HRIDYA, A C, and G BYJU. “Effect of Chemical Fertilizers and Microbial Inoculations on Soil Properties in Cassava (Manihot Esculenta) Growing Vertisols of Tamil Nadu”. The Indian Journal of Agricultural Sciences, vol. 84, no. 7, July 2014, pp. 860–6, https://doi.org/10.56093/ijas.v84i7.42008.