q=Research+on+the+implemental+effect+of+grain+floor+price+policy&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=HPJY9742&searchWay0=marc&logical0=AND
rows=10&curlibcode=HPJY9742&searchWay0=marc&logical0=AND
Research on the implemental effect of grain floor price policy