At present, summer sowing in most parts of North China, Huanghuai, Jianghuai and other places is coming to an end, summer crops such as summer corn and summer soybean are in the growth stage of seedling stage, and the rice in one season is in the stage of sowing and transplanting. Since May, most of the summer sowing areas have continued to be hot and hot, and the drought has continued to develop. In some areas, crop growth and summer sowing have been affected, and there has been a phenomenon of lack of seedlings and ridges. From June 22 to 24, 5 to 15 mm of decentralized precipitation occurred in the summer arid areas of southwestern Shanxi, southern Hebei, northern Henan, and central Shandong, with limited effect on mitigating drought; only the precipitation in some parts of northern Henan was more than 35 mm. It is beneficial to improve soil moisture and seedling growth of summer crops.
It is expected that there will be obvious precipitation during the summer drought on June 25-30. Among them, 10-30 mm of rainfall will occur in the south of North China, 30-70 mm of rainfall in Huanghuai and Jianghuai, and 100% in parts of Jianghuai. 150 mm. The precipitation is very beneficial to alleviate the drought in the early summer sowing area and improve the soil moisture. The drought range will be significantly reduced. At the same time, the rainfall in some areas is too large, and droughts and floods may occur.
Recommendations: All localities should pay close attention to weather changes, use good grievances after precipitation, and timely check seedlings to replant; in areas where drought has not yet completed summer sowing, the varieties and planting structures should be adjusted in time according to local climatic conditions, and early-maturing varieties or growing seasons should be planted. Short crops. At the same time, all localities should also strengthen field management, timely fertilizing and fertilizing, and strive to make Miao Qi Miao strong; areas with excessive rainfall should clear the ditch in time and prepare for flood control and drainage.
In perfect binding, adhesive alone is used to attach the pages of a book together and attach the book`s cover.
If only one adhesive application is used to construct the book, it is called a [one-shot process."
When two adhesive applications are required, it is a [two-shot process."
In the latter process, the first application of adhesive binds the bases of the book together. This adhesive is sometimes referred to as [primer" glue.
The second application of adhesive is used to attach the book`s cover to the side of the book spine. This adhesive is referred to as the [cover" glue.
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