Question

Determine the Consumptive use (Cu) and Gross irrigation requirement (GIR) for
wheat crop from the following data:
Period of growth 1 nov to 15 march(135 days) na and nc =0.85
Consumptive
Dates &period of Pan
growth
Evaporatiob Ep
Effective
rainfall Re
use coefficient
K
Nov 1-30
15
0.16
0.4
Dec1-31
12.8
0.46
1.6
Jan1-31
9.4
0.73
3.2
Feb 1-28
15.4
0.90
2.2
March 1-15
10.1
0.6​

Answer 1

Answer:

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