Summer is the high season for a variety of crop pests and diseases, and hot and rainy, in order to improve the safety and efficacy of pesticides must pay attention to the following points when applying pesticides:
1. Avoid applying pesticides in rainy days and hot sun; you should choose to apply the medicine from 8:00 to 10:00 in the morning and after 5:00 in the afternoon; when the wind is strong, stop applying the medicine, which may cause uneven application of the medicine. Drug damage.
2. Do not wear chemical fiber clothes, apply pesticides in summer, preferably wear cotton clothes, and wear protective gloves such as gloves and masks.
3. Use clear river water to dilute pesticides. Generally, there are many minerals in the well water and there are many impurities in the sewage. Therefore, it is most suitable to dilute the pesticide with clear river water.
4. Choose fast-acting pesticides, such as chlorpyrifos, dichlorvos, and kelicin. The pesticides are strong and can kill pests within one or two hours after use.
5. According to the toxicity of pesticides, the safe interval of application should be determined; the residual period of high-toxic pesticides is more than one month, and the residual period of high-efficiency and low-toxic pesticides is 7-10 days; whether it is grain, fruits or fruit trees. Before stopping the use of drugs according to the regulations, prevention and control of human and animal poisoning.
6. Select pesticides with strong systemic properties, such as chlorpheniramine, metalaxyl, and dimethoate. After 4-5 hours of use, more than 80% of the active ingredients have been absorbed by the crop, even if it rains. Can kill pests and germs.
7. The adhesion of water-based and wettable powder pesticides is poor. When formulating pesticides, adding 100-150 grams of soy flour or washing powder to each 100 kilograms of liquid can be used as an adhesive to improve the use of pesticides.
More pesticide knowledge , please pay attention to China Pesticide Network
Pyrite as Fillers Used in Steelmaking and Core-Spun Yarn
Steel-making/casting core-clad wire (filling material)
Place of Origin: Henan Luoyang, China
Pyrite, Iron pyrites , pyrites lump, Ferro sulphur, Pyrites powder.
Product Description:
Detailed introduction: Is used as the filling material of cored wires and resulfurization additive agent for steel-making and casting. It is used for adding sulfur element in steel smelting to improve the cutting performance, inoculation effect, graphite shape and mechanical properties of gray pig iron.
Quality:
S: 48%min, FE: 42%min, SIO2: 3.0%max, PB: 0.1%max,
ZN: 0.1%max, AS: 0.1%max, . C: 0.3%max, CU: 0.2%max,
H20: 1.0%max, SIZE: 95%min
Granularity: (0-3)mm/(3-8)mm/(3-15)mm/(15-50)mm or other particle size.
Packing: 25KG/500KG/1000KG/BAG or 1000KG/BAG or other packaging.
Note: if there are special requirements, the product can be customized according to clients` requirements.
Steel-making/casting Core-clad Wire --BXX
Pyrite, Iron pyrites, pyrites lump, Ferro sulphur, Pyrites powder.
LUANCHUAN COUNTY HENGKAI METALLURGICAL MATERIALS SALES CO.,LTD , https://www.pyritechina.com