Invasive route:Inhalation, ingestion, percutaneous absorption.
Health hazards: irritation to eyes, nose and throat. High concentration of inhalation can cause progressive anesthesia, acute pulmonary edema, liver and kidney damage. Continuous inhalation of large quantities can cause respiratory paralysis. Misuse can produce nausea, vomiting, abdominal pain, abdominal pain, diarrhea and so on. There is a sensitizing effect, bleeding gums due to vascular nerve disorder; can cause eczema-like dermatitis.
Chronic effects:Long-term exposure to the product can sometimes lead to corneal clouding, secondary anemia, leukocytosis and so on.
1, prepare seeds
Before planting alfalfa, the seeds should be prepared first. In order to avoid irregular emergence, the seeds s