Wheat winter tube technical points

Wheat is the main food crop in winter. How does winter tube wheat come? Based on the author's many years of experience, the following comments are made - Replanting basic fertilizer. The wheat yield and protein content depend to a large extent on the nitrogen supply during the development period. Within the range of 16 kg of pure nitrogen in the Mushi, the grain protein content increased with the increase of nitrogen content. The base fertilizer should be dominated by organic fertilizers, with appropriate application of NPK and trace elements. General middle and high yield fields, Mushi high-quality organic fertilizer 3000-4000 kg, urea 10-15 kg (or ammonium bicarbonate 30-40 kg), superphosphate 30-40 kg, potassium sulfate 15 kg, zinc sulfate and manganese sulfate each 1.5 Kg, borax 0.5 kg. Deep application of chemical fertilizers, organic fertilizer applied in layers, deep application at 2/3 tillage, shallow application of 1/3 car surface (5 cm below the surface). When the seedlings reach the clover, the first topdressing will be carried out. Mushi water manure 1000 kg and urea 3 kg. From booting to heading stage, 3-5 kg ​​of urea and 2 kg of potassium chloride are applied to promote transformation of nutrients into grain and improve wheat quality. Grasp six key technologies. The first is to do a good job of drought relief and dehumidification work. After wheat is sown, if it is poor, it should be flooded and drought-fighted to promote seedlings; in winter, there should be more rainwater and drainage should be conducted; the dialling booting phase is the critical period of wheat water requirement and must be watered. Flowering to increase the number of wheat grains. The second is the implementation of chemical weeding, 5-7 days before sowing control weeds with g traces once, 3 leaf stage with a hundred herb enemy or superstar weeding again. The third is to prevent and control aphids. From booting to filling stage, we use a 2000-3000 times liquid to treat 1-2 times. The fourth is to prevent scab, when spring rainfall is high, spraying rust or thiophanate-methyl to prevent head blight. Fifth, to prevent powdery mildew, from the beginning of March in the second year to the middle of April, use jinggangmycin 1-2 package plus 15% triadimefon 75-100 g per mu and spray 30-60 kg of water to control wheat rust. Powdery mildew, sheath blight and so on. Sixth, spraying paclobutrazol, in wheat seasoning, with 15% paclobutrazol wettable powder 20-30 grams per acre, watered 30 kg spray, can make the stem base of the wheat between the internode shortening, stout sturdy, lodging capacity Enhanced. Jiangan County Bureau of Agriculture Zhang Haishu

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