Response of Sweet Corn and Pop Corn to Row Spacings and Fertility Levels
2010
Venkateswarlu, S. | Reddy, P Raghuram
Sweet corn (80 days duration) and pop corn (90 days duration) can be grown in Telangana region of Andhra Pradesh where the monsoon season extends up to 120 days. Two field trials were conducted for three years (1997–99) to identify suitable management practices consisting of three planting patterns (S₁-75x20 cm; S₂60x20 cm; S₃-45x20 cm) and two fertility levels (F₁=40 N + 20 P₂O₅ kg ha⁻¹ and F₂ = 60 N + 40 P₂O₅ kg ha⁻¹). Results of the experiments showed that on an average higher yields in sweet corn (1782 kg ha⁻¹)and pop corn (2692 kg ha⁻¹) were obtained at higher dose (F2) of fertilizer compared to sweet corn (1615 kg ha⁻¹) and pop corn (2421 kg ha⁻¹) grown under lower dose of fertilizer at 60x20 cm row spacing. The increase in grain yield was mainly attributed to increase in grain number per unit area.
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