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How to achieve the best effect of greenhouse stuffy shed? Teachers will talk about it.
Can be disinfected with lime nitrogen: choose sunny days with high temperature and good light to level the soil and irrigate it to keep the relative humidity of the soil at 60%-85%. After 2-3 days of irrigation, evenly spread lime nitrogen (40? -? 60 kg/mu). After that, the soil was deeply turned to make the lime nitrogen particles fully contact with the soil, and then the closed soil was covered with a transparent film for 2 weeks. Lime nitrogen disinfection can effectively control a variety of soil-borne diseases caused by pathogenic fungi, bacteria and nematodes. At the same time, it can provide nitrogen for plants, reduce nitrate accumulation and promote plant growth. It is an environment-friendly soil disinfection technology. ?
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