U. S. SAIKIA, B. VENKATSWARLU, G.G.S.N. RAO, G. R. KORWAR, V.U.M. RAO, N. N. SRIVASTAVA, U. K. MANDAL, B. GOSWAMI and MANORANJAN KUMAR 2011. Estimating wheat productivity for north western plain zone of India in relation to spatial-thermal variation. Journal of Agrometeorology. 13, 1 (Jun. 2011), 9–16. DOI:https://doi.org/10.54386/jam.v13i1.1327.