Okereke, Chukwu Nkumah

Ecological Characterization and Indices of Degradation in Two Watersheds of Southeastern Nigeria

Okoro, Ogochukwu Grace, Ekwealor, U. Kenneth, Iroka, Chisom Finian, Okereke, Chukwu Nkumah, Onyili, Consolata Ada, O. Nwakuche, Adaugo, Okereke, Kingsley Eze & Nwaogaranya, Patrick Uche · Asian Journal of Geographical Research · 2026

Watershed degradation, driven by anthropogenic activities, threatens ecosystem services and biodiversity in southeastern Nigeria. This study quantified the ecological status of two watersheds in Awka, Anambra State, by evaluating vegetation structure, biodiversity indices, and so...

Open access Research Article 10.9734/ajgr/2026/v9i1376

Efficacy of Organic and Inorganic Soil Amendments on the Growth of Indigenous Vegetables: Implications for Watershed Restoration in Southeastern Nigeria

Okoro, Ogochukwu Grace, Ekwealor, U. Kenneth, Iroka, Chisom Finian, Okereke, Chukwu Nkumah, Okereke, Kingsley Eze, Nwaogaranya, Patrick Uche, Onyili, Consolata Ada & Nwakuche, Adaugo O · Asian Soil Research Journal · 2026

Restoring degraded watersheds requires strategies that rebuild soil fertility and promote vegetative cover. This study evaluated the effectiveness of organic (poultry manure) and inorganic (NPK 15:15:15) soil amendments in enhancing the growth of two indigenous, nutrient-responsi...

Open access Research Article 10.9734/asrj/2026/v10i1226