Five ways to prevent cold from freezing of wheat seedlings

When the severe winter comes, it is an important guarantee for a bumper harvest to do a good job in preventing winter and cold weather of wheat and other overwintering crops. According to different fields, the following five methods can be used to prevent freezing and protect seedlings.

First, there are some varieties with strong spring character of sowing grass and protecting seedlings, which are relatively late in sowing, sparse in emergence and less in tillers. For such fields, they should be covered with wheat straw, rice straw and other crop straws to keep warm, promote tiller growth, prevent freezing and strengthen seedlings, so that wheat seedlings can survive the winter safely.

Second, fertilizer and water irrigation for wheat seedlings with shallow roots and few tillers, using small fertilizer and large water to irrigate roots to increase field humidity to achieve the purpose of protecting roots and protecting seedlings.

Third, under the condition of continuous drought and low humidity in the field, the root system of wheat seedlings is vulnerable to freezing damage when encountered cold weather. For this kind of fields with high coolness and low humidity, they should be flooded or watered to resist drought. at the same time, they should pay attention to loosen the soil in time after drought to prevent stiffness or return to saline-alkali.

Fourth, by increasing the application of ash and miscellaneous fertilizer, the choked root of miscellaneous fertilizer can not only increase soil fertility, but also achieve the purpose of protecting roots and preventing frost, protecting seedlings and strengthening seedlings.

Fifth, paving soil to protect seedlings, the use of winter leisure season, the thin ditch mud, sparse river mud to the wheat field, paving soil to protect seedlings. For the seedling fields with large ridges and few soil moisture ditches, increase the soil moisture ditches, which can not only improve the wheat field water system, but also play the role of fertile soil to protect seedlings.