Initial performance of Leucaena at a sub-humid mid-altitude location in Ethiopia

africa africa oriental africa south of sahara afrique afrique au sud du sahara afrique orientale agronomic characters arbre arbre d'ombrage clima climat climate climatic zones condiciones ambientales condition de milieu crops cultivos dicotiledoneas dicotyledons east africa economic plants environment environmental conditions environnement feed crops feed legumes humid zones legumes leguminosae leguminosas leguminosas forrajeras leucaena medio ambiente mimosoideae plant establishment plant production plantas plantas forrajeras plantas protectoras plante plante de culture plante de protection plants production productividad productivity profitability protective plants rentabilidad rosales shade trees site factors soil reclamation plants trees zone climatique zone humide