[1]
V.B. UPADHYAY and S.K. VISHWAKARMA, “Long-term effect of integrated nutrient management in rice (Oryza sativa)wheat (Triticum aestivum) cropping system”, IJA, vol. 59, no. 2, pp. 209–214, Oct. 2001, doi: 10.59797/ija.v59i2.4566.