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Book 1988nkind. Yet the nature and dimensions of these problems have been changing over time. As economic systems have developed, specialization has increased; and this has led to increased interdependences of rural and urban areas, of agricultural and nonagricultural sectors, and of nations. When the InternPAN 发表于 2025-3-29 03:33:21
Introductionlobal levels, not only to alleviate current food problems, but also to prevent future ones. The solutions to current problems must be consistent with the goal of a sustainable, equitable, and resilient world that can meet the food needs of the global population, which is expected to be six billion by 2000.Fallibility 发表于 2025-3-29 09:57:31
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emic to mankind. Yet the nature and dimensions of these problems have been changing over time. As economic systems have developed, specialization has increased; and this has led to increased interdependences of rural and urban areas, of agricultural and nonagricultural sectors, and of nations. When臆断 发表于 2025-3-29 20:15:56
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