Agronomic Soil Chemistry - GLBRC Intensive Sites

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Soil samples are taken annually (usually in the Fall) for fertilizer recommendations and analyzed for pH, lime index, phosphorus, potassium, calcium, magnesium, cation exchange capacity and organic matter.

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

This datatable is part of the KBS GLBRC soil properties dataset. Soil property measurements from the surface soils of the intensive experiment


Experiment: GLBRC Biofuel Cropping System Experiment
Data available from: November 2008 to October 2016
Dataset: KBS078
Datatable ID: KBS078-012.65
Core Areas Inorganic Nutrients,Disturbance
Related Tables:
Last Updated 2017-10-24
Variate Description Units
sample date date of soil sample collection
site experiment location
treatment experimental treatment
replicate replicate nested within treatment
top depth upper soil sampling depth centimeter
bottom depth lower soil sampling depth centimeter
ph pH of soil solution dimensionless
lime index indicator of potential acidity dimensionless
p ppm phosphorus concentration mg/kg
k ppm potassium concentration mg/kg
ca ppm calcium concentration mg/kg
mg ppm magnesium concentration mg/kg
main or microplot experiment where the soil was sampled from
comments notes specific to the data row

GLBRC data is not yet publicly available.

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Data Excerpt

sample_date site treatment replicate top_depth bottom_depth ph lime_index p_ppm k_ppm ca_ppm mg_ppm main_or_microplot comments
2018-12-13 KBS G01 R1 0 25 5.7 71.0 49.0 180.0 632.0 54.0 main
2018-12-13 KBS G01 R2 0 25 5.6 72.0 17.0 149.0 1165.0 169.0 main
2018-12-13 KBS G01 R3 0 25 6.5 72.0 23.0 169.0 1042.0 140.0 main
2018-12-13 KBS G01 R4 0 25 6.5 71.0 58.0 195.0 858.0 140.0 main
2018-12-13 KBS G01 R5 0 25 6.5 71.0 26.0 178.0 950.0 120.0 main
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