Kandali, G. G., Barua, N. G., Basumatary, A., Medhi, B. K., & Karmakar, R. M. (2018). Critical limit of zinc for response of rice to zinc application in acidic soils of Assam. ORYZA-An International Journal of Rice, 55(2). http://epubs.icar.org.in/index.php/OIJR/article/view/81736