GIS analysis on the environment quality of green food production base in Qing''an County
庆安县绿色食品产地环境质量的GIS探析

The environment quality of green food production base in Qing'an County,Heilongjiang Province was(analyzed.)(The) results show that according to(the) national standard,the environment quality in this area does not be(subjected) to the pollution and reaches the standard of an Alevel green food base,as for its northwest and southeast parts,the environment has a tendency of degradation in quality.