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新疆耕地和粮食灰色关联分析
Authors
杨德刚
蔡文春
Publication date
1 January 2007
Publisher
Abstract
收集整理1949—2003年新疆耕地、人口与粮食等资料,定量分析耕地的数量变化、质量状况。用线性回归法预测人口变化趋势。对粮食生产与其影响因素进行灰色关联分析,分析表明粮食单产、有效灌溉面积对粮食产量的影响最大,农业现代化的影响需要进一步加大,粮食收购价格指数对粮食生产不会有更大的影响。提出增加科技投入提高单产、发展节水农业等挖掘耕地潜力增加粮食产量的途径。为新疆今后农业发展决策提供科学依据
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016