化肥的出现和发展为农业生态系统提供了大量的营养元素,促进了农业的快速发展。然而,由于片面追求高投入、高产出,大规模滥施化肥而出现的社会、环境生态问题日益严重。于是,农业生产安全性问题越来越受到各级政府及涉农部门的关注。使人们对农业生态系统输入化肥产生种种忧虑, The emergence and development of fertilizers have provided a large number of nutrients to agricultural ecosystems and promoted the rapid development of agriculture. However, due to the one-sided pursuit of the society with high input, high output and large-scale indiscriminate application of chemical fertilizers, the issue of environmental ecology is worsening. As a result, the issue of agricultural production safety is receiving more and more attention from all levels of government and agriculture-related departments. Make people input all kinds of worries to the agroecosystem,