Herbicide classification: use according to classification. Soil treatment agent also known as pre-emergence sealant applied to the soil, and to play a role in weeding the weeds by the root, coleoptile or hypocotyl other parts of the absorption, can not unearthed controlling weeds in rice fields in Zhejiang herbicides, have been unearthed The weeds worse, usually before crop sowing or transplanting seedlings Front administration after sowing. Herbicide injury prevention: if serious poisoning plots, plots should be exposure, Xinxiang deep plowing rice paddies after leaching herbicides, no effect after planting, then washed or irrigation. Or grow a small amount of sensitive crops, observed 10-15 days. Strengthen field management. When light injury, promptly topping or removal of affected parts Luoyang Adding fertilizer available herbicides in rice fields, and reasonable irrigation; serious, tilling the land, reseed or replant.