1. Applying plant ash in plastic greenhouses can directly supply essential nutrients to vegetables. During the growing season, spraying a 10% ash leaching solution on the leaves of the plants helps improve their overall resistance and promotes healthier growth. This method not only provides vital minerals but also enhances the plant's ability to withstand environmental stress.
2. Moisture control is crucial in greenhouses. If the humidity becomes too high, sprinkling a thin layer of grass ash over the soil surface can effectively absorb excess moisture, reducing the risk of fungal diseases and improving air circulation around the roots.
3. Grass ash has natural antifungal properties that make it an effective tool for disease prevention in greenhouse vegetables. It helps reduce the occurrence of common diseases such as seedling blight, leaf spot, root rot, celery spot disease, and leek gray mold. By incorporating grass ash into the soil or using it as a foliar spray, farmers can significantly lower the need for chemical pesticides.
4. Over time, continuous cultivation in greenhouses can lead to soil compaction, which hinders root development and nutrient absorption. Adding grass ash to the soil improves its structure, making it looser and more aerated. This not only supports better root growth but also enhances water drainage and microbial activity in the soil.
In addition to these benefits, using grass ash is an eco-friendly and cost-effective practice that aligns with sustainable agricultural methods. It helps recycle organic waste while improving soil fertility and plant health. Farmers who incorporate this technique often report improved yields and fewer pest-related issues, making it a valuable tool in modern greenhouse management.
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