Second, strictly according to the safe interval of medication When using pesticides, according to the length of the last period of the last use of drugs, decide the time of the next medication. The general pesticide residual period is 7-10 days. Do not use the same pesticide again during the residual period, which not only increases the cost, but also increases the probability of drug damage and the resistance of pests and diseases. It can not be used for a long time after the residual effect period, otherwise it will cause the survival of the remaining pests in the field. For leafy vegetables to be harvested, the remaining pests and diseases in the field will not be catastrophic before the sale of vegetables. If there is no medicine and can cause disasters, the residual effect period should be short, and the low-residue pesticides should be sprayed and killed. sell.
Third, it is strictly forbidden to use highly toxic and highly toxic pesticides to use highly toxic and highly toxic pesticides. Although it can kill pests in a short time, it can quickly kill, but it also kills the natural enemies of pests and increases the content of harmful substances in vegetables. It is easy to cause poisoning of humans and animals after eating. Therefore, it is forbidden to use highly toxic and highly toxic pesticides on vegetables, especially leafy vegetables, and to promote the use of high-efficiency, low-toxic, low-residue pesticides and biological pesticides.
Fourth, it is forbidden to fight drugs at noon Summer and autumn high temperature season, it is easy to cause phytotoxicity and poisoning, especially at noon.
Besides Slurry pumps, Shijiazhuang Naipu pump Co.,ltd also sell other pumps, such as NP-WQsubmersible sewage slurry pump, NP-IS clean water pumps, NP-QJ deep well pumps and NP-ISW End Suction Pump,etc.
WQ Submersible Sewage Slurry Pump is one subermerisble pumps,is one type horizontal pump for clean water.
Application of submersible sewage slurry pumps:
Deep well pump construction
Shijiazhuang Naipu pump Co.,ltd, with more than 20 years' experiences in slurry pumps and parts, we can produce many type of pumps, welcome to contact with us.
Submersible Sewage Slurry Pump,NP-QJ Deep Well Pump,NP-ISW End Suction Pump, IS Clean Water Pump
Shijiazhuang Naipu Pump Co., Ltd. , https://www.naipu-pump.com