KOHISTANI, A. W., & CHOUDHARY, A. K. (2019). Influence of applied nitrogen on productivity, profitability and resource-use efficiency in winter barley (Hordeum vulgare) under semi–arid conditions of Afghanistan. The Indian Journal of Agricultural Sciences, 89(4), 741–744. https://doi.org/10.56093/ijas.v89i4.88876