论文部分内容阅读
防治病虫,统一用药金大黄金梨基地原是一般农田,土壤中农药残留及重金属离子含量都很低,已通过国家绿色食品基地认证。从建园第一年起,课题组就强
Prevention and control of pests and diseases, unified drug Golden Golden Pear base was originally a general farmland, pesticide residues in soil and heavy metal ion content is very low, has passed the national green food base certification. From the first year since the park, the group on the strong