SHINDE, A.K., BIRARI, S.P. and JADHAV, B.B. (2013) “Effect of potassium nitrate and urea on growth and yield of cowpea (Vigna unguiculata)”, The Indian Journal of Agricultural Sciences, 64(7). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/29326 (Accessed: 23 October 2025).