Table 1.
Irrigation scheduling and Rainfall received during the experimentations.
| Crop type/crop season | Irrigation scheduling treatments | No of irrigations given | Quantity of irrigation water applied (mm) | Quantity of irrigation water (Lakh liters) | Rainfall during the crop period (mm) | % of the annual rainfall |
|---|---|---|---|---|---|---|
| Plant crop/2013–2014 | I100: Full irrigation at recommended intervals with 100% crop ET replacement | 30 | 1470.0 | 147.0 | 356.0 | 51.0 |
| I75: Deficit irrigation scheduling at recommended intervals with 75% crop ET replacement | 30 | 1857.0 | 185.7 | |||
| Ratoon (I)/2014–2015 | I100: Full irrigation at recommended intervals with 100% crop ET replacement | 22 | 1031.0 | 103.1 | 537.0 | 77.0 |
| I75: Deficit irrigation scheduling at recommended intervals with 75% crop ET replacement | 22 | 1375.0 | 137.5 | |||
| Ratoon (II)/2015–2016 | I100: Full irrigation at recommended intervals with 100% crop ET replacement | 20 | 783.6 | 78.4 | 679.0 | 98.0 |
| I75: Deficit irrigation scheduling at recommended intervals with 75% crop ET replacement | 20 | 1038.0 | 103.8 | |||
| Plant crop/2019–2020 | I0: Full irrigation at recommended intervals with 100% crop ET replacement, | 31 | 1289.2 | 128.9 | 832.4 | 123.5 |
| I1: Deficit irrigation scheduling at recommended intervals with 50% crop ET replacement | 31 | 760.7 | 76.1 | |||
| I2: Deficit irrigation scheduling by skipping alternate irrigations with 50% crop ET replacement | 22 | 651.6 | 65.2 | |||
| Plant crop/2020–2021 | I0R1: Full irrigation at recommended intervals with 100% crop ET replacement, | 31 | 1213.3 | 121.3 | 624.3 | 92.6 |
| I1 R1: Deficit irrigation scheduling at recommended intervals with 50% crop ET replacement | 31 | 860.7 | 86.1 | |||
| I2 R1: Deficit irrigation scheduling by skipping alternate irrigations with 50% crop ET replacement | 22 | 850.8 | 85.1 |
Mean (60 years) rainfall of experimental site: 674.2 mm.