高原 发表于 2025-3-30 08:59:50

Institutional Responses to the 1987-92 California Drought00 acres (161,943 ha) of farmland were idled by the drought in 1991. Although the severity of the drought lessened in February and March 1992, significant idling of farmland is still expected for parts of California’s fertile Central Valley (Rich, 1992a; California Department of Food and Agriculture, 1992).

衍生 发表于 2025-3-30 14:37:29

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信条 发表于 2025-3-30 19:24:33

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昏暗 发表于 2025-3-31 00:19:35

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不利 发表于 2025-3-31 04:37:57

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Collar 发表于 2025-3-31 05:22:37

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查看完整版本: Titlebook: Drought Assessment, Management, and Planning: Theory and Case Studies; Theory and Case Stud Donald A. Wilhite Book 1993 Springer Science+Bu