Application of Organic Fertilizer Enriched Microbia and Biochar in Various Land Management Systems on Total N, Available P, and Available K in Pineapple Plantations. j Trop. Soils [Internet]. 2026 Sep. 30 [cited 2026 Jul. 17];31(3). Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/723