It is now spring, and the most important thing to pay attention to in spring is the cold spring, and the management measures of wheat returning to the jointing stage. The following Hui Nongwang Xiaobian will learn from you to learn about the management points of wheat at this stage.

First, the cold spring, anti-freeze

In the spring, it is very common for wheat to suffer from cold and late frost. After the jointing, the anti-freezing ability of the wheat becomes very poor. Once this happens, the wheat will be reduced. To prevent this from happening, it is necessary to take relevant measures. Wheat enters March, before the arrival of bad weather, such as heavy wind and heavy rain, it is necessary to water the wheat in time, so that the ground temperature can be quickly increased, and the chance of frost damage will be much less.

Second, fertilization management

In the greening and jointing stage of wheat, it is necessary to apply fertilizer, mainly nitrogen fertilizer. The nitrogen fertilizer at this stage is indispensable and can play a decisive role in the yield of wheat. If the supply of nitrogen fertilizer is insufficient, the seedlings of wheat will be scarce, the tiller will be small, and the yield of wheat will not be high. However, if the nitrogen fertilizer is too much, and the nitrogen is over-nutrient, the leaves of the wheat will be too large, and too much sputum will result in the stems and stalks being very thin, the lodging is normal, and the yield is naturally not guaranteed. The time to give nitrogen fertilizer to wheat, as well as the amount of nitrogen fertilizer, should be considered in light of the combination of wheat growth. There is no strict regulation.

Third, weeding

This winter, there was basically no snowfall, but during the Spring Festival, two snow fell, and the soil was not bad. If you don't have time to get rid of the herbs before the Chinese New Year, after the snow has changed, you should choose the weather and give the wheat the corresponding herbicides.

To fight the wheat, it will be completed in time during the rejuvenation period. When entering the jointing stage, we can no longer fight herbicides. If the herbicide is late, the chance of phytotoxicity is greater and the wheat will be reduced. To use herbicides, be sure to use them in accordance with the instructions. The amount should not be large or small. To fight herbicides, you must also pay attention to your own safety.

Fourth, anti-floating

When wheat is lodging, the yield and quality will be greatly affected, and the economic losses of the growers will also be impaired. Wheat is lodging, usually because the amount of wheat is too large, and it is dense after tillering. The stalks of wheat are crisp. It is not surprising if wheat encounters lodging in the later stages of wheat growth, such as wind and rain.

In order to avoid the lodging of wheat, chemical control methods are generally used for prevention. Generally, some paclobutrazol is sprayed. According to different conditions, choose different drugs to prevent and treat.

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