In the process of crop growth, it is inevitable that some weeds will cause crop growth. The best way to face these weeds is to use herbicides . This article recommends pyrazosulfuron herbicides for everyone, and introduces pyrazosulfonate in detail. Long herbicide.
Pyrazosulfuron (cursor, Mercury) is a sulfonylurea selective paddy herbicide. The active ingredient can be rapidly diffused in water, absorbed by the roots of the weeds and then transmitted to the plant body, rapidly inhibiting the growth of the stems and leaves of the weeds and the roots, eventually leading to complete weeds. It can be used to control annual weeds and some perennial weeds such as ragweed, squash, sedge, sedge, and sedge, which have certain inhibitory effects on valerian and sorghum.
Currently registered for direct seeding rice fields, 10% pyrazosulfuron-methyl WP, 10% pyrazosulfuron-methyl tablets, 10% wettable powder 10-20 g per acre, 3-10 days after sowing, 稗Grass 1.5 leaves mixed with fine soil. Apply medicine to Putian or live field, and ensure that the board is wet or has a thin layer of water. The drug is safer for rice, but the resistance of different varieties of rice to pyrazosulfuron-methyl is quite different. The drug mist and the drainage in the field are harmful to the surrounding broad-leaved crops and should be noted.
When the valerian is more, it is mixed with butachlor, grass, quinclorac and the like, and the control effect is good. It is also possible to directly use a compound containing pyrazosulfuron, such as rice gluten (20% pyrazopyridine WP, containing 1% pyrazosulfuron, 19% propionamide), Shuangyi No. 2 (24 % pyrazopyridine WP, containing 23.6% butachlor, 0.4% pyrazosulfuron).
Black coating is a type of Surface Treatment used to provide a durable, aesthetic and protective finish to metal parts. It is applied to a range of substrates, including steel, aluminum, and titanium, through various processes such as painting, chemical baths or physical deposition.
Black coating provides an attractive, matte finish that reduces glare and reflections. It is commonly used in industries such as automotive, aerospace, and firearms, where aesthetics and durability are essential. The black coating can also be used for functional purposes, such as to reduce friction and wear.
One of the most common types of black coating is black oxide. Black oxide is created through a controlled chemical reaction that forms a layer of black iron oxide on the surface of the metal. This process enhances the corrosion resistance of the substrate and provides a uniform and attractive black finish. Black oxide is also used to provide a matte black finish to gun parts, as well as to increase the conductivity of electrical components.
Another type of black coating is powder coating, which involves applying a dry powder to the surface of the substrate and baking it in an oven. This process creates a durable, weather-resistant finish that is resistant to damage from UV rays and other environmental factors. Powder coating is widely used in the automotive and manufacturing industries, where it provides a long-lasting, high-gloss black finish.
Finally, black coating can also be achieved through physical vapor deposition (PVD). This involves depositing a thin layer of black material onto the substrate through a vacuum chamber. PVD black coatings are very durable, and are often used in high-precision applications such as medical instruments and aerospace components.
In conclusion, black coating is a versatile and effective way to provide a durable, aesthetic, and protective finish to metal parts. Its visual appeal, corrosion resistance, and wear resistance make it a popular choice in a variety of industries and applications. Whether applied through chemical baths or physical vapor deposition, black coating plays an important role in enhancing the performance and longevity of metal parts.
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