1. Cultivating loose soil with large ridges: By combining the cultivation of loose soil with the application of high-activity bio-organic fertilizer, you can significantly enhance soil fertility and improve soil permeability. Root-breaking techniques help reduce plant growth potential, encourage root sagging, and minimize decayed roots. This also helps prevent long-term surface salt damage caused by excessive fertilizer use.
2. Planting roots and cultivating soil: Solanaceous vegetables are often affected by diseases such as root rot, blight, yellow wilt, and bacterial wilt. Applying Gaomei Shi organic humic acid liquid fertilizer or Kekesu fertilizer can effectively degrade root salt damage and suppress disease occurrence. Additionally, this practice promotes stem growth and extends the fruiting period, leading to better yields.
3. Removing old and diseased leaves: For crops like tomatoes, melons, and beans, removing old and diseased leaves is an effective method to reduce nutrient loss and minimize the risk of pests and diseases. It also improves air circulation and light penetration, which is beneficial for overall plant health.
4. Replenishing plant nutrients: Using foliar sprays with high concentrations of amino acids and humic acid-based fertilizers directly supplies essential nutrients to the leaves. This enhances photosynthetic activity, increases the accumulation of photosynthetic products, and ultimately boosts crop yield.
5. Regular control of epidemics: At this stage, plants grow rapidly and produce high yields. However, due to the high temperature and humidity environment, diseases like Phytophthora infestans can develop quickly and spread fast. Therefore, it's crucial to implement strict preventive measures to avoid serious losses.
6. Adding bio-organic fertilizer: Many farmers believe that potassium, calcium, and micro-fertilizers are the most important for greenhouse vegetables, so they often rely heavily on high-nitrogen and high-potassium compound fertilizers. However, in older greenhouses that have been cultivated for years, a significant amount of inorganic salts has accumulated. Only biological fertilizers—such as phosphate-solubilizing bacteria, potassium-solubilizing bacteria, and actinomycetes—can break down these salts, improve fertilizer efficiency, and enhance fruit quality. As the saying goes, "Farming without manure is like smashing the land." Bio-fertilizers improve soil structure, while organic fertilizers enrich the soil. It's important to apply the right formulas based on different crops and growth stages. During this time, due to high ground temperature and humidity, harmful salts rise to the surface, causing alkali return. To address this, it's recommended to apply bio-organic or bio-chelating fertilizers.
7. Ventilation and moisture retention: Implement proper ventilation strategies based on weather conditions, crop type, and growth stage. For example, close vents early, open them later, and perform a 30-minute deflation in the middle of the night to promote nutrient accumulation. During this short period, the high carbon dioxide content inside the greenhouse and the lower outdoor temperature create favorable conditions for cooling and reducing heat stress.
This set of practices ensures healthier plants, higher productivity, and improved soil quality over time. By integrating both traditional and modern agricultural techniques, farmers can achieve sustainable and efficient crop production.
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