40%地阿悬浮剂防除夏玉米田杂草试验

Tests on Efficiency of Dia 40 SC Mixture against Weeds in Summer-grown Corn Field

４０％地阿悬浮剂是由地乐胺与莠去津两种除草剂复配而成，对夏玉米田杂草具有很好的防除效果。试验结果表明，每公顷用药２２５０克、３０００克和３７５０克，除草效果均达９０％以上，显著高于地乐胺、莠去津两个对照药剂。地阿防除夏玉米田杂草，每公顷用量以２２５０克为宜。

The Dia 40 SC is a new mixture of dibutralin and atrazine.The results showed that this herbicide had a good effect on control weeds in summer-grown corn field and the control efficiency reached above 90% at the dosages of 2250g/ha,3000g/ha and 3750g/ha,which was significently better than those by using conventional herbicides,such as dibutralin and atrazine.The lowest dosage(at 2250g/ha)of Dia tested was recommended for weeds control in summer-grown corn field.