Effect of Premium Compost on Soil Carbon Microbial Biomass in Pineapple Plants on Marginal Land Central Lampung. j Trop. Soils [Internet]. 2024 Nov. 21 [cited 2025 Nov. 6];29(3):135-41. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/626