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耕地整治优先度和模式的科学合理性对土地整治工作有重要意义。本文系统讨论了丘陵沟壑区耕地整治优先度的原则,从自然资源条件、基础设施与工程施工条件、立地条件三方面构建黄土丘陵沟壑区耕地综合条件评价指标体系,以甘肃天水市麦积区为例,运用综合评价系数法和GIS标准分类法确定耕地整治优先度,并分析耕地整治模式。结果表明:(1)麦积区耕地整治优先度评价结果表明所构建的黄土丘陵沟壑区耕地综合条件评价体系具有一定的可行性;(2)根据耕地地块综合条件系数评价结果,划分麦积区耕地整治优先度为优先、一般和限制整治区;(3)运用因素组合法,将麦积区耕地整治模式划分为:“土坎梯地+经济林”、农田水利建设及优化和路林网密织三种模式。
The scientific rationality of priority and mode of arable land remediation is of great significance to land remediation work. This paper systematically discusses the principle of prioritizing cultivated land in hilly and gully areas and constructs an index system of comprehensive evaluation of cultivated land in the hilly and gully regions of the Loess Plateau from the aspects of natural resources, infrastructure, construction conditions and site conditions. Taking the wheat plot of Tianshui City of Gansu as For example, using the method of comprehensive evaluation coefficient and GIS standard classification to determine priority of arable land remediation, and analyzing cultivated land remediation mode. The results showed as follows: (1) The evaluation of priority of arable land in Maiji district showed that the evaluation system of arable land comprehensive evaluation system in loess hilly and gully region was feasible. (2) According to the comprehensive evaluation index of cultivated land plots, (3) Using the method of factor combination, the model of arable land remediation in Maiji District is divided into: “ridge land + economic forest”, farmland water conservancy construction and optimization and road Lin network weaving three modes.