Fully Ensuring Harvest under High Temperature Digital Technology for Preventing Heat and Cooling Crops | Weather | High Temperature
CCTV News: In recent days, many parts of the country have been experiencing continuous high temperatures. How to prevent heatstroke and cool down crops to ensure their safety during summer?
Tongxiang, Zhejiang: Launching Digital Crop Heat Prevention and Cooling Mode
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In recent days, the continuous high temperature, humid and hot weather in many parts of Zhejiang has had a significant impact on crop cultivation. In a CNC greenhouse in Shimen Town, Tongxiang, Zhejiang, although the outdoor temperature has risen to around 35 ℃, the indoor temperature remains at 28 ℃. This is thanks to the CNC heat and humidity removal system, CNC shading film, CNC sterilization and blowing system in the farm, which not only reduces the greenhouse temperature but also to some extent reduces the occurrence of various vegetable seedling diseases.
In Wuzhen International Interconnected Agriculture Expo Park in Tongxiang City, large-scale cooling exhaust fans and recycled cooling water curtains have been put into operation, and atomized cultivation and soilless hydroponics vegetables have been cooled comprehensively and stereoscopically through Internet technology.
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Handan, Hebei: Taking Multiple Measures to Reduce Temperature and Ensure Production of Greenhouse Vegetables
In Yongnian District, Handan City, Hebei Province, agricultural technicians sank to the field to guide vegetable farmers in installing sprinkler facilities, spraying cooling agents, installing ventilation ducts, and other measures to reduce the adverse effects of high temperatures on vegetable growth and ensure vegetable production.
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Ningde, Fujian: Agricultural Technology Personnel Recruitment Scientific Prevention of Grape Heat Damage
Since July, Ningde City in Fujian Province has been experiencing continuous high temperatures. At present, it is a critical period for over 80000 acres of grapes in Fu'an City, Ningde to color, mature, and go public. Agricultural science and technology envoys have come to the fields to guide fruit farmers to do a good job in high-temperature and heat damage prevention, ensuring high-quality and high-yield grapes during the critical period. At the same time, the Agriculture and Rural Bureau of Fu'an City issued the "Measures to Prevent Grape Heat Damage" in advance, providing scientific management support for fruit farmers.
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In order to prevent heat damage to grapes caused by high temperatures, fruit farmers need to open the skylights on both sides of the greenhouse to allow air to flow smoothly, and the temperature inside the greenhouse will decrease by 3-4 ℃. In addition, the integrated water and fertilizer system can also play a cooling role.