2012年7月1日《控释肥料》标准(HG/T4215-2011)正式实施,该标准由国家化肥质量监督检验中心(上海)、山东金正大生态工程股份有限公司、山东农业大学、中国农业大学共同承担起草工作。据悉,为规范缓控释肥行业健康发展,我国于2007年10月1日实施了《缓控释肥料》行业标准;2009年9月1日实施了更加普适的《缓释肥料》国家标准,《缓控释肥料》行业标准同时废止,并陆续实施和制定了《硫包衣尿素》、《脲醛缓释肥料》等标准。随着我国缓控释肥的研发和产业化水平的发展,缓控释肥现在已逐步由“缓”向“控”发展,然而现行 July 1, 2012 “controlled release fertilizer” standard (HG / T4215-2011) was officially implemented by the National Fertilizer Quality Supervision and Inspection Center (Shanghai), Shandong Jinzheng Tai Ecological Engineering Co., Ltd., Shandong Agricultural University, China Agricultural University share the drafting work. It is reported that in order to regulate the healthy development of controlled release fertilizer industry, China implemented the industry standard of “controlled release fertilizer” on October 1, 2007; and implemented a more universal national standard of “slow release fertilizer” on September 1, 2009 , “Controlled release fertilizer” industry standard abolished at the same time, and gradually implemented and formulated “sulfur coated urea”, “urea-formaldehyde slow release fertilizer” and other standards. With the development of controlled release fertilizers and the development of industrialization in our country, controlled release fertilizers have been gradually developed from “slow ” to “controlled ”, however,