Effect of Spacing and Nutrient Levels on Bt Cotton

摘要

An investigation was carried out at Tamil Nadu Agricultural University, Coimbatore during winter 2008-09, under irrigated condition to study the influence of spacing and nutrient levels on the growth and yield of three recently released Bt cotton hybrids. The experiment was laid out in a split plot design and replicated thrice. Treatments consisted of three Bt hybrids H_1 H_2 and H3, (Gowri, Ishwar and Bunny), two spacings S_1 and S_2 (90 x 45 and 90 x 60 cm) and two fertilizer levels F_1 and F_2 (12