Issiné Agoubli

Optimizing Rhizobium spp. Application for Maximizing Peanut Yield in the Sudanian Climate of Chad

Goalbaye Touroumgaye, Alhadj Markhous Nazal, Issiné Agoubli, Gomoung Doloum, Chérif Ahmat Amine, Minda Mahmat Saleh & Tamtial Ngariban · Journal of Experimental Agriculture International · 2025

Peanut is one of the cash crops in Chad. The impoverishment of agricultural soils in recent years has contributed to its decline in production. The objective of this study is to improve peanut production by introducing microbial biofertilizer (Rhizobium spp.). More specifically,...

Open access Research Article 10.9734/jeai/2025/v47i43362

Determining the Optimal NPK Rate for the Growth and Yield of Voandzou (Vigna subterranea (L.) Verdc.) in the Sudanese Zone of Chad

Touroumgaye Goalbaye, Alhadj Markhous Nazal, Hassan Mansour, Ahmat Amine Cherif, Issiné Agoubli, Tamtial Ngariban & Grace Yassi Solo · International Journal of Plant & Soil Science · 2026

Voandzou (Bambara groundnut, Vigna subterranea (L.) Verdc.) is an underutilised legume in Chad, where production remains largely traditional and technical recommendations for mineral fertilisation are limited. This study evaluated graded NPK (15-15-15) rates to identify an approp...

Open access Research Article 10.9734/ijpss/2026/v38i86251