MAHAVISHNAN, K.; PRASAD, Mangal; BHANU REKHA, K. Integrated nutrient management in cotton-sunflower cropping system in the sandy loam soils of north India. Journal of Tropical Agriculture, [S. l.], v. 43, p. 29–32, 2006. Disponível em: https://jtropag.kau.in/index.php/ojs2/article/view/129. Acesso em: 28 apr. 2024.