危害农民健康的因素是很多的。这些危害因素有随农业生产发展而日渐增加之势。最主要的危害因素有以下七个方面。 一、谷物粉尘危害。在谷物收割、运输、脱粒、晾晒、贮藏和加工的场所,常有谷物粉尘飞扬,浓度最大时竟黄尘滚滚,粉尘中含有发霉干草、霉菌及其代谢物、游离的二氧化硅、昆虫及其遗体等。由于这种谷物尘如此复杂,所以,该粉尘给人体造成的损伤也必然是多方面的,而最严重的肌体损伤应首推呼吸系统的疾病,如气管炎等。 二、无机粉尘的危害。农机作业时,必然产生大量粉尘。据有关报道, There are many factors that endanger the health of farmers. These hazards are increasing with the development of agricultural production. The main hazards are the following seven aspects. First, the damage of cereal dust. In cereal harvest, transport, threshing, drying, storage and processing of places, often flying dust, when the maximum concentration actually dusty, dust containing moldy hay, mold and its metabolites, free silica, insects and Its body and so on. As such grain dust is so complicated, the damage caused by the dust to the human body must also be multifaceted, and the most serious damage to the body should be the respiratory system diseases such as bronchitis. Second, the harm of inorganic dust. Agricultural machinery operation, will inevitably produce a lot of dust. According to the report,