A layer of water droplets often sticks to the plastic film inside greenhouses, which can reduce light transmission by 20% to 30%. This significantly affects the quality and growth of horticultural crops by limiting sunlight exposure. As the seasons change, condensation on greenhouse films becomes a persistent problem that troubles growers. The buildup of moisture not only reduces light but also increases the risk of plant diseases. So, how can we effectively remove or prevent these water droplets from forming on the film?
One simple and natural method involves using soybeans. Start by grinding soybeans into a fine powder. For every square meter of the greenhouse, take about 7.5g to 10g of soy flour and mix it with 150g of water. Let the mixture soak for two hours, then strain it through a fine mesh to remove any residue. Once ready, use a sprayer to apply the solution onto the plastic film. This treatment helps water droplets slide off more easily and keeps the surface free of condensation for up to 15 to 20 days. Not only is this method cost-effective, but it's also eco-friendly and safe for plants. By implementing such a technique, greenhouse farmers can maintain better light conditions and improve overall crop performance throughout the growing season.
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