Introduction of sweet potato seedlings

Sweet potato seedlings in open fields are made directly from open air using natural temperatures where the ground temperature gradually rises in the spring. The advantage is that the method is simple, the area is not limited, and management is labor-saving, without warming and heat-retaining equipment, and cultivating strong and prosperous. This method is more suitable for small-scale family education. Seedbeds are in the form of flat rakes and stilts. Generally choose the terrain Gaozao, fertility fertility, loose soil, well drained, close to the source of the water, the spring ground temperature is stable, and after the temperature is higher than 10 °C, for squatting, according to 33 cm ridge spacing ditch, pouring foot bottom water, Shun The runners were planted in rows with 3 cm of earth, and they were immediately ventilated after emergence, and the seedlings were planted in Daejeon at 20-27 cm.

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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