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【BOMAN Shading】Contrast of cooling method of spraying shading and shading net in greenhouse
2020-11-25
Whether it is a multi-span greenhouse, a plastic greenhouse, or a sun room, indoor high temperature has always been an important factor that disturbs its safe operation in summer. The traditional fan-damp curtain cooling system has good cooling performance, but the fan consumes a lot of power and has high operating costs; the mist cooling system has not been promoted in China because of water quality, one-time investment, operating costs, and indoor humidity control issues. application. Natural ventilation is a cheap way to cool down. In all types of greenhouses, natural ventilation equipment is basically standard, but the cooling capacity of a separate natural ventilation system is limited, especially in high-intensity summer or at noon in other seasons. With natural ventilation systems, it is difficult for the indoor temperature to reach the optimum temperature for crop growth in many areas. For this reason, equipment configuration schemes that combine shading and natural ventilation systems are widely used.
Below we make a comparison between the cooling of the sunshade net and the cooling of the spraying:
To sum up: each has its own advantages and disadvantages. It is our goal to develop and use cheap and environmentally-friendly production technologies in accordance with local conditions. But at the expense of yield and crop quality, the cost reduction in exchange is undoubtedly killing chickens and getting eggs. This goes against the original intention of economic benefit. One of the reasons why the efficiency of my country's greenhouse horticulture industry is declining year by year. The author believes that if you consider the long-term operation of the greenhouse and the stability of the income, you can install both internal and external shading. In this way, the indoor climate can be adjusted regardless of winter and summer; if economic benefits and short-term emergency measures are considered, surface spraying and fixed external shading can be considered. Choosing bad products not only wastes your money, but also makes the opportunities and time that belong to you slip away unknowingly. You must be alert!
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The 22nd Kunming International Flower and Horticultural Exhibition in China This year's Kunming Flower Show will continue the theme of "Elephant to Yunnan, World Garden", highlighting Yunnan's unique position as a global treasure trove of biodiversity and a major flower producing area, shaping the connotation of the "Cloud Flower" public brand of green ecology, superior quality, and ecological wealth, promoting the vigorous development of the flower industry and the flourishing of the beautiful economy, fully demonstrating the extraordinary charm of the "World Garden".
The Horti Asia International Flower and Horticultural Exhibition was first held in Bangkok, Thailand in 2012. Overview of display coverage from pre harvest to post harvest, including seeds, soil treatment, substrates, irrigation systems, greenhouses, fertilizers, tools, and equipment. This exhibition aims to provide solutions for the horticultural industry (fruits, flowers, and vegetables) to reduce production costs, improve quality and yield.
2020-11-25
The production and use of scattered light in greenhouses has become very common in greenhouses located near the equator. Growers use special plastic sheds that scatter light to increase planting yield while avoiding burns to crops. Scattered light means that the light is scattered in all directions while being evenly distributed in an area.
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