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Do a good job in the mid-term management of cotton
The current cotton seedlings grow rapidly due to the rapid increase in temperature. Since the beginning of June, they have entered the budding period one after another. Therefore, it is now an important period for the management of cotton fields. Cotton farmers need to work hard, adapt measures to local conditions, promote integration and control, and do a good job in the mid-term management of cotton fields without mistaking agricultural time. First, the cultivating loose soil in time without loosening the cultivating loose soil can not only reduce the evaporation of soil in the lower layers of water, but also promote the release of available nutrients in the soil, so that the cotton root system developed, rapid growth. The enhanced permeability of soil can also inhibit the growth of bacteria in the soil and reduce the occurrence of cotton field diseases. To increase the number of cultivating times as much as possible, the cultivator should be properly deepened and widened, be close to the mulch, and improve the quality of cultivator. As the saying goes, “One inch deep and one dung on top.†This is the reason. Second, early application of bud fertilizer to promote early-onset This year's cotton seedlings after continuous low temperature in May, leading to cotton seedlings weak, growing less prosperous. Recently, due to the sudden increase in temperature, the number of cotton seedlings increased, increased, and the branch lengths increased. Therefore, it is recommended to apply a bud fertilizer at this time, to make up for the weak seedlings caused by the weather and nutrition in the previous period, and to promote its early-onset, forming a strong trend. Fertilization should be applied in close proximity and three-in-one compound fertilizer should be applied. According to the experimental data, most of the soils in recent years have more nitrogen and phosphorus, less potassium, and some soils lack potassium. Therefore, we must top up the application of potassium fertilizer, the ratio of nitrogen, phosphorus and potassium to 3:1:3 is appropriate. Third, timely control of this year's cotton fields due to the weather, the seedlings vary greatly, must be adapted to local conditions, due to seedlings. Slow growth should be promoted, and rapid growth should be promptly controlled. Use shrinkage and safety for a small number of times. Fourth, timely watering cotton in the middle of the growing amount of rain, watering the time and method is difficult to grasp. For the cotton fields that are protected by the arable land, light drought can be avoided. For cotton fields with poor conservation capacity and poor public opinion, it is necessary to water in case of drought. However, do not pour in large amounts of water to prevent water pouring. Cultivate in time after watering. V. Doing a good job of pest control The main disease in the bud stage of cotton is yellow wilt disease. The main insect pests during the bud period are locusts, red spiders, blind maggots, and cotton bollworms. In particular, the damage caused by blind plagues in recent years is particularly serious and must be taken seriously.