An exploratory survey was undertaken in Doyogena district of Southern Nation Nationalities Peoples region of Ethiopia to understand the sheep production system, the breeding practices, selection criteria and sheep production constraints in order to...
Wild bees, flies, wasps, butterflies and other wild pollinators provide 85% of the pollination services, but in such landscape they don’t find nectar and pollen to cover their needs during the whole year. They also do not have nesting material and...
Les abeilles sauvages, les mouches, les papillons et d’autres pollinisateurs assurent 85% des services de pollinisation. Mais dans ce paysage, ils ne trouvent pas de nectar ni de pollen pour couvrir leurs besoins pendant toute l'année. Ils n'ont pas...
يساهم النحل البري، نحل العسل، الدبابير، الفراشات و الملقحات الحشرية البرية الأخرى في توفير 85 % من خدمة التلقيح. لكن في مثل هذا المنظر، تفتقد هذه الأخيرة إلى الرحيق و حبوب اللقاح طيلة السنة . كما تفتقد أدوات و أماكن التعشيش، و مواقع الإيواء ضد الرياح...
In Ethiopia, one of the poorest countries
in the world, soil erosion by water
contributes significantly to food insecurity
of rural households and represents
a real threat to sustainability of the existing
subsistence agriculture (Hurni 1993...
The semi-arid north-eastern Ethiopia region is characterized by low and variable rainfall. Terminal drought stress is the major constraint for chickpea production in this region. Climate change has also become one of important up growing issue as a...
This paper investigates the impacts of the main primary production factors (e.g. seed, nitrogen, phosphorus, etc.), on the total production of the main crops produced in Egypt (cotton, berseem, maize, rice and wheat), with special emphasis on the...
