The Rule of Organic Fertilizer on Fertilizer Efficiency and Requirement Rate for Vegetable Crop on Inceptisols Ciherang, Bogor. j Trop. Soils [Internet]. 2009 Sep. 1 [cited 2025 Nov. 16];14(3):221-8. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/89