01 جنوری 2005 This is a reference text bringing together available information on five Annona species, with the aim of identifying gaps in knowledge and thus research needs. With an accompanying extention manual, this will provide opportunities for noth resources-poor as well as small-scale commercial farmers...
Niger (Guizotia abyssinica (L.F., Compositae) is an oilseed crop cultivated in Ethiopia and India. It constitutes about 50% of Ethiopian and 3% of Indian oilseed production. In Ethiopia, it is cultivated on waterlogged soils where most crops and all other oilseeds fail to grow and contributes a...