.47 | 307.73 | 553.07 | 3577.60 | 3043.20 | 266.67 | 162.67 | 8813.92 | SD | ||
3834.67 | 230.40 | 2279.47 | 1719.47 | 3305.07 | 21556.26 | 9382.93 | 2056.53 | 716.27 | 45081.01 | AE | ||
109.87 | 130.13 | 851.73 | 236.27 | 525.33 | 6831.46 | 2434.67 | .00 | .00 | 11119.36 | DR | ||
105.60 | 14.40 | 108.80 | 59.20 | 76.27 | 1185.07 | 426.67 | 101.33 | 21.33 | 2098.88 | RO | ||
9158.40 | 499.20 | 3283.20 | 1875.20 | 4166.40 | 67520.00 | 23865.59 | 1747.20 | 1484.80 | 113600.00 | AREA | HU | |
17947.20 | 1224.00 | 11370.13 | 6017.07 | 12156.80 | 132335.44 | 46781.32 | 6846.40 | 2912.53 | 237590.81 | PCP | ||
4326.40 | 156.80 | 545.07 | 1220.27 | 2208.00 | 20986.66 | 16727.46 | 1019.20 | 891.73 | 48081.22 | SD | ||
21098.67 | 852.80 | 8393.60 | 6276.80 | 12177.60 | 112080.00 | 48750.93 | 7459.20 | 3646.93 | 220735.37 | AE | ||
251.73 | 466.67 | 3053.33 | 871.47 | 1850.13 | 33702.93 | 12252.27 | .00 | .00 | 52448.64 | DR | ||
709.87 | 52.80 | 378.13 | 223.47 | 274.13 | 5964.27 | 2148.27 | 369.60 | 127.47 | 10247.41 | RO | ||
11475.20 | 128.00 | 838.40 | 480.00 | 1062.40 | 864.00 | 307.20 | 448.00 | 19.20 | 15622.39 | AREA | PT | |
22491.20 | 312.53 | 2905.60 | 1537.60 | 3106.67 | 1687.47 | 596.27 | 1749.33 | 37.33 | 34423.68 | PCP | ||
2352.53 | 16.00 | .00 | 104.53 | 189.87 | 106.13 | 88.00 | 78.40 | 3.20 | 2938.37 | SD | ||
19507.73 | 174.40 | 1864.00 | 1308.27 | 2484.80 | 1107.73 | 444.27 | 1719.47 | 38.93 | 28649.54 | AE | ||
4532.80 | 141.33 | 926.40 | 345.07 | 723.73 | 606.93 | 216.00 | 19.20 | .00 | 7511.84 | DR | ||
564.27 | 11.20 | 80.00 | 35.73 | 77.87 | 59.73 | 21.33 | 83.20 | 1.07 | 934.00 | RO |
Appendix V--Water-balance map values (inches)
Clim. zone |
Soil assoc. |
Natural growth | Non-irrigated values | Irrigated values | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PCP | SD | AE | DR | RO | PCP | SD | AE | DR | RO | PCP | SD | AE | DR | RO | ||
Hud-Hud | CFT | 18.88 | 5.63 | 24.28 | .00 | .26 | 18.88 | 3.70 | 19.52 | 2.59 | .27 | .00 | .00 | .00 | .00 | .00 |
DT | 18.88 | 1.59 | 18.30 | 1.54 | .48 | 18.88 | 1.55 | 15.44 | 3.93 | .87 | 34.71 | 1.59 | 30.40 | 4.84 | .94 | |
NaPl | 18.88 | 5.42 | 24.11 | .07 | .27 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | |
PT | 18.88 | 2.52 | 19.43 | 1.28 | .51 | 18.88 | 1.79 | 15.87 | 3.84 | .74 | 34.71 | 2.05 | 31.20 | 4.73 | .86 | |
PC | 18.88 | 3.89 | 22.09 | .22 | .26 | 18.88 | 2.73 | 17.95 | 2.97 | .46 | 34.71 | 3.69 | 33.85 | 3.87 | .66 | |
