نتایج جستجو برای: technical agronomic factors

تعداد نتایج: 1228540  

Using mariculture data from China’s nine coastal provinces from 2003 to 2015, this paper first evaluates the technical efficiency through data envelopment analysis (DEA). Then, this paper analyses the spatial spillover effect of technical efficiency and its influencing factors with a spatial panel Durbin model (SDM). The results indicate that there are obvious regional differences in the techni...

Journal: :Agriculture 2021

This paper aims to analyse the technical efficiency (TE) of dairy farms and find its determinants. To accomplish this problem, Stochastic Frontier Analysis was applied. The data were obtained from Farm Accountancy Data Network database for (TF15-45—Specialist dairying) 2004–2019. Dairy divided into four clusters according their physical size (number livestock units per farm) economic (standard ...

Journal: :Ultrasound in Obstetrics and Gynecology 2006

Journal: :The American naturalist 2010
Stanley H Faeth

Fungal endophytes and their grass hosts have attracted growing research interest as systems in which to examine the ecological and evolutionary consequences of maternally inherited symbioses. The lion’s share of research for these endophytic symbioses has been focused on Neotyphodium endophytes in three introduced agronomic grasses (but especially one, tall fescue; see Faeth and Saikkonen 2007;...

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