VERMA, C K; YADAV, R B; DHYANI, B P; TOMAR, S S. Effect of seed rates and foliar spray of urea on performance of blackgram (Vigna mungo) varieties*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 81, n. 9, 2011. DOI: 10.56093/ijas.v81i9.10063. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/10063. Acesso em: 13 jul. 2026.