Table 8.
Effect of different CSA-based scenarios on NPK uptake (kg ha−1) during wheat crop growth stages (2 yrs’ mean).
| Scenariosa | Crown Root Initiation | Tillering | Panicle initiation | Harvest |
|---|---|---|---|---|
| N uptake | ||||
| 1 | 1.01Bb | 6.06C | 44.52B | 109.13B |
| 2 | 1.26B | 7.60BC | 49.59A | 124.14A |
| 3 | 2.80A | 7.94AB | 53.41A | 124.21A |
| 4 | 2.44A | 9.65A | 54.35A | 128.53A |
| P uptake | ||||
| 1 | 0.07B | 0.42B | 3.97C | 15.98C |
| 2 | 0.10B | 0.59AB | 4.94B | 20.85B |
| 3 | 0.32A | 0.59AB | 5.74A | 24.50AB |
| 4 | 0.25A | 0.76A | 5.48AB | 25.69A |
| K uptake | ||||
| 1 | 3.53C | 41.33C | 117.11C | 120.00B |
| 2 | 4.48C | 47.60BC | 128.24B | 136.85A |
| 3 | 15.99A | 52.25AB | 134.50AB | 142.64A |
| 4 | 10.96B | 60.53A | 137.72A | 143.28A |
Where; CSA- climate smart agriculture, Sc1: conventional rice-wheat system, Sc2: partial CSA based rice-wheat-mungbean system, Sc3: full CSA based rice-wheat-mungbean system, Sc4: full CSA based maize-wheat-mungbean system.
a
Refer Table 1 for scenario description.
b
Means followed by a similar uppercase letters within each column are not statistically different (P ≤ 0.05, Duncan’s multiple range test).