D.M. HEGDE, S.N. SUDHAKARA BABU, A. AZIZ QURESHI, and I.Y.LN. MURTHY. 2001. “Enhancing Nutrient-Use Efficiency in Crop Production - A Review”. Indian Journal of Agronomy 52 (4): 261-74. https://doi.org/10.59797/ija.v52i4.4937.