By monitoring and analysis of the air, water, soil and crops (rice, wheat), we know that the pollution degree is obviously improved, especially obvious reduction of heavy metals in soil and crops.

• 通过对大足县大气、水质、农田土壤和农作物(水稻、小麦)的监测分析可知,污染程度都有比较明显的改善,特别是重金属在土壤和农作物中的含量有着显著的降低。