“THE EFFECTIVENESS OF NATURAL PLANT GROWTH REGULATORS (PGRS) FROM BEAN SPROUTS EXTRACT AND NPK 15-15-6-4 ON THE GROWTH OF OIL PALM SEEDLINGS (Elaeis Guineensis Jacq.): EFEKTIVITAS ZPT ALAMI EKSTRAK TOGE DAN NPK 15-15-6-4 TERHADAP PERTUMBUHAN BIBIT KELAPASAWIT (Elaeis Guineensis Jacq.)”. ROCE : Jurnal Pertanian Terapan 3, no. 2 (August 8, 2026). Accessed August 9, 2026. https://jurnal.rocewisdomaceh.com/index.php/roce/article/view/185.