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旱作农业与节水灌溉发展调研报告

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旱作农业与节水灌溉发展调研报告 **管理区属典型的农牧交错地带，缺水非常严重，素有“十有九旱”之称，农牧业生产频频遭灾，农业经济脆弱，环境恶化，农作物产量低而不稳，饲草短缺，严重制约了项目区农业、畜牧


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