The safety interval is the time between the last dose and the harvest. In order to avoid excessive pesticide residues after harvesting of agricultural products, it is necessary to control the safe interval between various pesticides on applicable crops according to the safe use standards of pesticides.
At present, the safety intervals of several pesticides commonly used in rice are as follows: 15 days for Regent, 15 days for insecticidal, 10 days for imidacloprid, 14 days for buprofezin, 7 days for triazophos, 5 days for avermectin, and three The cyclazole was 21 days, the rice blast was 14 days in early rice and 28 days in late rice.
2. Personal protective measures in the application
During the dispensing or application process, necessary protective equipment, such as protective clothing, masks, gloves, etc. must be worn; during the application, diet and smoking should not be allowed; the application personnel should apply the medicine at the upper air outlet, and do not shuttle through the sprayed medicine. During crops; pregnant women and lactating women and children can not participate in dispensing, but can not apply drugs; do not use mouth to blow blocked nozzles, use toothpicks, grass stalks or water to dredge; daily application time can not exceed 6 hours, Shi After the medicine, you should do a good job in personal hygiene, wash your face with cold water or warm water soap, and clean the exposed skin and protective liquid on your hands and face.
3. Management after application
The remaining or unused pesticides should be labelled and returned to the warehouse for children who cannot get them. The drug should be poured out of the remaining pesticides, washed and stored. The syrup and remaining liquid of the cleaning device cannot be poured into the pond and nearby waters. After the application, the irrigation and drainage operations were not carried out for 5 to 7 days in the field, and water leakage was prevented. After the application of the field, especially after the application of highly toxic pesticides, warning signs should be set up to remind people not to enter for a certain period of time to avoid poisoning.
Fully Automatic Traveling Rotary Head Die Cutting Press Machine is used for the cutting of all kinds of small knife molds for leather, football panels, shoes (sole, insole, shoe-pad, upper of the shoe), cloth, masks, toys, etc.
1.The lifting position of pressing board can be freely set to reduce idle travel and enhance work efficiency.
2.The movement of cutting head is controlled by automatic speed variation to realize flexible movement with high speed and accurate positioning and without impact.
3.Differential oil way is adopted to allow rapid and convenient cutting.
4.Special specifications of the product can be customized.
Technical Info
Working pressure: 40T (other type can be customized)
Effective working width: 1650mm/ 1800mm
Punch head moving stroke: 5~150mm (up & down)
Suitable disc size: less than 400mm diameter
Punch cutting speed: 3S/punch
Can load 6 jumbo rolls with air expand shafts & automatic brake system, or simple shaft also available.
Hydraulic press, automatic movement of punch head
Equipped with automatic raw material continuous feeding system.
PLC control system, parameters like feeding length, moving height, transverse distance can be set on machine easily.
We distributes and wholesales various brands of Bonded Abrasives , Abrasive Sanding Disc, Abrasive Flap Disc , Flap Wheels , Flap Disc Backing Pad, Flap Disc Adhesive , and Surface Conditioning Product etc, and enjoy a high position among consumers.
Sanding Disc Machine,Sandpaper Punching Machine,Abrasive Disc Cutting Machine,Automatic Sandpaper Machine
Zhengzhou Jiading Abrasive Manufacturing Co.,Ltd , https://www.jd-abrasives.com