Soil Test Lab Analyses - Agronomic — Main Cropping System Experiment (MCSE)

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Soil samples taken for fertilizer recommendations. Samples are collected from the LTER Main Site, treatments 1-4 and 6 and analyzed for pH, CEC, phosphorous and potassium.

This datatable is part of the Agronomic Soil Test Results dataset. Soil samples are taken annually (usually in the Fall) for fertilizer recommendations and analyzed by the Michigan State University Soils Laboratory. The soil samples are taken from the annual treatments T1 though T4 and T6.

Note

Experiment: Main Cropping System Experiment (MCSE)
Data available from: November 1992 to October 2022
Dataset: KBS066
Datatable ID: KBS066-001.51
Core Areas Inorganic Nutrients,Disturbance
Repository link: http://doi.org/10.6073/pasta/3c4c64c828c5281b28aa355bdcb81363
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Last Updated 2023-03-20
Variate Description Units
Sample Date date the sample was taken on
Treatment main site treatment
Replicate main site replicate
Depth sample depth
pH measured pH dimensionless
CEC cation exchange capacity in meq/100g soil meq/100g
phosphorus Bray P1 phosphorus mg/kg
potassium potassium mg/kg
calcium calciium mg/kg
magnesium magnesium mg/kg
lime index lime index dimensionless
zn ppm zinc mg/kg
s ppm sulfur mg/kg
b ppm boron mg/kg
comment comment
year year of the sample
top depth cm the top depth of the sample as measured from the soil surface centimeter
bottom depth cm the bottom depth of the sample as measured from the soil surface. centimeter
lab the lab that did the analysis
duplicate duplicate sample sent to the lab to determine within sample consistency. 0 means that no duplicates were sent, a number greater than zero are a label for duplicate samples.

Data Excerpt

sample_date treatment replicate depth ph cec phosphorus potassium calcium magnesium lime_index z_ppm s_ppm b_ppm comment year top_depth_cm bottom_depth_cm lab duplicate
2022-10-03 T1 R1 0-25 cm 6.3 5.915385 21.0 97.0 850.0 170.0 71.0 2022 0.0 25.0 Soil and Plant Nutrient Laboratory MSU 0
2022-10-03 T2 R3 0-25 cm 6.3 7.1566668 21.0 117.0 1023.0 209.0 70.0 2022 0.0 25.0 Soil and Plant Nutrient Laboratory MSU 1
2022-10-03 T3 R4 0-25 cm 6.2 6.665513 19.0 125.0 949.0 192.0 70.0 2022 0.0 25.0 Soil and Plant Nutrient Laboratory MSU 1
2022-10-03 T1 R3 0-25 cm 6.1 6.716026 54.0 146.0 960.0 185.0 70.0 2022 0.0 25.0 Soil and Plant Nutrient Laboratory MSU 0
2022-10-03 T1 R4 0-25 cm 6.4 6.6660256 20.0 133.0 950.0 189.0 71.0 2022 0.0 25.0 Soil and Plant Nutrient Laboratory MSU 0
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