Effect Application of Sea Sand, Coconut and Banana Coir on the Growth and Yield of Rice Planted at Ustic Endoaquert Soil - Nurdin, .; Agrotechnology Department, Faculty of Agriculture, Gorontalo State University Jl. Jend. Sudirman No.6 Kota Gorontalo 96122, Indonesia. (UNIVERSITY OF LAMPUNG, 2015)