Gebi Hiskia, Akhmad Sopian, Mahdalena. THE EFFECT OF UREA, KCl, SP-36 FERTILIZER ON PRODUCTION AT SOME AGE OF NATURAL RUBBER PLANT (Hevea brasiliensis Mull.Arg): PENGARUH PUPUK UREA,KCl,SP-36 TERHADAP PRODUKSI PADA BEBERAPA UMUR TANAMAN KARET ALAM (Hevea brasiliensis Mull.Arg) . agri. j. ilmu. pertan. [Internet]. 2022 Jul. 30 [cited 2026 Apr. 25];11(1):55-60. Available from: https://ojs.uwgms.ac.id/index.php/agrifarm/article/view/1510