SGS农产食品部部土壤养分实验室具备的土壤养分检测仪器设备及的检测技术团队，能够提供多项土壤养分测试服务，并可以根据土壤特点、种植需求、出口国家或企业的具体要求为客户定制土壤养分检测套餐，采用高效土壤分析测定方法，涉及中国、欧盟、美国、日本等多个国家的检测标准，覆盖种植、产品、大田试验、水产养殖、化肥测试、环境卫生等多个领域。我们同时为客户提供针行业标准和检测项目的咨询服务。

Being equipped with the most advanced soil nutrient testing apparatuses and equipment and the most professional testing technical team, SGS Soil Nutrition Laboratory of Agricultural Product Department is able to provide multiple soil nutrient testing services and customize soil nutrient testing packages for clients by adopting high efficient testing method for soil analysis according to soil characteristics, planting demands and the specific requirements of the exporting countries or enterprises involving testing standards in many countries such as China, EU, the United States and Japan, etc and covering various areas in organic farming, pollution-free products, field trials, aquaculture, fertilizer testing as well as environment sanitation. At the same time, we also offer clients with consulting services about industry standard and testing project.

高效土壤养分测定方法是美国佛罗里达农化服务中心（Agro Services International Inc.）(简称 ASI)的A.H.Hunter 博士在总结了前人土壤测试工作的基础上，吸收了美国北卡罗莱那州立大学的D.Waugh、R.B.Cate 和L.Nelson 的研究结果提出的评价土壤养分状况的实验室化学分析方法。简称为 ASI法，又称土壤养分系统研究法。1988年加拿大钾磷研究所的Sam Portch博士将此法介绍到中国。该方法可测定土壤中的15个肥力指标（包括11种营养元素）,其使用的浸提方法有多年实验室和田间试验基础，能较好地反映土壤有效养分供应状况。

High efficient testing method for soil nutrient is a laboratory chemical analysis approach which is used to evaluate the conditions of soil nutrient. It is put forward by A.H.Hunter, a doctor from Agro Services International Inc (ASI for short) in Florida of the United States, who absorbed the researching results accomplished by D.Waugh, R.B.Cate and L.Nelson of North Carolina State University on the basis of summarizing the previous work about soil testing. Shorted for ASI method, it is also referred to as systematic researching method of soil nutrient. In 1988 Sam Portch, a doctor from Potassium and Phosphorus Institute of Canada introduced this approach to China. This method can be applied to mensurate 15 soil fertility index ( including 11 nutrient elements), and with many years of basis in laboratory and field trials its extraction method can better reflect the supply condition of effective soil nutrient.                                                                                                                                     

该方法在中-加钾肥农学项目实施中引进中国，并在中国农业科学院建立了"中-加合作土壤植物测试实验室"，通过中-加钾肥农学合作项目、国家"八五"、"九五"、"十五"攻关项目、精准农业研究试验示范项目、土壤质量变化的预测预警项目（国家973项目）等，该方法已在全国20多个省、直辖市、自治区广泛应用，并成功地指导作物肥生产，取得了显著的经济效益和社会效益。

This method is introduced into China through the implementation of Sino-Canada potassium fertilizer agriculture project which has established "Sino-Canada laboratory for cooperation in testing soil plant" at Chinese Academy of Agricultural Sciences. Through Sino-Canada potassium fertilizer agriculture international cooperative project, national important project of "the 8^th Five-year Plan", "9^th Five-year Plan" and "10^th Five-year Plan", pilot demonstration project on precise agricultural research and the prediction and pre-warning project about the changes of soil quality ( national 973 project) and so on. This approach has been widely used throughout the country including more than 20 provinces, municipalities, and autonomous regions and has successfully guided fertilizer production for specific crops as well as achieved remarkable economic and social benefits. 

备注：新鲜的土壤样品需经过自然风干处理后方可进行测试，风干时间大约需要2-3天，开始测试时间为5个工作日。

Remarks: Fresh soil samples should be tested after natural air-drying which takes about two or three days and test requires 5 working days at the beginning.

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