Soil Moisture on the Main Cropping System Experiment at the Kellogg Biological Station, Hickory Corners, MI (1989 to 2012)

Dataset Abstract Measurements of soil moisture began in 1989 for all treatments on the LTER main site and in 1993 on the successional and forest sites. Soil moisture is analyzed on the baseline soil samplings which are collected twice monthly or monthly during the growing season. The percent gravimetric moisture content is calculated on a dry weight basis. Other datasets from the baseline soil samplings include Inorganic nitrogen and Total N and Total C. original data source http://lter.kbs.msu.edu/datasets/18数据集摘要 长期生态研究（Long-Term Ecological Research，LTER）核心样地所有处理组的土壤湿度测量工作于1989年启动，演替样地与森林样地的测量则于1993年启动。土壤湿度的分析依托基线土壤采样样本开展，生长季内采样频率为每月两次或每月一次。重量含水率百分比以干重为基准进行计算。基线土壤采样所得的其他数据集包括无机氮、总氮（Total N）与总碳（Total C）。 原始数据来源：http://lter.kbs.msu.edu/datasets/18