NOORI, G. H., CHOUDHARY, A. K., & DASS, A. (2019). Influence of varying nitrogen levels on crop productivity, profitability and resource-use efficiency in Bt-cotton (Gossypium hirsutum) in semi-arid region of Afghanistan. The Indian Journal of Agricultural Sciences, 89(4), 745–748. https://doi.org/10.56093/ijas.v89i4.88877