Paudyal, Som Prasad, and V.N.P. Gupta. “Substitution of Chemical Fertilizer Nitrogen through Rhizobium Inoculation Technology”. Our Nature 16, no. 1 (December 31, 2018): 43–47. Accessed May 18, 2024. https://nepjol.info/index.php/ON/article/view/22121.