Recently, continuous snowy weather has caused the air in the shed to be unsmooth. In this case, improper smoking is more likely to cause gas damage. How to use the fumigant more safely and effectively? Commonly used fuming agents are chlorothalonil, scopolamine, insecticide, etc. When using these fumigants, care should be taken: evenly distribute more in the shed, and use the wire as a support to support the fumigant off the ground. 20 to 30 cm high; when discharging, it should be ignited from the inside and outside of the shed from the inside and outside (not open fire), so that it can continue to smoke normally. After ignition, the air outlet is quickly closed overnight, and the next morning ventilation is followed by farming operations; Under normal circumstances, the usual amount of commonly used smoked agent is 0.3-0.4 g/m3, and the equivalent amount of smoked fumigant is 300-400 g. No matter what time the shed, as long as it can be ventilated the next day after the shed, it can guarantee the safety of vegetables.
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