Research Article

Effect of Tillage, Irrigation, and Nutrient Levels on Growth and Yield of Sweet Potato in Rice Fallow

Table 6

Interaction effect of tillage and nutrient levels on sweet potato root yield (kg ha−1) in rice fallow.

Method of tillageNutrient levels (N-P2O5-K2O kg ha−1)LSD
( 𝑃 = 0 . 0 5 )
0-0-037.5-25-37.575-50-75

2007-2008
Minimum102901117011830460
Conventional96901188013250

2008-2009
Minimum8190898010460360
Conventional98801223013890