中文摘要：

为了合理开发利用耕地后备资源，以广东省阳江市可开垦土地和可复垦采矿用地为评价对象，通过构建耕地后备资源评价指标体系，采取主导因素“限制性因子”评价法，从自然环境条件方面对阳江市耕地后备资源进行宜耕性评价，并分析各种地类不宜耕的限制性因素，提出耕地后备资源合理利用的建议。

英文摘要：

In order to exploit and utilize the reserve resources of cultivated land rationally, the reclaimed land and recoverable mining land in Yangjiang of Guangdong province were evaluated, through constructing the reserve evaluation index system of cultivated land, by leading factor ＂restrictive factor＂ evaluation method, from the natural environment conditions, the cultivated land reserve resources in Yangjiang were evaluated, the limiting factors of various kinds of unsuitable cultivation were also analyzed, suggestions for rational utilization of cultivated land reserve resources were put forward.