(1) Select a variety. High-quality, high-yielding hybrid generations such as EK288F1 and Okazama 8 were selected. (2) Soilless seedlings. Use water floating seedlings or substrate seedlings to cultivate healthy seedlings according to the procedures for soilless seedling cultivation. Strong seedling indicators: seedling age over 20 days, leaf age around 2 leaves, red stem ratio more than 80%, cotton seedlings pier, root development. (3) Fine planting seedlings. Transplanting density: 1600-1800 strains/mu, select the same size and strong seedlings, transplanting holes into the hole, carefully cover fine soil, prevent root damage, pour root water after transplanting, and add a layer of fine Soil conservation crickets, requiring more than 95% survival rate of transplanting, slow seedling period within 12 days. Transplanting can refer to "four suitable four inappropriate", that is, loam soil should be planted, clay should not be planted; cool soil should be planted, wet soil should not be planted; cloudy all day and sunny afternoon should be planted, large sunny midday and heavy rain should not be planted; No-tillage soil is used for hole transplanting, and it is not suitable for transplanting and transplanting. (4) Early management of early-onset hair. One is to promote the transfer of fertilizer, and to promote the management of buds to promote the main period, the use of 1% urea plus 4000-6000 times the "802" foliar spray, to promote early-onset and long-term; second is timely cultivator loose soil off, Prepare ridges and cultivators, combine cultivator with bud fertilizer, flower and bell fertilizer, and when the cotton grows to 8 leaves, according to the cotton growth, appropriate quantitative control, promote the coordination of the two long cotton, and build a high-yield shelf for high yield. (5) Diseases and insect pest control rules. According to pest prediction and prediction, when the prevention and control standards are met, the machine defense teams are organized in a timely manner to carry out unified defense rules. Focus on the prevention and control of aphids, red spiders, blind ticks, cotton grasshoppers, Spodoptera litura and other pests. Blood Pressure Monitor,Medical Digital Blood Pressure Monitor,Medical Alcohol Swabs,Disposable Alcohol Prep Swab Surgimed Medical Supplies Co.,Ltd , https://www.surgimedcn.com