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Boukar HASSANA
is with the Institut Universitaire de Technologie de l’Université de Ngaoundéré. From 1988 till 1997, I studied at the University of Stuttgart-Hohenheim and Munich-Weihenstephan. My ing.-agr. thesis was about irrigation technologies. Recent research interest are, among others, biogas, waste management, compost and soil degradation.
Dr. Albert Ngakou
is with the ‘Université de Ngaoundéré as a senior researcher. He is specilist of biofertilzers.

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