Respon Bibit Tanaman Kelapa Sawit (Elaeis Guineensis Jacq.) Fase Main Nursery…

ABSTRACT Oil palm (Elaeis guineensis Jacq.) is a leading commodity in Riau Province. A total of 129,274 hectares of old and damaged oil palm land need rejuvenation which requires quality seedlings. Ultisol planting media, which is commonly used, has low fertility constraints. This study aims to test the influence of humic acid and N, P, K fertilizers and determine the best dose for the growth …