Table 2.
Scenariosa | Net returns (USD ha−1) | Irrigation water use (mm ha−1) | Irrigation water productivity (kg grain m−3) | Energy use efficiency (MJ−1 MJ−1) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Rice/maize | Wheat | System | Rice/maize | Wheat | System | Rice/maize | Wheat | System | Rice/maize | Wheat | System | |
Sc1 | 835BCb | 974C | 1810C | 2173A | 454A | 2627A | 0.30C | 1.21C | 0.42C | 3.95C | 7.44C | 5.05E |
Sc2 | 946AB | 1192A | 2138AB | 1759B | 448A | 2207B | 0.39C | 1.34B | 0.52C | 4.70C | 9.65AB | 6.23D |
Sc3 | 945AB | 1125AB | 2070B | 1753B | 458A | 2211B | 0.38C | 1.28BC | 0.51C | 4.85C | 9.26B | 6.25D |
Sc4 | 741C | 1005BC | 1747C | 316C | 448A | 764CD | 2.25AB | 1.23BC | 2.23AB | 10.81B | 7.84C | 9.25C |
Sc5 | 991A | 1167A | 2158AB | 289C | 403B | 692D | 2.59A | 1.48A | 2.56A | 13.82A | 10.05A | 11.92A |
Sc6 | 935AB | 1140A | 2075B | 359C | 456A | 815CD | 2.06B | 1.29BC | 2.09B | 12.68A | 9.27B | 10.95B |
Sc7 | 985A | 1175A | 2261A | 365C | 451A | 953C | 2.15B | 1.32BC | 2.09B | 12.72A | 9.51AB | 10.26B |
aRefer Table 4 for scenarios description.
bMeans followed by a similar uppercase letters within a column are not significantly different at 0.05 level of probability using Tukey’s HSD test.