Purwati. Effect of Chicken Manure and Organic Liquid Fertilizer on Growth Sea Horse Star Seed Cocoa (Theobroma Cacao L): Pertumbuhan Bibit Kakao (Theobroma Cacao L) Pada Pemberian Pupuk Kandang Ayam Dan Pupuk Organik Cair Bintang Kuda Laut . agri. j. ilmu. pertan. 2014, 3, 24-30.