HAKIM, N.; ., A.; MALA, Y. Application of Organic Fertilizer Tithonia Plus to Control Iron Toxicity and Reduce Commercial Fertilizer Application on New Paddy Field. JOURNAL OF TROPICAL SOILS, [S. l.], v. 17, n. 2, p. 135–142, 2012. DOI: 10.5400/jts.2012.v17i2.135-142. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/144. Acesso em: 1 aug. 2025.