In winter and spring, the use of biological fungi not only activates the nutrients that are fixed in the soil, but also facilitates the growth of roots, but it should not be used blindly. It should be determined according to the soil environment of different greenhouses, otherwise it will probably cost money. But I can't get any results. Today, let's take a look at the techniques of winter bacterial fertilizer application.

Winter and spring low temperature period fertilizer use technology:

Soil moisture: Excessive or insufficient soil moisture will affect the application of biological fertilizer. Because most of the biological bacteria in the biological fertilizer are aerobic bacteria, it is active when the soil sees dryness and wetness. Therefore, after applying the biological fungus fertilizer, we must pay attention to reasonable watering. It is best to choose to pour small water on a sunny day, so that it can not only improve the ground temperature, but also dehumidify by releasing the wind. Note that it is best to make a watering after watering to increase the permeability of the soil, which is beneficial to the biological bacteria.

Soil temperature: The biological bacteria in the biological fertilizer generally have the most active life activity when the soil is between 18 °C and 25 °C. When the temperature is below 15 °C, the life activity begins to decrease. When the temperature is below 10 °C, the activity ability is very weak, even in a dormant state. Therefore, after the application of bacterial fertilizer in greenhouse vegetables in winter and spring, it is necessary to pay attention to regulating the ground temperature. First, control the temperature in the shed, and use the temperature to promote the temperature rise.

Soil pH: Soil acid or alkali is not conducive to the growth and reproduction of biological bacteria. When the soil pH is between 6.5 and 7.5, it is most suitable for the reproduction of biological bacteria. The vegetable farmers can be modified according to the soil conditions, so that the soil pH value reaches 6.5-7.5, ensuring the large-scale reproduction of the biological bacteria.

Add organic fertilizer: After applying biological fertilizer, pay attention to adding organic fertilizer. Because the bacteria can only exert their effects under the premise of rich soil organic matter. Therefore, vegetables must be paid attention to the application of organic fertilizer before planting, generally about 5000 kg per acre.

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