Study on controlling weeds in soybean land by covering soil surface with sprays of 50 ec of prometryne , 2 , 4 - d and acetochlor between sowing and emergence 乙183 ;二183 ;扑乳油播后苗前土壤封闭防除大豆田杂草田间药效试验
The results showed the 40 % fomesafen - harness suspension emulsion was safe to soybean field and has good control effect to graminaceous weeds and broadleaf weeds and can not influence the yield of soybean 结果表明： 40 %虎乙悬浮乳剂对大豆田安全对单、双子叶杂草有较好的防治效果，对大豆产量无影响。
Among the insecticides tested , 25 % thiamethoxam wdg and 5 % fipronnil sc gave best results in terms of maximum mortality of this pest in cotton and soybean crops . conclusion piemarker as a trap plant in cotton and soybean field can play an important role in the integrated management of b . tabaci 基于播种期、种植方式和配套合理的药剂防治的苘麻诱集方法对生态调控棉田和大豆田中的烟粉虱发挥了积极的作用。
In order to reduce the influence of herbicide to environment , and improve the safety of using herbicide , a new form 40 % fomesafen - harness suspension emulsion was sprayed before germination , and was compared the safety , weed control effect and yield with other herbicides 摘要为减少除草剂对环境的影响，提高除草剂使用安全性，本文以新剂型40 %虎乙悬浮乳剂播后苗前施药，与大豆田常用除草剂进行安全性、除草效果及产量比较。
