Management of late-seeding wheat fields

This year's wheat planting is affected by rainy weather and wet late corn late harvest. The proportion of late-seeding sowing of wheat is even higher, even for frost-dried wheat. This results in pre-winter wheat seedlings that are generally weak and small, with low accumulation of nutrients in the body and weak cold resistance and frost resistance. Winter and spring are susceptible to freezing seedlings. Therefore, due to the appropriate conditions for the seedlings, timely follow-up, comprehensive measures should be taken to strengthen the management of late-winter winter and late-seeding wheat fields, and ensure that late-seeding wheat is safely overwintering.

Perennial freezing of wheat in Beijing is around November 20, when the soil is cold and frozen, it is appropriate, but on November 20, 2016, the temperature is significantly lower than the average, the temperature suddenly drops, the minimum temperature is minus 7 degrees Celsius, wheat is not Can do cold resistance exercise, many wheat fields can not be poured in time frozen water. In view of this situation, it is necessary to conduct a survey on the seedling condition and soil moisture. If the seedlings have 1.5-2.0 tillers per plant and the soil is not arid, it must be managed early in the spring; if there is almost no tillering per plant, the soil is arid. The ability to water the wheat field, try to seize the temperature warming time, pouring good frozen water, in order to protect the seedlings for the winter. If it is really because the temperature is too low to be poured into the frozen wheat field, we must observe the soil moisture in time.

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