Research Article

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

Table 4

Effect of tillage, irrigation, and nutrient levels on root and fodder yield of sweet potato in rice fallow.

TreatmentRoot yield (kg ha−1)Fodder yield (kg ha−1)
2007-20082008-20092007-20082008-2009

Tillage
Minimum tillage1110092101037010530
Conventional tillage11600120001081012820
LSD ( 𝑃 = 0 . 0 5 )470410NS380

No. of irrigation
39320836083909770
511640107101086011640
713100127501251013630
LSD ( 𝑃 = 0 . 0 5 )500330250330

Nutrient levels (N-P2O5-K2O kg ha−1)
0-0-099909040967010190
37.5-25-37.511530106101077011700
75-50-7512540121801133013140
LSD ( 𝑃 = 0 . 0 5 )340240390260