SYED TALIB M. ANWAR BHAT et al. 2001. Effect of levels and sources of zinc on growth, yield and economics of rice (Oryza sativa) under temperate conditions. Indian Journal of Agronomy. 61, 2 (Oct. 2001), 186–190. DOI:https://doi.org/10.59797/ija.v61i2.4367.