Summer soybeans must be broadcast

The Huaihuai North region of our province is the main production area for high-protein soybeans in China, where crops such as wheat bran, rapeseed, and summer soybeans are commonly grown. Recently, Zhang Lei, director of the Crop Research Institute at the Provincial Academy of Agricultural Sciences, conducted an on-site investigation of major soybean-producing areas. He advised farmers to use high-quality, specialized seed varieties to improve sowing quality and ensure uniform emergence of seedlings. According to Director Zhang, several excellent soybean varieties have been approved for promotion in our province, including Zhonghuang 13, Qidou 24, Qidou 23, Chen 9765, Qidou 15, Hedou 1, 2, 3, and Chenke 928. New national varieties like Nongda 28, Guanmian 11, 198 Branch, Meng 9449, and Meng 9801 are also being promoted. Farmers who plan to change or save their own seeds should conduct germination tests beforehand. If the germination rate is low, they should increase the seeding amount accordingly. After harvesting rapeseed and wheat, farmers pay close attention to land preparation, plowing, and planting. When water supply is limited, it's advisable to sow immediately. Where possible, rotary tillage, seeding, fertilizing, and weed suppression machines can be used to ensure good sowing quality. Combining cultivation with crop management, farmers are encouraged to apply 3,000–4,000 kg of high-quality farmyard manure per acre, or 20–25 kg of specialized soybean compound fertilizer, or 10–20 kg of diammonium phosphate. Soil testing and customized fertilization techniques should be adopted based on soil test results. The return of straw, controlled nitrogen application, and delayed harvests are also recommended. Farmers must also focus on pest and disease control, as well as chemical weed management. Coated seeds or seed treatment agents, along with chemicals like phoxim and isoflurane, can help prevent underground pests such as wireworms and beetles. Before sowing, a 0.3% solution of 50% carbendazim or 50% thiophanate-methyl can be used to treat seeds and prevent root rot. Before the soybean plants emerge, herbicides like acetochlor can be applied to suppress weeds. A typical application is 50 ml of acetochlor mixed with 50 kg of water per mu. Adding ammonium molybdate to the seed dressing can enhance emergence and nitrogen fixation. Proper plant spacing and density are essential for achieving high yields. Based on germination rates and seedling numbers, precision sowing methods—whether mechanical or manual—should be used. Choosing the right row spacing according to soil conditions and variety characteristics is important. In medium to high fertility soils, a row spacing of 33 cm or 40 cm is typically recommended. The use of wide-narrow row sowing (e.g., 50 cm plus 20–30 cm) helps improve air circulation and light penetration, making full use of the edge effect to boost yield. Appropriate and dense planting is a key strategy for increasing soybean output. Sowing density should be determined based on the biological traits of the variety, sowing method, and soil fertility. Tall, vigorous varieties should be spaced more widely, while compact, early-maturing types should be planted more densely. The principle "fertilize less, plant more in poor land" guides the determination of planting density. Finally, after the soybean seedlings emerge, farmers should inspect them promptly. Seedlings with weak growth or short ridges should be replanted or transplanted with soil and water. After transplanting, ensure that all seedlings are fully established to guarantee a complete stand.

cosmetic raw material

Cosmetic ingredients are too broad a range. Our industry is usually divided into: 1. Basic ingredients, water or oil The main basic ingredients of general skin care products are distilled water or purified water, oil is vegetable oil or animal oil or mineral oil, according to the form of oil: liquid oil, semi-solid fat, solid wax. 2. Added ingredients, functional ingredients or control and adjustment ingredients Functional ingredients are mainly moisturizing, whitening, anti-aging, acne and other effective ingredients, according to different processes, plants as extracts, other organisms as extracts. Control components are preservatives, antibacterial agents, thickeners, emulsifiers, flavors, pigments and so on. Preservatives ensure that the product will not rot and deteriorate, antibacterial agents ensure that the product will not be infected by fungi, thickener to adjust the viscosity and flow variation, emulsifier to determine the product evenly dispersed into another substance, essence and pigment to ensure the stability of product smell and color. So, I don't know if that's what you want to know? Or do you want to know the names, the structures, the properties of the various monomer components, and if you want to know about that you can go to the INCI directory and Cos Dna for details

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