Application of Organonitrofos and Inorganic Fertilizer on Cassava (Manihot Esculenta Crantz) in Ultisol Soil. j Trop. Soils [Internet]. 2016 Sep. 9 [cited 2025 Oct. 29];20(3):167-72. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/234