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Cotton cultivation technology
Origin of cotton: Peru (cotton, tomato) The best quality of cotton is Egypt. The growth characteristics of cotton: 1 good temperature and good light; 2 unlimited growth; 3 strong plasticity; 4 vegetative growth, reproductive growth carried out jointly; Types of cotton: 1 Grass cotton: original wild, low yield, disease-resistant; 2 medium cotton: original wild, low yield, disease-resistant; 3 Sea Island cotton: South Xinjiang, Hainan production; 4 Upland cotton: Northwest, inland production. Note: The first two are just materials for breeding. Cotton Cultivation Essentials: Four-character “Short, dense, early, and filmy†Six-character standard for soil preparation: “Loose, homogeneous, flat, smashed, broken, and clean†Flower budding See flowers 28. water? : Indispensable water: Tissue water, transpiration water can save: surface runoff, underground leakage, evaporation between classes, invalid water cotton plant protection three insects two diseases: aphids, cotton bollworm, red spider wilt, Verticillium wilt , fumigation, stomach poison, contact pesticide species: insecticides, fungicides, acaricides, rodenticides topping: when waiting for branches, when the branches are not equal
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