Computer · Irrigation Engineering
The field capacity of a soil is 25%, its permanent wilting point is 15%, and the specific dry unit weight of the soil is 1.5. If the depth of the root zone of a crop is 80 cm, the available water storage capacity of the soil is:
- 18 cm
- 214 cm
- 312 cm✓
- 410 cm
Correct answer
12 cm
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