How to apply bacterial fertilizer in the low temperature period

How to apply bacterial fertilizer in the low temperature period

In the cold winter and spring seasons, the use of biological bacterial fertilizer can not only activate nutrient elements that are fixed in the soil, but also contribute to the growth of the root system, but it should not be used blindly. It should be determined according to the soil environment of different greenhouses, otherwise it is likely to Spending money did not achieve results.

Soil moisture

Excessive or insufficient soil moisture will affect the application effect of biological bacterial fertilizer. Because most of the biological bacteria in biological bacterial fertilizers are aerobic bacteria, they are active when the soil is dry and wet. Therefore, after the application of biological bacterial fertilizer must pay attention to reasonable watering, the best choice for sunny morning watering, so not only can increase the temperature, but also through the release of moisture. Pay attention to the best scratching after watering, in order to increase the soil permeability, which will help the bacteria to exert their effects.

Soil temperature

The biological bacteria in the biological bacterial fertilizer generally have the most active life activities in the soil at 18-25°C, and the life activities begin to decrease when the temperature is lower than 15°C, and the activity ability is already very weak below 10°C, and even in the dormant state. Therefore, in the winter and spring season, when greenhouse vegetables are applied to the bacterial fertilizer, it is necessary to pay attention to the regulation of the ground temperature. First, the temperature in the shed is controlled, and the temperature rises to warm the ground. In general, the temperature in the shed should be kept at 25-30°C during the day, and the temperature in the shed at night should be low. To prevent the ground temperature from dissipating, and to maintain the ground temperature constant, in addition to mulching, the crop stalks can be covered in the operation line.

Soil pH

Soil acidity or partial alkali is not conducive to the growth and reproduction of biological bacteria. Soil pH value of 6.5-7.5 is most suitable for the propagation of biological bacteria, vegetable farmers can be modified according to the soil conditions, so that the soil pH value of 6.5-7.5, to ensure the proliferation of biological bacteria.

Adding organic fertilizer

After the application of biological fertilizer, we must pay attention to increase organic fertilizer. Because biological bacteria can exert their effects on the premise of rich soil organic matter. Therefore, we must pay attention to the application of organic fertilizer before planting, generally 5000 kg per mu.

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