Field drought and frost protection in winter wheat during wintering in Shanxi

According to the survey data of winter wheat before winter in Shanxi Agricultural Meteorological Observatory, the winter wheat in Shanxi Province has all stopped growing. During the sowing of winter wheat from 2010 to 2011, most of the wheat areas were suitable for lyrical conditions, and the light and heat conditions were good, which was conducive to the sowing and emergence of winter wheat and the growth of seedlings; there was no obvious disastrous weather after sowing, and the growth and development of winter wheat was basically normal; since October, the wheat area was large. The precipitation in the Ministry continued to decrease, and some counties (cities) experienced a certain degree of drought, which was not conducive to the normal growth and development of winter wheat and safe wintering. After winter, the Shanxi Province experienced multiple cooling processes. The winter wheat was fully cold-resistant and normally entered the wintering period, but strong. The cooling has a certain adverse effect on the growth of some of the weak winter wheat in the dry land.

According to the prediction of the Shanxi Provincial Climate Center, the precipitation in the province in January 2011 was between 1 and 7 mm, and the majority of Linyi City and Yuncheng City were 1 to 20%, and most of the rest were less than 1 to 30%. Most areas are slightly higher. In February, the precipitation in the province was between 2 and 10 mm, and that of Zhangzhou City, Jinzhong City, Yangquan City, Changzhi City and Yuncheng City were 1 to 20%, and most of the rest were 2 to 3%. Most areas are slightly higher.

Since the winter, there has been no precipitation in the wheat area of ​​Shanxi Province. In some areas, there are different degrees of drought. In the next two months, the precipitation in the wheat area of ​​our province is still relatively small, which has certain adverse effects on the safe wintering of some dryland wheat and weak seedlings.

At present, the soil in winter wheat area of ​​Shanxi Province has been frozen, and the rate of soil water dispersion has decreased. However, there are many windy weathers in winter and no snow cover. The drought conditions in some counties (cities) in the wheat area may continue and develop. The adverse effects of winter drought. According to the pre-winter seedling situation and future climate prediction of winter wheat in Shanxi Province, it is recommended that all areas continue to do field management during the winter wheat wintering period, and adopt measures such as suppression, application of organic fertilizer and cover to increase temperature and protect moisture, drought and frost, and reduce drought and cold weather. The adverse effects caused to ensure that winter wheat is safely wintering; winter wheat fields should prohibit livestock from grazing buckwheat to ensure the smooth return of wheat.

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