Table 5.
Effect of different CSA-based scenarios on Dehydrogenase activity (μg TPF /g soil/24 h) during wheat crop growth stages (2 yrs’ mean).
| Scenariosa | Sowing | Crown Root Initiation | Tillering | Panicle initiation | Harvest |
|---|---|---|---|---|---|
| Surface soil (0−15 cm depth) | |||||
| 1 | 92.69Ab | 47.56D | 99.02B | 98.77B | 69.50B |
| 2 | 60.90B | 61.36C | 117.87A | 114.48A | 84.72A |
| 3 | 71.54B | 77.56B | 109.95AB | 104.59AB | 83.52A |
| 4 | 70.75B | 102.62A | 116.33A | 111.35A | 69.11B |
| Sub-surface soil (15−30 cm depth) | |||||
| 1 | 33.51B | 30.59C | 39.23C | 35.86B | 38.40C |
| 2 | 60.35A | 54.04A | 66.81A | 44.34A | 56.05A |
| 3 | 39.49B | 47.48AB | 54.02B | 48.96A | 49.73AB |
| 4 | 33.04B | 38.96BC | 41.99C | 47.09A | 44.08BC |
| Main effects | P- value | |
| Scenario (S) | <0.05 | |
| Depth (D) | <0.05 | |
| Growth stage (GS) | <0.05 | |
| Year (Y) | <0.05 | |
| Interaction effects | ||
| GS × S | <0.05 | |
| S × Y | <0.05 | |
| GS × Y | <0.05 |
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).