VERMA, S.K. and IDNANI, L.K. (2013) “Crop water use, nutrient content and uptake as influenced by irrigation and nitrogen management in potato (Solanum tuberosum) – maize (Zea mays) cropping system”, The Indian Journal of Agricultural Sciences, 82(12), pp. 1032–8. doi:10.56093/ijas.v82i12.26250.