First, the use of non-drip film. The use of non-drop film can reduce the amount of water on the surface of the film, and is conducive to light transmission and temperature increase.
The second is to cover the film. Because the film is airtight, it can reduce the surface water evaporation and irrigation times, so as to achieve the purpose of reducing the air humidity in the shed.
The third is reasonable watering. Watering vegetables in winter, to achieve "Five-Five-Five", that is, watering on sunny days, no watering on cloudy days, no watering before noon, no watering in the afternoon, pouring of small water, no irrigation, pouring warm water, no Pouring cold water, pouring dark water, not pouring water.
The fourth is to improve the method of application. In winter greenhouse pests and diseases in greenhouses, smoke or dust should be used as far as possible; if spray application is used, the number of controls and spray volume should be appropriately reduced to prevent excessive humidity in the greenhouse.
The fifth is artificial moisture absorption. If the humidity in the shed is too high, some straw, ash or fine dry soil can be sprinkled between the rows, or hygroscopic materials such as quick lime can be placed in the shed to absorb moisture.
We're Professional Supplier Extract Powder manufacturers and suppliers in China specialized in providing high-quality products at low price. We warmly welcome you to buy or wholesale bulk Supplier Extract Powder for sale here from our factory. For a free sample, contact us now.
Supplier Extract Powder,Supplier Extract ,Supplier Powder Manufacturer in China
Shaanxi Kang New Pharmaceutical co., Ltd. , https://www.bodybuildingoil.com