The role of weeds and non-host crops in the survival of Xanthomonas campestris pv. phaseoli in Uganda
Elaboration de guides d aide à la décision en matière de fertilité des sols en collaboration avec les agriculteurs éthiopiens
Formulação de um guia para a tomada de decisões sobre a fertilidade do solo com os agricultores da Etiópia [en línea]
Systems dynamics and heterogeneity: the key to unlocking West Africa`s potential? the case of maize in Nigeria
Msimu wa Kupanda : Targeting resources within diverse, heterogeneous and dynamic farming systems of East Africa. Thesis (Ph.D.)