The first is the selection of good varieties, such as "Zhi Zhi 28? 2" is both resistant to disease and high yield. Spring cowpea sowing can not be too early, including transplanting seedlings should not be planted too early. Because the cowpea is very cold and not too cold, at the same time, it is necessary to take into account the large number of summer vegetables missed when they are listed on the market. The second is to select well-drained sand soil blocks, strengthen the drainage during the rainy season, enter the end of the harvest, neither drought, irrigation should not be too much, see dry see wet. The third is to start topdressing and topdressing to meet the nutritional needs of stems, leaves, and pods at the same time to prevent premature senescence, extend leaf age, enter the peak of growth, and spray 1~2 times 0.3% potassium dihydrogen phosphate to promote robust growth of stems and leaves. . The fourth is to prevent and treat locusts and leaf burns. Before sowing, the seeds were weighed 0.3% of wettable Fumei and were sprayed with 65% wettable zeocin 500 times during the growth period to control leaf burn disease. Spray 40% Dimethoate EC 800 times to control aphids from the seedling stage.
Thickener is a kind of biological gel that integrates thickening, suspension, emulsification, and stability. Thickener can improve the viscosity of the material system, keep the system in a uniform and stable suspension or emulsion state, or form gel. Most thickeners also have have the function of emulsification. It can be divided into two categories: natural and synthetic.
Thickener is widely used in food, cosmetics, detergent, latex, printing and dyeing, medicine, rubber, coatings, etc.
Polyvinyl Pyrrolidone PVP,Xanthan Gum As Thickener,Cosmetic Grade Xanthan Gum,Homopolymer of Vinylpyrrolidone
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