NF | 18.88 | 5.45 | 23.89 | .00 | .26 | 18.88 | 3.69 | 19.45 | 2.64 | .27 | 34.71 | 5.43 | 36.06 | 3.63 | .45 | |
NC | 18.88 | 5.10 | 23.55 | .00 | .26 | 18.88 | 3.52 | 19.24 | 2.70 | .27 | 34.71 | 4.71 | 35.36 | 3.67 | .46 | |
Hud-Trou | BF | 18.88 | 6.24 | 24.75 | .00 | .26 | 18.88 | 3.89 | 19.81 | 2.49 | .27 | 34.71 | 6.29 | 37.15 | 3.57 | .43 |
PC | 23.08 | 3.59 | 25.07 | .91 | .50 | 23.08 | 2.70 | 19.38 | 5.51 | .84 | 38.91 | 3.10 | 35.50 | 5.71 | 1.15 | |
NaPl | 23.08 | 5.19 | 27.14 | .35 | .57 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | |
PT | 23.08 | 2.38 | 21.68 | 3.05 | .54 | 23.08 | 1.81 | 17.15 | 6.68 | .98 | 38.91 | 1.59 | 32.46 | 7.12 | 1.17 | |
NF | 23.08 | 5.13 | 27.29 | .18 | .55 | 23.08 | 3.58 | 20.68 | 5.05 | .69 | 38.91 | 4.55 | 37.57 | 5.11 | .94 | |
NC | 23.08 | 4.80 | 26.89 | .24 | .55 | 23.08 | 3.43 | 20.51 | 5.11 | .69 | 38.91 | 4.26 | 37.22 | 5.15 | .95 | |
Gr-Trou | PT | 23.08 | 2.44 | 21.45 | 3.29 | .63 | 23.08 | 1.80 | 16.82 | 6-79 | 1.04 | 39.98 | 1.63 | 33.53 | 7.09 | 1.15 |
APC | 23.08 | 2.88 | 22.90 | 2.38 | .52 | 23.08 | 2.08 | 17.25 | 6.39 | .96 | 39.98 | 1.91 | 34.52 | 6.57 | 1.13 | |
NC | 23.08 | 4.90 | 26.78 | .46 | .57 | 23.08 | 3.33 | 20.09 | 5.40 | .77 | 39.98 | 4.22 | 38.18 | 5.58 | 1.02 | |
ZHW | 23.08 | 4.99 | 26.52 | .77 | .58 | 23.08 | 3.36 | 20.06 | 5.38 | .75 | 39.98 | 3.95 | 38.07 | 5.20 | 1.01 | |
FL | 23.08 | 6.10 | 28.36 | .11 | .59 | 23.08 | 3.89 | 21.41 | 5.24 | .70 | 39.98 | 5.47 | 39.52 | 5.03 | 1.00 | |
NF | 23.08 | 5.20 | 27.18 | .38 | .57 | 23.08 | 3.50 | 20.30 | 5.34 | .75 | 39.98 | 4.52 | 38.51 | 5.39 | 1.02 | |
Gr-Buck | APC | 23.52 | 2.77 | 22.80 | 3.76 | .60 | 23.52 | 2.11 | 16.71 | 7.94 | .66 | 39.01 | 1.88 | 31.47 | 8.36 | 1.06 |
Hol | 23.52 | 5.40 | 27.19 | .78 | .75 | 23.52 | 3.59 | 19.81 | 6.03 | 1.06 | 39.01 | 4.74 | 35.82 | 6.51 | 1.34 | |
HU | 23.52 | 5.67 | 27.65 | .33 | .93 | 23.52 | 4.15 | 20.46 | 5.91 | 1.06 | 39.01 | 5.34 | 36.46 | 6.47 | 1.35 | |
PT | 23.52 | 2.46 | 20.40 | 4.74 | .59 | 23.52 | 1.71 | 15.74 | 8.34 | .83 | 39.01 | 1.58 | 30.65 | 8.75 | 1.17 |
Appendix VI--Prediction table
Climatic zone |
Soil assoc. |
Area (acres) |
Native grasses | Alfalfa | Winter wheat | |||
---|---|---|---|---|---|---|---|---|
Deep drainage (in.) |
Deep drainage (acre-feet) |
Deep drainage (in.) |
Deep drainage (acre-feet) |
Deep drainage (in.) |
Deep drainage (acre-feet) |
|||
Hud-Hud | CFT | 9.722 | 0.00 | 0.00 | 2.67 | 2,163 | ||
DT | 52,608 | 1.54 | 6,750 | 0.31 | 1,359 | 4.05 | 17,755 | |
