GEETHA, V.; VARUGHESE, Kuruvilla. Response of vegetable cowpea to nitrogen and potassium under varying methods of irrigation. Journal of Tropical Agriculture, [S. l.], v. 39, n. 2, p. 111–113, 2006. Disponível em: https://jtropag.kau.in/index.php/ojs2/article/view/35. Acesso em: 2 may. 2024.