论文部分内容阅读
施药时间的选择就防治鼠害药剂处理选择的时间而言,药剂处理方法基本上可分为应急性防治和预防性防治2种,但有时这二者之间难以区分。例如在甘蔗田里可以始终认为存在着相当程度的鼠害,因此药剂处理既有应急防治又有预防防治的作用。一般说来,预防性防治处理是定期的作业,而应急性防治处理则是根据鼠情而不定期进行的作业。
The choice of pesticide time The choice of pesticide treatment time, the pharmaceutical treatment methods can be divided into two kinds of emergency prevention and preventive control, but sometimes difficult to distinguish between the two. For example, in sugarcane fields, it is always considered that there is a considerable amount of rodent pests, and therefore, both the emergency treatment and the preventive and curative effects of the agent treatment are taken. In general, prophylactic control is a regular operation, and emergency control is based on occasional rodent tasks.