BALAI, Roop Chand; MEENA, L R; SHARMA, S C. Effect of different levels of nitrogen and phosphorus on cowpea [Vigna unguiculata (L.) Walp] under rainfed conditions of Rajasthan. Journal of Agriculture and Ecology, [S. l.], v. 3, n. 3, p. 19–24, 2017. Disponível em: https://saaer.org.in/journals/index.php/jae/article/view/27. Acesso em: 1 oct. 2026.