In recent years , the use of chemical fertilizers by farmers has increased year by year , resulting in a large number of fertilizer bags in the hands of farmers.

Light and strong fertilizer bags , indeed for farmers to store agricultural products More convenient , but its harmfulness has not been highly valued. According to experts, China's current use of fertilizer bags, usually made of polyvinyl chloride, contain high levels of lead and other harmful substances, costumes and bags with fertilizer Store food will cause food contamination. Especially fertilizer bags remaining on the types of fertilizers, such as ammonium sulfate, urea, ammonium bicarbonate and ammonia-containing compound and so, under the action of bacteria, which is readily converted to nitrosamines. and Nitrosamine is a very strong carcinogen. People often eat this nitrosamine-containing food , which can lead to diseases such as esophageal cancer, stomach cancer, liver cancer, and intestinal cancer. On the other hand , using chemical fertilizer bags to pack food is not moisture-proof , and food is extremely Mildew. It produces aflatoxin, a carcinogen is still very strong. In this regard, the author calls for the authorities to step up publicity efforts on food packaging standards in the countryside, so that farmers understand the hazards of fertilizer bags with food.