“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”, JES, vol. 11, no. 1, pp. 1–13, Jun. 2022, doi: 10.20956/ecosolum.v11i1.19556.