insomnia 发表于 2025-3-28 16:31:39
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Meinhard Erben,Wolf G. H. Güntherontaining biological material, and the process by means of which biological materials are produced, processed or used. The member states of the European Union (EU) are required to implement this directive in national law by 30 July 2000.Console 发表于 2025-3-29 01:25:42
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Differing U.S. and European Perspectives on GMOsed corn (maize), cotton, and soybeans. By 1998, more than 500 genetically modified plant varieties were available in the United States, accounting for 28 percent of the areas (2.57 million hectares) planted to maize, soybeans and cotton. Argentina and Canada had each planted an additional 100,000 heantidote 发表于 2025-3-29 07:22:32
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Child Nutrition and Economic Growth in Vietnam in the 1990seconomic growth can further lead to a better nutritional status of a population. Malnutrition rates in Vietnam, in terms of stunting (low height-for-age) in children under 5, have been reduced from 50% in 1992–93 to 34% in 1997–98. Disparities, however, exist between different regions, urban and rur充足 发表于 2025-3-29 16:35:20
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Water Scarcity: Institutional Change, Water Markets, and Privatizationem share the objective of treating water and water services as an economic good, by regulating private inefficient appropriation of open-access resources, and by making the demand for water less independent of users’ willingness to pay for it. The aim of this paper is to provide an overview of these花费 发表于 2025-3-30 05:39:58
Evaluation of the Recreational Uses of Rural Land: A Case Study of the world. Many agri-environmental measures are directly aimed at improving the recreational value of rural land through the provision of direct services or landscape improvement..The aim of this study is to assess the value for the consumers of such recreational improvements. In particular, an