KUMAR, VINOD, et al. “Complementary Effect of Crop Wastes and Inorganic Fertilizers on Yield, Nutrient Uptake and Residual Fertility in Mustard (Brassica Juncea) - Rice (Oryza Sativa) Cropping Sequence”. The Indian Journal of Agricultural Sciences, vol. 70, no. 2, Mar. 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/27898.