SINGH, RAJENDER; KATYAL, S K. Influence of weed-control method under different planting patterns and fertility levels on growth and yield of summer cowpea (Vigna unguiculata). The Indian Journal of Agricultural Sciences, Delhi, India, v. 64, n. 9, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/29466. Acesso em: 29 oct. 2025.