VERMA, SUNIL KUMAR, and L K IDNANI. “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, vol. 82, no. 12, Jan. 2013, pp. 1032–8, https://doi.org/10.56093/ijas.v82i12.26250.