Table 3 Cost and economic benefits of peanut under different irrigation and N application rates [Values are mean ± standard error, n = 9 (3 × 3; 3 growing seasons and 3 replications per treatment)].

From: Optimization of deficit irrigation and nitrogen fertilizer management for peanut production in an arid region

Treatments

Cost of cultivation (US $ ha−1)

Gross return (US $ ha−1)

Net return (US $ ha−1)

FIN0

1299.0

1466.6 ± 48.3g

167.6 ± 36.2h

FIN10

1301.6

1836.7 ± 50.1e

535.2 ± 39.8f

FIN20

1303.0

2438.2 ± 43.6bc

1135.1 ± 32.7c

FIN30

1304.5

2683.6 ± 63.1a

1379.1 ± 55.2a

DI10N0

1234.5

1459.4 ± 37.9g

224.9 ± 28.4h

DI10N10

1237.0

1882.6 ± 41.2e

645.5 ± 37e

DI10N20

1238.5

2395.2 ± 42.6cd

1156.7 ± 31.9c

DI10N30

1239.9

2516.5 ± 64.6b

1276.7 ± 39.4b

DI20N0

1171.1

1398.1 ± 51.0g

227.1 ± 38.2h

DI20N10

1173.6

1819.4 ± 62.1e

645.8 ± 44.1e

DI20N20

1175.1

2318.9 ± 64.5d

1143.8 ± 46.2c

DI20N30

1176.5

2461.9 ± 65.2bc

1285.4 ± 52.3ab

DI30N0

1107.7

1267.6 ± 50.1h

159.9 ± 37.6h

DI30N10

1110.2

1658.7 ± 61.2f

548.5 ± 40.2ef

DI30N20

1111.7

1868.2 ± 54.8e

756.5 ± 41.1d

DI30N30

1113.1

1906.1 ± 70.9e

793.0 ± 43.2d

DI40N0

1043.1

985.0 ± 54.6i

-58.1 ± 20.9i

DI40N10

1045.7

1289.1 ± 55.4h

243.5 ± 41.5h

DI40N20

1047.1

1416.6 ± 48.3g

369.5 ± 36.2g

DI40N30

1048.6

1434.4 ± 56.9g

385.8 ± 37.5g

DI50N0

979.7

645.2 ± 48.6k

-334.6 ± 36.4j

DI50N10

982.3

847.5 ± 52.1j

-134.7 ± 39.0i

DI50N20

983.7

913.9 ± 50.0ij

-69.8 ± 27.5i

DI50N30

985.2

912.4 ± 46.4ij

-72.9 ± 24.8i

  1. Values within a column for each variable followed by different letter/s are significantly different at P < 0.05 level. The details of treatments are given in Table 1.