【摘要】 以上高县农用地分等为例,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,并概述了农用地分等技术流程,评价单元的划分、分等单元质量分值的计算和成果图输出等几项关键步骤。更多还原

【Abstract】 Classification of farmland could improve the speed and accuracy greatly through appling GIS technology.Taking Shanggao county as example,according to the principles of farmland classification,farmland classification quality was studied by GIS technique.Key steps were introduced such as technical routes of farmland classification,grading of evaluating element,calculation of grading parameter and output of final graphs.更多还原