DIDAWAT RK, SHARMA VK, NATH DJ, et al. Impact of long-term integrated nutrient management on productivity, profitability, soil microbial activity and nutrient content ofrice (Oryza sativa) in Assam. Indian J Agri Sci. 2024;94(11):1240–1245. doi:10.56093/ijas.v94i11.151835