SUWARTO, Suwarto. Reduction of Urea Fertilizer Uses through Application of Livestock Manures in An Integrated Farming of Maize and Cattle. Journal of Tropical Crop Science, [S. l.], v. 5, n. 1, p. 18–24, 2018. DOI: 10.29244/jtcs.5.1.18-24. Disponível em: https://j-tropical-crops.com/index.php/agro/article/view/147. Acesso em: 26 apr. 2025.