What are the hazards of long-term moss in vegetable greenhouses?
1. Green moss affects soil permeability
Green moss itself does not affect the vegetables, but it will block the pores in the soil, affecting the roots of the crops, causing damage and affecting the growth of vegetables.
2. Green moss is a sign of soil salinization
The long green moss in the greenhouse soil is the expression of soil salinization. The green moss grows more lush. The darker the green moss color, the higher the soil salinity. If it is not taken seriously, it will greatly affect the production and cultivation, and even double the effort.
How to solve the problem of soil green moss?
First, more slashing soil
It is necessary to multiply the shed land to achieve the effect of removing green moss, destroying the soil of the slab, and improving the permeability of the farmland. However, it is necessary to pay attention to the depth. If the one-time stroke is too deep, it will have a greater impact on the root system of the vegetables, making it difficult to adapt. Therefore, it is necessary to gradually deepen and gradually adapt the root system.
Second, the application of microbial agents
The application of microbial inoculants in the greenhouse soil can break the knot, improve the soil structure, and increase the permeability of the soil. It can also activate fixed nutrients in the soil, improve fertilizer utilization, inhibit soil pathogenic bacteria, reduce the use of chemical fertilizers and pesticides, greatly improve soil physical and chemical properties, and keep the soil away from salinization.
Third, watering by drip irrigation
Under the condition of high humidity, the green moss is more serious. Therefore, it is recommended to reduce the watering method such as flood irrigation. It is recommended to use watering under the membrane to reduce the soil moisture and control the spread of green moss. It can also improve fertilizer utilization rate, reduce the application of chemical fertilizers, and achieve the effect of water saving and fertilizer saving.
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