What are the hazards of lime nitrogen greenhouse?

Lime nitrogen, also known as calcium cyanamide, is a strong soil disinfection fungicide for both medicine and fertilizer. It is generally used in greenhouses, but it is toxic to some extent, so we should pay attention to the harm of lime nitrogen in greenhouse.

First, what are the hazards of lime nitrogen greenhouse?

When lime nitrogen is in the greenhouse, the stench and decomposed cyanamide released by lime nitrogen will cause certain harm to the human body, so when using it, you must wear a mask and work clothes, away from the living areas of livestock. After application, do not drink alcoholic beverages within 24 hours, so as not to cause chest tightness, holding breath and other adverse chemical reactions.

Second, how does lime nitrogen make the shed stuffy?

Sprinkle crushed straw or wheat straw (1 kg per square meter) and lime nitrogen (0.1 kg per square meter) on the surface, fully mix with the soil (spin twice with a rotary plough), ridge (60 cm wide and 40 cm high), cover with plastic film, irrigation in the ditch, and seal the facilities and greenhouse. During the day, the surface temperature can reach 70 ℃, and the soil temperature in the depth of 20 cm is 40-50 ℃ for 20-30 days, which can play the role of soil disinfection and salt reduction.