Pola Sebaran Retensi dan Ketersediaan Hara pada Toposekuen Lahan Jagung di Desa Pilolaheya, Kabupaten Bone Bolango: Distribution Patterns of Retention and Nutrition Availability at Maize Land Toposequens in Pilolaheya Village, Bone Bolango Regency. (2022). Jurnal Ecosolum, 11(1), 1-13. https://doi.org/10.20956/ecosolum.v11i1.19556