北京市大量元素水溶肥料分析与评价  

Analysis and evaluation of water-soluble macroelement fertilizers in Beijing

作　　者：高飞[1] 王涓禹 GAO Fei;WANG Juanyu(Beijing Soil and Fertilizer Workstation,Beijing 100029,China;College of Resources and Environment,China Agricultural University,Beijing 100193,China)

机构地区：[1]北京市土肥工作站,北京100029 [2]中国农业大学资源与环境学院,北京100193

出　　处：《磷肥与复肥》2022年第6期49-52,共4页Phosphate & Compound Fertilizer

摘　　要：根据北京市2013—2020年大量元素水溶肥料的检测数据,分析北京市大量元素水溶肥料各检测指标的合格情况以及重金属含量和污染情况。结果表明,北京市大量元素水溶肥料年度平均合格率为84.35%,主要检测项目单项合格率均在90%以上;5种重金属元素的合格率均在90%以上,其中As的合格率最低,超标量最高;2013年的As元素达到了轻污染的程度,2014—2020年5种重金属含量全部为清洁等级。北京市大量元素水溶肥料产品虽然仍存在养分含量不足、重金属超标等问题,但污染情况逐年好转。According to the test data of water-soluble macroelement fertilizers in Beijing from 2013 to 2020,the acceptability of various test indicators,heavy metal content and pollution of water-soluble macroelement fertilizers in Beijing are analyzed.The results show that the annual average qualified rate of water-soluble macroelement fertilizers in Beijing is 84.35%,and the single qualified rate of main test items is above 90%;The qualified rates of the five heavy metal elements are all above 90%,As is the lowest and its superscalar is the highest;In 2013,As reaches the level of light pollution.From 2014 to 2020,the contents of five heavy metals are all clean.Although the water-soluble macroelement fertilizers in Beijing still have problems such as insufficient nutrient content and excessive heavy metals,the pollution situation has improved year by year.

关 键 词：大量元素 水溶肥料 指标检测 重金属含量 北京市 

分 类 号：TQ440.7[化学工程—化学肥料工业]