解开
发表于 2025-3-23 10:32:42
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
palliate
发表于 2025-3-23 17:06:20
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得罪
发表于 2025-3-23 19:18:49
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
破译密码
发表于 2025-3-23 23:42:48
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
确保
发表于 2025-3-24 04:07:58
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
发表于 2025-3-24 09:02:19
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.
acetylcholine
发表于 2025-3-24 12:48:27
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FLOUR
发表于 2025-3-24 18:03:45
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
的’
发表于 2025-3-24 20:12:38
-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
杀虫剂
发表于 2025-3-25 01:19:17
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