Roger Darman Djoulde

Impacts of Market Gardening Activities on Land Use in the Meskine Area, Far North Cameroon

Romuald Nandop Djomo, Roger Darman Djoulde, Ignatchimbie Bethlehem, Jacky Victoire Tchouanguep & Toukap Justin Notang · International Journal of Plant & Soil Science · 2026

Human activities significantly alter land use, leading to changes in the natural environment. This impact necessitates providing authorities with land cover maps and information on their current state and dynamics. It is with this in mind that an impact study of market gardening...

Open access Research Article 10.9734/ijpss/2026/v38i56074

Influence of Sublethal Temperatures on Some Spore-forming and Vegetative Foodborne Bacteria and Impact on Hygienic Quality of the “Foléré” (Hibiscus sabdariffa) Beverage

James Ronald Bayoï, Roger Darman Djoulde, Flaure Essoung Ehawa & Francois-Xavier Etoa · Microbiology Research Journal International · 2019

Aims: “Foléré” beverage is a refreshing locally made drink much appreciated by the populations of the hottest parts of Cameroon. This paper aims at investigating microbial contamination of “Foléré” beverage and highlights impact of the sublethal temperatures on the hygienic quali...

Open access Research Article 10.9734/mrji/2019/v29i630180