今年是我国引入化肥100周年。100年中,化肥的使用推动了我国农业的长足发展,但一些地方过量使用,也给农业和环境留下隐患。据了解,目前我国化肥年使用量达4100万吨,已成为世界化肥消费第一大国。化肥提供了一半以上的农业产量,占农业生产物质投入的一半。化肥应用,为我国用不足世界10%的耕地养活占世界22%的人口 This year is the 100th anniversary of the introduction of fertilizer in China. In the past 100 years, the use of chemical fertilizers has promoted the rapid development of agriculture in our country. However, excessive use in some places also leaves hidden dangers for agriculture and the environment. It is understood that at present, China’s use of chemical fertilizers amounted to 41 million tons, has become the world’s largest consumer of chemical fertilizers. Fertilizers provide more than half of the agricultural output, accounting for half of agricultural inputs. Fertilizer applications, for our country with less than 10% of the world’s arable land to feed the world’s 22% of the population