Soil Inorganic Nitrogen — GLBRC Scale-up Experiment

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Soil extractable nitrogen (ammonium and nitrate plus nitrite) concentrations, corrected for soil moisture, in surface soils of the GLBRC Scale-up Experiment, reported as mg N per kg dry soil.

This datatable is part of the Soil Properties — KBS GLBRC Scale-up Experiment dataset.

Soil properties of fields at Lux Arbor Reserve (L1-L3) and Marshall Farm (M1-M4) planted to corn (L1, M1), switchgrass (L2, M3), and restored prairie (L3, M2) in 2010 after a 2009 no-till soybean crop in all fields to convert tilled corn-soybean-wheat rotations (AGR) at Lux Arbor and fields in the Conservation Reserve Program (CRP) at Marshall Farm to no-till bioenergy crops. One field at Marshall Farm (M4) remained as CRP brome grass to serve as a reference. Each field has 10 sampling stations (S1-S10) around which most soil sampling occurs.

Note

Experiment: GLBRC Scale-up Experiment
Data available from: May 2009 to November 2012
Dataset: KBS146
Datatable ID: KBS078-010.19
Core Areas Inorganic Nutrients,Disturbance
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Last Updated 2023-10-24
Variate Description Units
sample date date the soil was collected
experiment GLBRC experiment
treatment experimental treatment
treatment name treatment description
station sampling location
top depth soil core upper depth cm
bottom depth soil core lower depth cm
no3 soil extractable nitrate-N plus nitrite-N (average of analytical replicates, screened for outliers and corrected for soil moisture) μg/g
nh4 soil extractable ammonium-N (average of analytical replicates, screened for outliers and corrected for soil moisture) μg/g

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Data Excerpt

sample_date experiment treatment treatment_name station top_depth bottom_depth no3 nh4
2022-11-29 GLBRC Scale-up Experiment L1 AGR-Corn S1 0.0 25.0
2022-11-29 GLBRC Scale-up Experiment L1 AGR-Corn S10 0.0 25.0 0.95261 1.14423
2022-11-29 GLBRC Scale-up Experiment L1 AGR-Corn S2 0.0 25.0
2022-11-29 GLBRC Scale-up Experiment L1 AGR-Corn S3 0.0 25.0 0.88716 1.34593
2022-11-29 GLBRC Scale-up Experiment L1 AGR-Corn S4 0.0 25.0 1.32467 1.23089
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