The modification method is an important means of agricultural land gradation.
修正法是农用地定级的重要方法之一。
It is of great importance to study the specific application of agricultural land gradation outcomes in land management.
由于农用地分等成果在农用地利用和管理中具有广泛的应用价值。
Based on GIS technology, agricultural land gradation was studied applying factor method and modifying method in the centre of Leshan City, Sichuan Province.
以GIS为平台，采用修正法和因素法相结合，对乐山市中区农用地定级进行了研究。
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