Na-Pl | 37,952 | 0.07 | 221 | 0.00 | 2.74 | 8,666 | ||
FF | 31,354 | 1.28 | 3,345 | 0.04 | 105 | 3.97 | 10,373 | |
PC | 131,846 | 0.22 | 2,417 | 0.00 | 3.07 | 33,731 | ||
NF | 31,942 | 0.00 | 0.00 | 2.72 | 7,240 | |||
NC | 43,718 | 0.00 | 0.00 | 2.79 | 10,164 | |||
BF | 7,750 | 0.00 | 0.00 | 2.57 | 1,660 | |||
Hud-Trou | PC | 29,574 | 0.91 | 2,243 | 0.00 | 5.72 | 14,097 | |
Na-Pl | 12,608 | 0.35 | 368 | 0.00 | 5.27 | 5,537 | ||
PT | 23,936 | 3.05 | 6,084 | 0.91 | 1,815 | 6.90 | 13,763 | |
NF | 21,370 | 0.18 | 321 | 0.00 | 5.24 | 9,331 | ||
NC | 40,762 | 0.24 | 815 | 0.00 | 5.30 | 18,003 | ||
Gr-Trou | PT | 63,866 | 3.29 | 17,510 | 0.91 | 4,843 | 7.05 | 37,521 |
APC | 107,392 | 2.38 | 21,299 | 0.41 | 3,669 | 6.66 | 59,603 | |
NC | 41,088 | 0.46 | 1,575 | 0.00 | 5.62 | 19,243 | ||
ZHW | 3,706 | 0.77 | 238 | 0.00 | 5.62 | 1,735 | ||
FL | 27,078 | 0.11 | 248 | 0.00 | 5.48 | 12,366 | ||
NF | 20,614 | 0.38 | 653 | 0.00 | 5.58 | 9,586 | ||
Gr-Buck | APC | 39,814 | 3.76 | 12,475 | 0.00 | 8.17 | 27,107 | |
Hol | 23,360 | 0.78 | 1,518 | 0.00 | 6.11 | 11,894 | ||
HU | 113,600 | 0.33 | 3,124 | 0.00 | 5.99 | 56,705 | ||
PT | 15,622 | 4.74 | 6,171 | 0.10 | 130 | 8.46 | 11,014 | |
Total | 931,283 (1455.13 mi2) |
87,374 (1.13 in.) |
11,921 (0.15 in.) |
399,257 (5.14 in.) |
Appendix VII--Surface-runoff calculations
(1) | (2) | (3) | (4) | (5) | (6) |
---|---|---|---|---|---|
Climatic zone |
Soil assoc. |
Contributing area | VB runoff estimate for entire soil assoc. (acre feet) |
VB runoff estimate for contributing area col. (5) x col. (3) (acre feet) |
|
Soil assoc. percentage |
Area (acres) |
||||
Hud-Hud | CFT | 88 | 8,561 | 215 | 189 |
DT | 49 | 25,778 | 2,251 | 1,103 | |
Na-Pl | 98 | 37,193 | 854 | 837 | |
PT | 1 | 314 | 1,663 | 17 | |
PC | 4 | 5,274 | 5,358 | 214 | |
NF | 82 | 26,188 | 848 | 695 | |
NC | 21 | 9,180 | 1,160 | 244 | |
BF | 71 | 5,498 | 186 | 132 | |
Hud-Trou | PC | 15 | 4,435 | 2,220 | 333 |
Na-Pl | 100 | 12,608 | 599 | 599 | |
PT | 8 | 1,915 | 1,380 | 110 | |
NF | 51 | 10,902 | 1,317 | 672 | |
NC | 42 | 17,123 | 2,546 | 1,069 | |
Gr-Trou | PT | 16 | 10,220 | 4,380 | 701 |
APC | 6 | 6,444 | 8,967 | 538 | |
NC | 42 | 17,257 | 2,974 | 1,249 | |
ZHW | 46 | 1,708 | 245 | 113 | |
FL | 0 | ||||
NF | 0 | ||||
Total | 200,598 | 8,815 acre feet 3.84 x 108 ft3 0.527 in |
Kansas Geological Survey, Geohydrology
Placed on web Aug. 16, 2010; originally published 1990.
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