The suppression of wheat fields is one of the important means of farming management in wheat fields. After the cracking of the wheat field, the repression and the springtime repression were two types of repression.
Post-sowing wheat field repression: In recent years, more and more wheat fields have popularized the application of corn stalks returning technology. This technology can easily cause wheat cultivating soil to be impractical, which will cause the sown wheat seeds and their root systems to be unable to fully contact the soil and be normal. The growth also causes the soil to form many pores and “runaway air leakageâ€, and then causes a large amount of water loss in the soil and lack of crops, affecting the healthy growth of the wheat seedlings and preventing the formation of pre-winter strong seedlings. Therefore, after wheat is sown, it is necessary to decide whether to suppress and when to suppress it according to the soil, moisture, and temperature of the wheat field. For the return of straw to the field and the poorly-restored plots, timely repression should be carried out, and for soils with large soil moisture and heavy soil, do not suppress, so as to avoid soil compaction and affect the growth of wheat seedlings.
In the spring, the wheat seedlings have begun to suppress: The suppression of Wang Miao wheat fields formed before the winter is also an important means to solve the problems of controlling the growth of the Wang Miao. Therefore, it is very important that the wheat fields start to repress. The following points should be noted in the repression during the period of resurrection: First, the combination of repression and demarcation can both bridge the crevices, improve the soil temperature, increase the temperature of the soil, and promote the transformation of the seedlings and the growth of the roots. Second, do not suppress the soil too wet, so as not to cause compaction; frozen wheat fields do not suppress, to prevent damage to wheat seedlings; saline-alkali wheat fields do not suppress, prevent soil compaction, affecting soil permeability. For the wheat fields that have been jointed, do not suppress them so as not to injure the seedlings, resulting in a reduction in the number of panicles and affecting the yield.
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