The soaring temperature of wheat sown so far, resulting in sowing too early, sowing large-scale wheat fields appear prosperous phenomenon. The pre-winter prosperous long wheat is extremely harmful. First, the plant's anti-freezing ability is reduced, and winter and early spring are prone to frost damage. Second, serious pests and diseases occur. Thirdly, it is prone to lodging in the late stage. Fourth, soil nutrient consumption is large and premature decomposes. Therefore, we must earnestly strengthen the management of the wheat fields that are prosperous and strong, control and prosper, and achieve strong seedlings through winter. In management technology, we must grasp the following four points: Repression is an effective measure to control the growth of wheat. The method is simple and effective. Repression can be carried out with stone rakes or iron pressure roller or oil drums with appropriate amount of water, rolling, manual stamping and other methods. By suppressing the damage to the upper leaf axils, suppressing the growth of the main stem and the large pods, narrowing the gap between the tillers and the occurrence of excess tillers, prompting Roots under the bar, to control the prosperous purpose. The repression of the seedlings may take place several times before winter. The repression should grasp the principle of “dry pressure without ground pressure, cloudy pressure without pressure, and no pressure at noon in the morningâ€. Deep cultivator deep cultivating and controlling wang is not only effective but also has long control effect. Deep cultivator can use rakes or rakes for 7-10 centimeters before winter to cut off part of the wheat root system and reduce the absorption of water and nutrients by the plants, so as to restrain the growth of the shoots, reduce the ineffective tillers, promote the roots to lower the branches, and control the rotation. strong. However, due to the lack of fertility, the large number of seedlings caused by the excessive seeding volume, the crowding of seedlings, and the excessively long pseudo-Wangmiao plots are not suitable for the control of deep rooted roots due to poor root development. Chemical control currently has many types of chemical regulators that control the growth of wheat. Good results are "Zhuangfengan" EC and "PP333" wettable powder. General mu with 20% Zhuangfengan EC 30-40 ml or 15% Paclobutrazol wettable powder 30-40 g Water 30 kg before winter (mid-mid-December) foliar spray chemical control Wang. Prosperous lands are subject to chemical regulation. The sooner the better, the better the combination of chemical control and repression. It is strictly forbidden for some peasants to rush the pigs and sheep to the wheat fields to control the growth of the wheat. They should be encouraged to eat long-lasting wheat seedlings. This would be even more damaging to the flourishing wheat. After the indigo leaves, some or all of the leaves are eaten, which greatly weakens the production and accumulation of nutrients and directly affects the growth and development of wheat. In addition, indigo caused mechanical damage to the plant, increased respiration, increased nutrient consumption, increased water transpiration, decreased sugar content at the tillering festival, decreased frost resistance, and was prone to frost damage.
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Wheat control prosperous long grasp four measures that are effective