1.
Kumar D, Singh AP, Meena VS. Improvement of Soil Fertility and Rice Productivity with Use of Coal Derived Humic Acid and Mineral Fertilization under Inceptisol of Varanasi, India. IJBSM [Internet]. 2017 Oct. 7 [cited 2024 Apr. 25];8(Oct, 5):692-7. Available from: https://ojs.pphouse.org/index.php/IJBSM/article/view/1176