VERMA CK, YADAV RB, DHYANI BP, TOMAR SS. Effect of seed rates and foliar spray of urea on performance of blackgram (Vigna mungo) varieties*. Indian J Agri Sci. 2011;81(9). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/10063