نتایج جستجو برای: water development
تعداد نتایج: 1916440 فیلتر نتایج به سال:
Historically, access to water resources had always been a key issue in the formation and perpetuation of ancient cities, more importantly in the arid and semi-arid regions like the central plateau of Iran. Based on the environmental situations, Persian civilization considered ecological realities and social interaction of conservation and proper distribution of the water to sustain its availabi...
Abstract Water availability significantly affects development of agriculture, industry and urban services. Thus, the water industry is among the fundamental industries. Yet, most countries, especially developing countries, are suffering from water deficit, water pollution and flood hazards. These problems are more severe in Iran due to improper management of water resources. Integrated water ...
ABSTRACT- To investigate the effect of draught stress on water relations, stomatal density, chlorophyll content and yield of rapeseed, an experiment was done with four levels of drought stress including L1 (Field Capacity, FC), L2 (70% Available Water Content, AWC), L3 (50% AWC), and L4 (30% AWC), within three growth stages- including stem elongation (T1), onset of flowering (T2) and silique fo...
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