Titlebook: Harvesting Operations in the Tropics; John Sessions Book 2007 Springer-Verlag Berlin Heidelberg 2007 Ernte.Ernteplannung.Forstarbeiten.Reg

解開(kāi)

When different economies face the same technology set, differences in their local institutional conditions determine the choice of technologies, as well as the timing and duration of the technological transition process. Through the analysis of agricultural technical changes in China and other Asian

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得罪

rce allocation among different users as well as long term decisions with respect to investments in restoration, conservation prevention and developing alternative water supplies. The value of an aquifer and the long-run analysis of groundwater use are strongly correlated to the problem of sustainabi

破譯密碼

rce allocation among different users as well as long term decisions with respect to investments in restoration, conservation prevention and developing alternative water supplies. The value of an aquifer and the long-run analysis of groundwater use are strongly correlated to the problem of sustainabi

確保

ce. Dosi and Tonin (Chapter 2, this volume, Tables 2.8 and 2.9) provide an overview of the importance of groundwater use by sector in southern European countries. While national averages do not account for the strong regional differences in groundwater use, it is apparent that groundwater plays a ke

SMART

ft from the traditional ‘supply-side’ approach (increasing availability/accessibility) towards a more balanced strategy which emphasizes ‘demand-side’ management and conservation of fresh water resources, more attention has been paid to better management of groundwater.

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FLOUR

nt of sustainable water policies. This is especiallytrue in areas, such as many Mediterranean regions, which are alreadyexposed to scarcity problems and which are likely to experienceincreasing competition between freshwater uses and users. Agricultureis an important user of groundwater not only in

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-income countries and generally acceptable and slightly improving in the high-income countries (World Bank, 1992). In Europe, the improvement of drinking water quality has been the single most important cause of the increase of life expectancy (World Bank, 1992). Nevertheless, even in Europe water s

殺蟲(chóng)劑

s to finance) to analyse the efficiency of value chains of high value agricultural commodities in India. It is based on the understanding that agriculture is an integrated system that connects farming with logistics, processing and marketing. Farmer’s welfare being central to any agricultural policy