SHRIKANT CHITALE, et al. “Long-Term Organic Nutrient Management in High Value Rice (Oryza sativa)potato (Solanum Tuberosum) Onion (Allium Cepa) Cropping System in Chhattisgarh”. Indian Journal of Agronomy, vol. 60, no. 2, Oct. 2001, pp. 197-04, https://doi.org/10.59797/ija.v60i2.4462.