SHUKLA, U N, et al. “Effect of Crop Geometries and Fertility Levels on Growth, Yield and Residual Nutrients of Cotton (Gossypium Hirsutum) Hybrids under Rainfed Condition*”. The Indian Journal of Agricultural Sciences, vol. 84, no. 6, June 2014, pp. 780–3, https://doi.org/10.56093/ijas.v84i6.41490.