The delta the total depth of water consumed by crop up to its maturity, the delta of cotton is ____________________?
Correct answer: C. 50 cm
- A. 100 cm
- B. 80 cm
- C. 50 cm
- D. 40 cm
Explanation
Cotton is commonly assigned a delta of about 50 cm, representing its total seasonal water requirement expressed as an equivalent depth. The larger figures are not the standard value used in this irrigation-engineering classification.
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