Pengaruh Pupuk Batubara Dan Npk Terhadap Waktu Muncul Bunga Dan Produksi Tana…

ABSTRACT Oil palm (Elaeis guineensis Jacq.) is one of Indonesia's main plantation commodities, especially in Riau Province. One of the key factors influencing the productivity of oil palm is the time required for flowering and fruit maturation. This study aimed to evaluate the interaction effects of coal-based fertilizer and NPK fertilizer, and to determine the optimal combination that aff…