陕西长武王东沟流域1:1万土壤速效氮含量分级图(1995年)
收藏国家地球系统科学数据中心2023-04-07 更新2024-03-04 收录
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资源简介:
数据为陕西长武王东沟流域土壤速效氮含量分级图,是用土壤类型图为底图,在采样分析基础上,对土壤全速效氮含量的制图,比例尺为1:1万,时间为1995年。速效氮含量氛围三个等级,分别为100-149mg/kg、30-49 mg/kg、50-99 mg/kg。
This dataset is a graded map of soil total available nitrogen content in the Donggou Watershed, Changwu County, Shaanxi Province. It was compiled using a soil type map as the base map, based on field sampling and laboratory analysis, with a scale of 1:10,000 and produced in 1995. The soil available nitrogen content is divided into three grades: 100–149 mg/kg, 30–49 mg/kg, and 50–99 mg/kg.
提供机构:
中国科学院教育部水土保持与生态环境中心
创建时间:
2017-12-29



