PENGARUH PEMBERIAN PUPUK ORGANIK CAIR DAUN GAMAL (Gliricidia sepium (Jacq.) Kunth ex Walp.) TERHADAP PERTUMBUHAN TANAMAN SAWI (Brassica juncea L.) - Oviyanti, Fitri (Faculty of Science and Technology Universitas Islam Negeri Raden Fatah Palembang, 2016)