如何使用细菌农药细菌农药杀虫效率高，不污染环境，不毒害人畜，不伤害天敌，不诱发虫害产生抗药性；但由于细菌农药属生物制剂，其杀虫效果主要与细菌的数量和活性相关，在使用时对气象条件要求很严格。要想提高细菌农药的防效，使用时必须要“四看”。一、看温度。细菌... How to Use Bacterial Pesticides Bacterial pesticides have high insecticidal efficiency, do not pollute the environment, do not poison human beings and animals, do not harm natural enemies, and do not induce pest resistance. However, due to the fact that bacterial pesticides are biological agents, the pesticidal effect is mainly related to the quantity and activity of bacteria , When used in the weather conditions are very strict. To improve the effectiveness of bacterial pesticides, use must be “four to see.” First, look at the temperature. bacterial...