摘要
玉米、大豆轮作或间作时 ,按现行除草剂处理方法防除杂草易造成上一年使用的除草剂或对方作物地使用除草剂的药害 .为了筛选对玉米、大豆安全 ,成本低 ,除草效果好的两地通用复配剂 ,进行了本试验 .试验结果表明 ,玉米、大豆地两用的乙草胺与扑草净混合处理适宜剂量为乙草胺 ( 5 0 % ) 2 .5kg/hm2 +扑草净 ( 2 5 % ) 5kg/hm2 ,杂草防除效果达 90 %以上 ,对玉米、大豆安全 ,降低除草剂成本 30～ 40元 /hm2 .
At present, to the rotation or intercrop of maize and soybean, the present controlling methods of herbicide easily led to the harmness to the fields or the neighbour. To find out a better mixture, which is safer to the crops and lower cost but a better effect to the weeds,this experiment have done. The results showed, the best proper mix-dosage of acetochlor and prometryn is acetochlor(50%) 2.5 kg/hm 2+ prometryn(25%) 5 kg/hm 2.The effect of killing weeds is up to more than 90%,what's more,it is safe to maize and soybean and reduce the cost of 30～40 yuan per hectare.
出处
《延边大学农学学报》
2001年第4期282-286,共5页
Agricultural Science Journal of Yanbian University
