Ahmadi, N M, T K Das, N Nasrat, S S Rathore, and A K Paul. 2020. “Effect of Phosphorus on Yield and Economics of Maize (Zea Mays) under Semi-Arid Conditions of Afghanistan”. The Indian Journal of Agricultural Sciences 90 (2): 439-41. https://doi.org/10.56093/ijas.v90i2.99052.