Chang Zongtang, a consultant from the old Yangling Association for Science and Technology and a researcher at Northwest A&F University, said that for greenhouse soil treatment, lime nitrogen alone can also be used. The combined treatment of straw fertilizer and lime nitrogen is more effective, which can reduce the use of chemical pesticides and slow down continuous cropping obstacles. The harm. The specific method of compound treatment of greenhouse soil is: 1. Clean the shed after the last crop is harvested, and evenly spread corn, straw and other straws per acre (the finer the crush, the better) 500~1000 kg, lime nitrogen 40~80 kg, use the rotary tiller to combine the straw and lime Nitrogen is poured into the soil (20~30 cm deep), mixed evenly, and the ground is leveled and built. 2. Cover the surface of the soil with plastic film, and irrigate the borders until the shed is drenched and there is water. If the soil is short of water during the stuffy shed, it can be irrigated again. 3. Airtight greenhouse, if there is a hole in the greenhouse, repair it in time. Use sunlight to quickly heat up the greenhouse (the surface temperature can reach 70°C for more than 20 days). 4. After the stuffy shed is over, the film should be uncovered and ventilated for 5-7 days, and fertilizers such as biological bacterial fertilizers should be applied. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for handling. phone
Self fusing silicone tape
Description:
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Applications:
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