【摘要】 目前农用地分等尚处于研究阶段;以琅岐经济区为例,根据农用地分等的依据和原则,利用GIS技术开展农用地质量分等研究,概述了农用地分等技术路线、评价单元的划分、分等参数的计算和成果图的输出等几项关键步骤。更多还原

【Abstract】 Farmland classification is still in the discussed stage uptodate.This paper,taking Langqi economic Region of Fuzhou as exam-ple,according to the principles of farmland classification,making use of the technique of GIS to study the quality of the farmland,elaborates a few key steps such as the technical routes of farmland classification,the grading of evaluating element,the calculation of grading parameter and output of final graphs etc.更多还原