GLBRC Sustainability Data Catalog

Agronomic Soil Chemistry from Deep and Surface Soil Cores- Rainfall Exclusion Experiment at Marginal Land Sites (MLE)

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Deep core soil samples and surface samples are taken occasionally for fertilizer recommendations and analyzed for pH, lime index, phosphorus, potassium, calcium, magnesium, cation exchange capacity and, in the Wisconsin samples, organic matter.

KBS samples are analyzed by the Michigan State University Soil and Plant Nutrient Laboratory and University of Wisconsin Soils Laboratory .

This datatable is part of the MLE – Rainfall Exclusion Experiment dataset. This dataset contains data from Rainfall Exclusion Experiment at Marginal Land Sites. The purpose of the experiment is to learn the drought effects on switchgrass. Data in this dataset can also be found in the dataset of Marginal Land Experiment.

Note

Experiment: GLBRC Marginal Land Rainfall Exclusion Experiment
Data available from: January 2012 to January 2018
Dataset: GLBRC134
Datatable ID: GLBRC134-002.49
Core Areas Inorganic Nutrients
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Last Updated 2020-07-10
Variate Description Units
year year soil sample was collected
sample date date of soil coring
site Wisconsin or Michigan sampling site
treatment experimental treatment
replicate replicate nested within treatment
campaign sampling intent
top depth cm upper soil sampling depth centimeter
bottom depth cm lower soil sampling depth
pH pH of soil solution
lime index indicator of potential acidity
p ppm phosphorus in soil mg/kg
k ppm potassium in soil mg/kg
ca ppm calcium in soil mg/kg
mg ppm magnesium ppm in soil
field section section of the field sampled
n treatment nitrogen treatment of given split plot
est cec Cation exchange capacity in meq/100g soil meq/100g
om percent organic matter percent %
wi plot id Arlington Wisconsin site's plot identifier
comments notes

GLBRC data is not yet publicly available.

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Data Excerpt

year sample_date site treatment replicate campaign top_depth_cm bottom_depth_cm ph lime_index p_ppm k_ppm ca_ppm mg_ppm field_section n_treatment est_cec om_percent wi_plot_id comments
2012 2012-09-15 Michigan Central - Lake City Exp. Station G10 R1 surface sampling 0 22 6.7 71.0 37.0 29.0 732.0 121.0 entire plot control 4.74269 Sample was collected in September 2012 but the actual date in September is unknown.
2012 2012-09-15 Michigan Central - Lake City Exp. Station G10 R2 surface sampling 0 22 6.4 70.0 37.0 61.0 397.0 59.0 entire plot control 2.63308 Sample was collected in September 2012 but the actual date in September is unknown.
2012 2012-09-15 Michigan Central - Lake City Exp. Station G10 R3 surface sampling 0 22 6.7 70.0 51.0 156.0 476.0 95.0 entire plot control 3.57167 Sample was collected in September 2012 but the actual date in September is unknown.
2012 2012-09-15 Michigan Central - Lake City Exp. Station G10 R4 surface sampling 0 22 6.2 69.0 19.0 99.0 560.0 104.0 entire plot control 5.12051 Sample was collected in September 2012 but the actual date in September is unknown.
2012 2012-09-15 Michigan Central - Lake City Exp. Station G11 R1 surface sampling 0 22 6.5 70.0 54.0 33.0 546.0 81.0 entire plot control 3.48962 Sample was collected in September 2012 but the actual date in September is unknown.
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