نتایج جستجو برای: rain fed
تعداد نتایج: 101824 فیلتر نتایج به سال:
introduction: weather features and their variations have an important role in the yield of agricultural products, especially in rain-fed conditions. the main metrological variables that affected yields consist of precipitation, temperature, soil moisture and solar radiation. also, drought is one of the major constraints to production, especially the mid-season drought which occurs during the po...
Rain-fed agriculture is predominantly the primary source of livelihood in sub-Saharan Africa. In Ghana, it employs over 60% population and contributes to about 30% Gross Domestic Product (GDP). Despite relevance rain-fed socioe-conomic development country, studies investigating impacts climate variability on crop yield region are limited. This prevents growth relevant policy frameworks address ...
Water is one of the very important inputs necessary for production food crops hence, security and rural livelihoods are essentially linked to accessibility water. Eighty percent world’s global agricultural land area under rain-fed; this contributes 58% staple foods. In Sub-Sahara Africa (SSA), reliance on rain-fed agriculture high with 97% moisture needs fulfilled mainly by water stored i...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید