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Ammonium nitrate and other nitrate nitrogen fertilizers should not be applied to vegetables, especially leafy vegetables such as cabbage, green vegetables, and spinach. Because the application of nitrate nitrogen fertilizer to vegetable fields will increase the nitrate content of vegetables by a factor of two. Nitrates are easily reduced to nitrite in the human body. Nitrite is a highly toxic substance that is harmful to the human body and is a carcinogen.
Ammonium chloride, potassium chloride and other chemical fertilizers containing chlorine should not be applied to vegetables such as tomatoes and potatoes. After the chlorinated fertilizer is decomposed in the soil, ammonia or potassium ions are absorbed by the soil and absorbed by the crop. To a certain extent, it will have a poisonous effect on the root system of the plant, which can reduce the content of starch and sugar of the product, affect the yield and quality, and endanger the physical and mental health of consumers.
Which fertilizers should not be applied to vegetables
At present, there are many kinds of chemical fertilizers, and there are more than 10 kinds of fertilizers commonly used. However, there are two types of fertilizers that can increase the yield of vegetables, which in turn can cause vegetables to become contaminated, cause food poisoning and even endanger life.
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