With the rise of temperature in spring, the growth rate of crops has accelerated and the demand for fertilizer and water has increased. Especially for vegetables in the result period, the management of fertilizers and waters must be strengthened to meet the requirements for fertilizer and water.
However, strengthening the management of fertilizer and water does not mean that a large amount of fertilizer is required at one time, but it is a continuous and long-term management measure.
First of all, attention should be paid to the flushing method. According to the current weather conditions, flushing under the sulcus or sacral intima is the most appropriate flushing method. After fertilization, nutrients directly enter the main distribution area of ​​the root with water, and crops absorb and utilize more quickly.
Secondly, to use suitable fertilizers, such as compound fertilizers, its fast-acting properties are good. Although it can rapidly meet the nutrients needed for rapid growth of vegetables, it is easy to cause root damage and is not conducive to the growth of roots. Although it is conducive to expanding the area where roots absorb nutrients, it is not conducive to the concentrated supply of nutrients. The choice of total water-soluble fertilizer is about 10 kg per mu. Can also be based on the proportion of fertilizer required for the crop, select the appropriate compound fertilizer with biological bacterial fertilizer use.
Again, the amount of fertilizer should not be too large. Watering should be appropriate and the concentration should be adapted. Under certain conditions of fertilizer solution concentration, watering is insufficient and the depth of fertilization is shallow, which is not conducive to absorption and utilization, and may even cause roots to float. And the frequency of flushing should not be excessive. The growth of crop roots always extends in the direction of fertilizer. Fertilization and fertilization are applied to the surface of the soil, and unfavorable roots undershoot, affecting the development of the root system. The roots of the surface are susceptible to salt damage, which affects the absorption of nutrients and moisture in the root system. Can be fertilizer, fertilizer and other fertilizers combined with a variety of methods.
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