Outcome Application of Agricultural Land Classification and Graduation on the Protection of Prime Farmland

Defining prime farmland scientifically and reasonably plays a very important function in protecting cultivated land,stabilizing agriculture production and promoting area social-economic sustainable development.At present,emphasizing on quantitative protection,but despising qualitative protection and ecosystem protection is the main problem for protecting prime farmland.In order to realize the quantitative and qualitative management of prime farmland,using outcome of land quality assessment is one of important technology support.The technique idea of agricultural land classification and graduation is summarized.Then the material application way using outcome of land quality assessment to confirm quantity of prime farmland,to confirm space distribution of prime farmland reasonably,and to manage prime farmland in classification way is put forward.