灰色关联分析在吐鲁番市农用地适宜性评价中的应用

Application of Gray Connection Analysis in Suitable Evaluation of Cultivated Land in Turpan

选用新疆吐鲁番市农用地的2518个单元,在DPS统计软件的支持下,用灰色关联分析[1]确定产量与各因子之间的灰色关联值,并结合专家的意见确定各因子的权重,用指数和法确定其得分,然后用聚类分析进行农用地适应性评价,评价出宜农用地的各适应等级。

Choose 2518 Cultivated Land units that used the Turpan of Xinjiang, statistics the support of the software in the DPS, use the certain yield in analysis in gray connection make sure with each factor an opinion for of gray connection value, at joining together expert the power of each factor heavy, use the index number is certain with the method its get a goal, then use developing cluster analysis the Cultivated Land suitability evaluates, evaluating an each orientation of proper Cultivated Land grade.