Application of Organic Fertilizer Tithonia Plus to Control Iron Toxicity and Reduce Commercial Fertilizer Application on New Paddy Field. j Trop. Soils [Internet]. 2012 Nov. 19 [cited 2026 Jan. 26];17(2):135-42. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/144