2023. Evaluation on the development of soil fertility gradients with nutrient exhaustive crop (Sorghum bicolor) regard to N, P, and K in Inceptisols in semi-arid regions of Tamil Nadu. Journal of Applied and Natural Science. 15, 3 (Sep. 2023), 1061–1070. DOI:https://doi.org/10.31018/jans.v15i3.4788.