How to manage wheat during the winter? Wheat wintering management points

Winter wheat planting is going on in succession. Next, we will welcome the long winter. How should wheat be managed during the wintering period? Let me introduce the management points of wheat wintering period.

From the emergence of the winter wheat to the wintering, the growth characteristics are long roots, long leaves, long tillers, and the completion of the vernalization stage, that is, the completion of the three long ones, the growth center is the tiller. The central task of field management is to promote the roots and strengthen the seedlings on the basis of seedlings, to make the weak seedlings strong, and to strengthen the seedlings to ensure the safe wintering of the wheat seedlings, laying a good foundation for the early years of spikes and spikes.

First, check seedlings to replant. Due to leakage, stagnation, underground pests and other reasons, the lack of seedlings and ridges, timely seedlings and replanting, the replanted wheat seeds in the cold water for 24 hours, dried and sowing, to ensure that the seedlings are even.

Second, eliminate seedling pests and diseases. Common seedling pests and diseases are soil mites, planthoppers, underground pests, leaf rust, etc. Once found, timely prevention and control.

Third, overwhelm the needle. After the wheat enters the three-leaf stage, the nutrients in the seed endosperm are depleted, and the seedlings rely on their own photosynthesis to produce nutrients for the needs of growth and development. This is a crucial period for promoting root growth. Over-the-needle is a powerful measure, that is, it is suppressed in the three-leaf period, which plays a role in controlling the main stem, promoting tillering, controlling the ground, and promoting the root system.

Fourth, scratch the wheat soil. In the rainy season, the wheat loose soil should be scratched in time, which is good for breaking the knot and promoting root growth. For Wang Miao, it should be deeply scratched (more than 7 cm), which can play a role in controlling roots. Saline-alkali wheat should be done after the rain to prevent the return of salt to harm the wheat seedlings.

Fifth, pour the winter water. Discretionary winter irrigation should be timely, generally starting at an average temperature of 7 ° C - 8 ° C, ending at about 5 ° C, just after the night of freezing, the amount of winter irrigation should not be too large, can be poured through the day is appropriate, avoid large Water flooding. For the de-fertilization seedlings with insufficient seedlings or early sowing, or the wheat fields that have not applied sufficient fertilizer, combined with winter fertilization, 5 kg to 10 kg of urea per 667 square meters, prompting wheat to return to green early, consolidating tillers before winter, increasing tillering into ear Rate, make winter fat spring.

6. In the winter, pour urine to prevent damage to wheat seedlings. You can pour urine before wintering, and with the pouring, generally 500 kg per 667 square meters of urine, salty soil or wheat fields should not be poured when there is snow, the effect of pouring urine is significant, about 15 kg of fresh urine. Can increase production by 1 kg.

Seven, cover the quilt. The farmer said it is good: wheat eats lunar moon. It shows that the cover is protected by cold and seedlings. Technical points: After the wheat enters the wintering period, the wheat seedlings will be yellowed too early; too late, the leaves will be frozen and the operation will be difficult, which will not achieve the expected results. After the winter irrigation, on the basis of the stalked wheat soil, the bamboo stalks are used to cover the stalks on the wheat stalks in a large row, and the soil can be covered by about 2 cm. This technical measure can stabilize the temperature, reduce the evaporation of soil moisture, ensure that wheat is green and winter, reduce ground cracks and compensate for cracks.

Eight, suppression. After the cover is returned to the green, it is necessary to roll the wheat one time - 2 times, crushing and smashing, so that the soil is finely crushed and compacted, which is good for eliminating knots, cracks, heat preservation and protection, and pulling the soil to prevent the soil from leaking. This is an important measure for the wintering management of wheat in wheat fields, and it is another important means of drought resistance and cold protection. 9. It is strictly forbidden to graze the green leaves that remain in the wheat field during the wintering period. After the greening, the photosynthesis can be carried out. It is the main source of nutrients needed to restore growth. Winter grazing will cause a lot of damage to this part of the green area, weaken the ability to resist cold and reduce production.

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