Irrigation practice/Crop

Wheat

Maize

Rice

Wheat

Maize

Rice

Border/Furrow (regulated)

Border/Furrow (unregulated)

Net irrigation (m3)

5820.0

6000.0

7540.0

5820.0

6000.0

7540.0

Gross irrigation (m3)

8310.0

8570.0

10780.0

8310.0

8570.0

10780.0

Water used (m3)

6352.0

6667.0

8173.0

6352.0

6667.0

8173.0

Water applied (m3)

7247.8

6698.0

28900.0

3018.9

5650.0

20210.0

Irrigation efficiency (m3·m−3)

0.88

1.00

0.28

2.10

1.18

0.40

WUP (kg·m−3)

0.40

0.79

0.44

0.25

0.16

0.15

Revenue at farm gate price (US$ ha−1)

330.0

528.0

1404.0

208.0

110.0

468.0

Revenue per unit of water used (US$ m−3)

0.05

0.08

0.17

0.02

0.03

0.06

NR ($ ha−1)

162

321

1184

71

−60

248