7. Gallons of water per pound
Table 17.1
Product
Gallons of water per pound
Wheat
150
Rice
300
Maize 50
Potatoes 19
Soybean
275
Beef
1800
Pork
700
Poultry
Eggs
550
Milk
100
Cheese
600

8. Fig. 17.1

9. Fig. 17.2

10. Fig. 17.3

11. Fig. 17.4

12. Fig. 17.5

13. Fig. 17.6

14. Fig. 17.7

15. Fig. 17.8

16. Fig. 17.9

17. Plant-Available Water Capacity (%)
Table 17.2
Tillage Experiments
Plant-Available Water Capacity (%)
Plow Till
No Till
increase
Silt loam – 33 years
24.4
28.5
17%
Silt loam – 13 years
14.9
19.9
34%
Clay loam – 13 years
16.0
20.2
26%
Rotation Experiment
Continuous corn
Corn after grass
% increase
Loamy sand – 12 years
14.5
15.4 6%
Sandy clay – 12 years
17.5
21.3
22%