Table 5.
Effect of tillage and crop establishment methods on water use and water productivity in rice-wheat-greengram system (2018–19).
| Treatments | Total water (irrigation + rain) use (m3) |
Water (irrigation + rain) productivity (kg grain m−3) |
Economic water productivity (INR m−3) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R | W | GG | Sys | R | W | GG | Sys | R | W | GG | Sys | |
| RPTR-BCW-ZTG | 11503a | 2658a | 1994a | 16154a | 0.63ab | 1.83bc | 1.08a | 1.26abc | 11.0 | 33.7 | 75.3 | 22.1 |
| LPTR- CTW-ZTG | 11447a | 2530a | 1897a | 15904abc | 0.66a | 1.93bc | 1.17a | 1.38ab | 11.6 | 35.5 | 81.6 | 24.2 |
| CTMTR-ZTW-ZTG | 11708a | 2325a | 1749a | 15776abc | 0.56bc | 2.41a | 1.42a | 1.41ab | 9.8 | 44.3 | 99.0 | 24.7 |
| ZTMTR-ZTW-ZTG | 11471a | 2547a | 1910a | 15928ab | 0.54bc | 1.68bc | 1.11a | 1.20bc | 9.5 | 30.9 | 77.4 | 21.0 |
| SRI-SWI-ZTG | 11963a | 2658a | 1994a | 16614a | 0.52c | 1.46c | 1.05a | 1.12c | 9.1 | 26.9 | 73.2 | 19.6 |
| CTDSR-ZTW-ZTG | 10854b | 2410a | 1808a | 15247bc | 0.67a | 1.98ab | 1.24a | 1.41ab | 11.7 | 36.4 | 86.5 | 24.7 |
| ZTDSR-ZTW-ZTG | 10808b | 2539a | 1904a | 15072c | 0.66a | 1.96ab | 1.28a | 1.45a | 11.6 | 36.1 | 89.3 | 25.4 |
R: Rice; W: Wheat; GG: Greengram; Sys: System.