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Veronica E. Manga

Publications (5)

Changes in Soil Physiochemical Properties as a Result of Different land Application Methods of Compost and Fresh Pig Manure

Nkeng J. Junior, Veronica E. Manga, David T. Tiku, Forbin M. Aleanu & Ekuri B. Akom · Asian Journal of Soil Science and Plant Nutrition · 2025

Aims: This study aimed to evaluate the effects of composted and fresh pig manure application via surface and subsurface methods on soil physiochemical properties. Study Design:  A randomized complete block design (RCBD) was used to assess the impact of five different treatments o...

Open access Research Article 10.9734/ajsspn/2025/v11i2538

Variability of Physiochemical properties of Pig Manure with Added Wood Shavings during Open-Air Dumping and Windrow Composting

David T. Tiku, Ngwa M. Ngwabie, Veronica E. Manga & Fabrice L. Yengong · International Journal of Environment and Climate Change · 2023

Background: Effective composting management practice through monitoring of composting governing parameters is very crucial in ensuring the safety and effectiveness of the composting process and hence the quality of the compost. Aims: To assess the variability of the different phy...

Open access Research Article 10.9734/ijecc/2023/v13i82020

Pig Manure Management Practices in Fako Division, Southwest Region of Cameroon: Implications for Greenhouse Gas Emissions

David T. Tiku, Fabrice L. Yengong, Ngwa M. Ngwabie, Veronica E. Manga, Nkeng J. Junior, Etombi L. Ekambi, Romaric H. Samson, Clarisse T. Ginyu, Ebai B. Eyong, Forbin M. Aleanu, Mbongo D. Akama, Roberto M. N. Nwanti & Ekuri B. Akom · Journal of Experimental Agriculture International · 2025

Aims: To investigate pig manure management techniques employed by pig farmers in Fako Division, to identify the socio-economic factors influencing these practices, and to assess their environmental implications, particularly regarding greenhouse gas emissions and pollution risks....

Open access Research Article 10.9734/jeai/2025/v47i63500

Greenhouse Gas Emissions during Windrow Composting and Open-Air Dumping of Pig Manure with Added Wood Shavings

David T. Tiku, Fabrice L. Yengong, Ngwa M. Ngwabie & Veronica E. Manga · International Journal of Environment and Climate Change · 2025

Aims: To evaluate GHG emissions from two common manure management practices in Cameroon; windrow composting and Open-air dumping with and without the addition of wood shavings. Study design: The research employed a controlled experimental design with a comparative approach. Place...

Open access Research Article 10.9734/ijecc/2025/v15i24729

Enhancing Biogas Purity from Livestock Manure Using Desulfurization and CO₂ Scrubbing System

Fabrice L. Yengong, Ngwa M. Ngwabie, Romanus N. Njong, David T. Tiku, Veronica E. Manga, Ndikum A. Elvis, Clarisse T. Ginyu, Wirngo H. Yuven & Romaric H. Samson · Current Journal of Applied Science and Technology · 2025

Aims: This study was aimed at increasing the quality of CH4 thereby reducing the quantity of H2S and CO2 using the desulphurisation and decarboxylation scrubbers respectively. Study Design: This study employed an experimental research design to evaluate the effectiveness of desul...

Open access Research Article 10.9734/cjast/2025/v44i44509