AMAR SINGH, et al. “Carbon Sequestration and Yield of Rice (Oryza sativa)wheat (Triticum Aestivum) Soils Amended With Different Organic Manures and Tillage Practices”. Indian Journal of Agronomy, vol. 59, no. 2, Oct. 2001, pp. 215-20, https://doi.org/10.59797/ija.v59i2.4567.