نتایج جستجو برای: agricultural production
تعداد نتایج: 683171 فیلتر نتایج به سال:
89 Agricultural production economics research is examined within a broad framework of scientific development and utilization. Recent findings in selected areas of the subdiscipline are examined and opportunities for further fruitful inquiry are identified. A few 'stylized facts' emerge from recent work and suggest the need for much careful hypothesis testing, model exploration, and empirical se...
The research relevance is predefined by the need to find ways increase profitability of agricultural production in difficult economic conditions Ukraine. aims analyse production, influencing factors and determination directions for its improvement. methodological approach based on analysis statistical data changes profitability; method average values – obtain value indicators; comparison compar...
As part of a larger study of mercury (Hg) biogeochemistry and bioaccumulation in agricultural (rice growing) and non-agricultural wetlands in California's Central Valley, USA, seasonal and spatial controls on methylmercury (MeHg) production were examined in surface sediment. Three types of shallowly-flooded agricultural wetlands (white rice, wild rice, and fallow fields) and two types of manage...
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