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, [S. l.], v. 3, n. 2, 2026. DOI: 10.71275/roce.v3i2.185. Disponível em: https://jurnal.rocewisdomaceh.com/index.php/roce/article/view/185.. Acesso em: 9 aug. 2026.