SHINDE, A K, S P BIRARI, and B B JADHAV. “Effect of Potassium Nitrate and Urea on Growth and Yield of Cowpea (Vigna Unguiculata)”. The Indian Journal of Agricultural Sciences 64, no. 7 (April 29, 2013). Accessed July 4, 2026. https://epubs.icar.org.in/index.php/IJAgS/article/view/29326.