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近几年来,人们在玉米田上使用除草剂的情况越来越普遍。然而有不少用户询问,同样购买的除草剂,一块田使用了效果很好,另一块田使用了效果却很差,是什么原因。其实,出现这种现象的原因,除了除草剂产品本身的质量差异外,主要还受到其他很多外界因素的影响。具体有以下几种因素:1.喷施除草剂过晚。目前,大家所使用的除草剂一般掌握在玉米2~5叶期、杂草2~3叶期以前施药,用药时间过晚,会导致草龄过大,用药不足,药效受到严重影响。2.施药方法不当。如果在喷施玉米除草剂时仍像喷施其他药剂一样采
In recent years, the use of herbicides in corn fields has become more common. However, many users ask, the same purchase of herbicides, a field using a very good effect, another field using the effect is poor, what is the reason. In fact, the reason for this phenomenon, in addition to the quality difference of the herbicide product itself, is mainly affected by many other external factors. There are several specific factors: 1. Spraying herbicide too late. At present, the herbicides used by all of us are generally in the period of 2 to 5 leaf stages of corn and 2 to 3 leaf stages of weeds. If the medication time is too late, the grass age will be too large and the medication will be insufficient and the efficacy will be severely affected. 2. improper application method. If sprayed with corn herbicide, it is still like other chemicals sprayed