Research Article
Effect of Tillage, Irrigation, and Nutrient Levels on Growth and Yield of Sweet Potato in Rice Fallow
Table 7
Interaction effect of irrigation and nutrient levels on sweet potato root yield (kg ha−1) in rice fallow.
| | Number of irrigation | Nutrient levels (N-P2O5-K2O kg ha−1) | LSD
() | | 0-0-0 | 37.5-25-37.5 | 75-50-75 |
| | 2007-2008 | | 3 | 7270 | 8200 | 9490 | 590 | | 5 | 8950 | 10730 | 11230 | | | 7 | 10750 | 11650 | 14400 | |
| | 2008-2009 | | 3 | 7010 | 8180 | 9900 | 450 | | 5 | 8940 | 11370 | 11830 | | | 7 | 11160 | 12280 | 14810 | |
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