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NSA-1土壤有效态成分参比物质-黑龙江绥化黑土
NSA-2土壤有效态成分参比物质-河北邯郸潮土
NSA-3壤有效态成分参比物质-陕西延安黄绵土
NSA-4土壤有效态成分参比物质-四川盆地紫色土
NSA-5土壤有效态成分参比物质-湖南长沙县水稻土
NSA-6土壤有效态成分参比物质-广州韶关红壤
