At present, the growth of wheat is very uneven, and both Wangchang and thin seedlings occupy a large area, which is not conducive to high yield of wheat. Therefore, after the spring, it is necessary to manage the summer crops according to the early conditions of the seedlings.

Look at the seedling fertilization for late sowing, less fertilization before winter, the current weak seedlings and the population are too small, the total number of stems before the winter is insufficient, the wheat field should be applied early after the spring, 10 kg of urea per acre or carbon 30 kg of ammonium, in the case of drought, can be added with water; when the flag leaves are extracted, 5 kg of urea is applied per acre, and the weight of the flowers is increased. For the bottom of the fertilizer, the application of the fertilizer, the wheat seedlings are stronger, the larger the wheat field, the fertilization period should not be fertilized to prevent lodging. Wheat was re-applied in early March, and the fertilizer was applied 10 to 12 kg per mu.

In the middle and late stages of the growth of clearing ditch wheat, there is more rain, the soil moisture is too large, the gas permeability is poor, it is easy to lead to premature aging, and even the dead roots are dead and dead, and it is necessary to clear the ditch early and prevent phlegm.

Anti-freeze and anti-heating winter wheat seedlings have a higher chance of freezing damage in spring. First, it is easy to appear cold spring weather after warm winter; second, due to lack of cold exercise in winter, the cold resistance is poor; third is due to the advancement of wheat development process, which is easy to cause Jointing and heading is too early. Therefore, for the wheat field with normal or insufficient total stem number before jointing, use 15% paclobutrazol 50g plus 40kg spray per acre; for large population of wheat fields, use 20% Zhuangfengan 30-40g per acre plus 40 Kilogram spray, appropriate delay of jointing booting time, shortening the length of the internode, can not only improve cold resistance, but also prevent lodging.

In the spring, except for 20% 2 A 4 chlorine 150 ml and 20% per acre before the jointing, it is sprayed with 25 kg of water and 50 kg of water to control the broadleaf; for the wheat field mixed with single and double cotyled weeds, 10% per mu. 30 mg of bensulfuron-methyl and 50% of isoproturon plus 120 g of water and 50 kg of spray.

In recent years, wheat stalk mosaic disease has a tendency to spread. It should be mixed with 5% bacteria toxic clear 500 times liquid and appropriate high-efficiency foliar fertilizer during the regreening period to inhibit the occurrence and development of diseases. In early March, 5% Jinggangmycin 200 ml and 50 kg of water were sprayed to prevent sheath blight. In the jointing stage, 20% powder rusting 1000 times solution was used to prevent powdery mildew and rust. In the wheat field where the wheat spiders were heavy last year, they should be sprayed with 40% omethoate 1000 times in the middle and late March.

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