崇阳县耕地后备资源土地适宜性评价

Investigation and Evaluation of Cultivated Land Reserve Resources of Chongyang County

耕地后备资源是耕地的重要补充来源,是保障粮食安全的重要资源。由于不同类型的耕地后备资源所具有的自然景观和土壤性质等条件不同,其评价过程中的侧重点也不同。因此,本文基于现有的耕地后备资源评价方法和模型,在国家级耕地后备资源评价项目基础上,依据不同类型耕地后备资源对开垦或复垦的不同要求,对每一类耕地后备资源分别设置一套独立的权重体系,并分别划分土地适宜性等级,以期为崇阳县耕地后备资源的合理开发提供科学客观的指导。

The cultivated land reserve resource is an important supplementary source of cultivated land and it＇s also an important resource for food security. For different types of cultivated land reserve resources has different natural landscape and soil properties,the focus of evaluation process should also be different. Therefore,this article provides a separate set of weighting system for each category of cultivated land reserve resources depending on the different requirements for each type of cultivated land reserve resources based on existing cultivated land reserve resources evaluation methods and models,in order to provide scientific and objective guidance to the rational development cultivated land reserve resources of Chongyang County.