National Cooperative Soil Survey Characterization Database

国家合作土壤调查特征数据库(NCSS Characterization Database)是由美国农业部自然资源保护局(NRCS)维护的土壤数据系统。该数据库包含通过实地考察和实验室分析收集的土壤样本信息，提供多种数据访问方式，包括位置搜索、高级查询和完整数据库下载。数据可用于农业规划、环境保护和科学研究等领域。The National Cooperative Soil Survey Characterization Database (NCSS Characterization Database) is a soil data system maintained by the Natural Resources Conservation Service (NRCS) of the United States Department of Agriculture (USDA). This database contains soil sample information collected through field surveys and laboratory analyses, and offers multiple data access methods including location search, advanced query, and full database download. The data can be used in fields such as agricultural planning, environmental protection, and scientific research.