Before planting vegetables, it is necessary to pay attention to increase the amount of organic fertilizer and apply organic fertilizer. Its purpose is to increase the content of organic matter in the soil, promote the formation of soil aggregate structure, and increase soil permeability.
In addition, we must pay attention to increase the amount of biological bacteria fertilizer. Biological bacterial fertilizer can increase the number of beneficial microorganisms in the soil, inhibit the occurrence of soil-borne diseases, and promote rooting, which is conducive to the formation of strong vegetables and increase the yield.
Pay attention to reducing the amount of fertilizer
When planting the former crops in the large arch shed, the application of organic fertilizer is often more, and the amount of fertilizer in the later stage is larger, which determines the amount of chemical fertilizer to be reduced when the autumn is delayed. In high temperature weather, the solubility of chemical fertilizer in the soil is very high, and the salt content in the soil is high. Excessive application of chemical fertilizer is not conducive to root growth.
Watering should be reasonable
Only when water is properly watered can the roots of vegetables be deep-rooted and strong trees formed. However, some vegetable farmers have not watered seven or eight times a month in order to promote slow seedlings after vegetable planting. Watering is too much, the soil is too wet, the roots are difficult to sag, the vegetables are prone to grow up, the disease resistance is poor, and the fruit setting rate is low. On the contrary, some vegetable farmers do not dare to water the vegetables in order to prevent vegetables from growing after the plants are planted, which will also affect the growth of vegetables. Generally speaking, one month after the plant is planted, the focus is to pour the first three waters.
Be careful not to spread black mulch throughout the shed
The environmental conditions in the late summer and early autumn are not only conducive to vegetables, but also conducive to weed growth. There are vegetable farmers to prevent weeds between plants, and cover the black mulch after planting. The black mulch blocks the evaporation of water, and the surface humidity is high, which tends to cause the temperature under the mulch to be too high. A large amount of water vapor volatilizes from the base of the stem, burning the base of the stem of the vegetable, creating an opportunity for the infection of the pathogen.
The main function of the black mulch is to prevent the growth of weeds, but the seamless coverage of the whole shed is more harmful than the anti-grass. Therefore, if laying a black mulch film should not be connected, keep a certain distance from the base of the plant stem and press around the stalk. If the temperature in the shed is too high, it is not recommended for the vegetable grower to cover the mulch, and the mulch can be covered after the high temperature (after the heat).
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