ROY, ARKAPRAVA, et al. “Effect of Enriched Biochar Based Fertilizers on Growth, Yield and Nitrogen Use Efficiency in Direct-Seeded Rice (Oryza Sativa)”. The Indian Journal of Agricultural Sciences, vol. 91, no. 3, July 2021, pp. 459–463, https://doi.org/10.56093/ijas.v91i3.112534.