Bentazone is used as agricultural herbicides.Butachlor for lactam with selective herbicide absorption conduction.Butachlor lactam with a suction-type conductionselective herbicide, can be used to control weeds in rice fields, and barnyard grass, Monochoria grass, grasssignificant effect. This product is mainly through the weeds in the bud and the young secondary root absorption, inhibit protein synthesis in vivo, eventually leading to the death of weeds. Butachlor be only a small amount of rice to absorb and rapidly decomposed in the body metabolism, and thus the resistance of rice have more power.