RIVAIE, A. A. Changes in Soil Available Phosphorus, Leaf Phosphorus Content and Yield of Sword Bean (Canavalia ensiformis (L.) DC.) by Application of SP-36 and Phosphate Rock on Acid Upland Soil of East Lampung. JOURNAL OF TROPICAL SOILS, [S. l.], v. 20, n. 1, p. 29–36, 2016. DOI: 10.5400/jts.2015.v20i1.29-36. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/218. Acesso em: 25 aug. 2025.