How to prevent summer vegetables seedlings growers

The main methods for preventing leggy seedlings include several key practices that help ensure strong and healthy plant growth. First, the sowing density should not be too high to avoid overcrowding after germination. For example, when growing eggplants or other vegetables, a seedbed of 2-3 square meters per acre is typically used, with 15-25 grams of seeds broadcasted. Once about 30% of the seeds have emerged, it's important to remove the ground cover promptly to allow better air circulation and light exposure. Second, timely thinning and transplanting are essential. After the seedlings emerge, especially for plants in the Solanaceae family (like eggplants), they should be transplanted 2-3 times. The best time for planting is when the seedlings have developed two leaves and one heart. The transplanting density should be maintained at around 120-130 plants per square meter to give each plant enough space to grow. Third, proper ventilation and light exposure, along with temperature and humidity control, play a crucial role. After the seedlings are removed from the nursery and before transplanting, as well as after planting, regular ventilation and sunlight exposure should be ensured. This helps reduce humidity and temperature, and strengthens the seedlings through cold acclimation, preventing them from becoming leggy. Fourth, rational fertilizer and water management is vital. When preparing the nutrient-rich soil, itâ€™s important to use sufficient phosphorus and potassium while limiting nitrogen. Watering should be carefully controlled, and if top-dressing is needed in the seedbed, nitrogen-based fertilizers should only be applied when necessary. Fifth, timely thinning of seedlings is recommended. About 20 days before planting eggplants or melons, overcrowding often occurs. At this stage, seedlings should be properly spaced out to provide individual plants with enough room to grow and improve their survival rate. Lastly, chemical control can also be used as an additional measure. If seedlings become too tall or weak, a 0.2% Bordeaux mixture can be sprayed, or a 50% solution of chlormequat chloride diluted 2000-2500 times can be applied to suppress excessive growth. By following these practices, growers can effectively prevent leggy seedlings and promote robust, healthy plant development. Black Farm

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