Soil Inorganic Nitrogen

Surface (0 to 25 cm) inorganic nitrogen concentrations of nitrate-N and ammonium-N for soils collected from the Main Cropping System Experiment organized by treatment and plot.

This datatable is part of the Soil Inorganic Nitrogen on the Main Cropping System Experiment dataset. Measurement of soil inorganic nitrogen began in 1989 for all treatments on the LTER Main Site and 1993 on the Successional and Forest sites. Ammonium and nitrate are analyzed twice monthly or monthly during the growing season on baseline soil samplings. Additional datasets from the Baseline Soil Samplings include soil moisture, total N and total C.

Note

Experiment: Main Cropping System Experiment (MCSE)
Data available from: January 1989 to January 2016
Dataset: KBS021
Datatable ID: KBS021-002.39
Core Areas Inorganic Nutrients,Disturbance
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Personnel:
Last Updated 2018-03-27
Variate Description Units
Year year in which the date occurs
Campaign sampling effort with which the data is associated
Date date of soil sampling
Treatment main LTER treatment
Replicate replicate block
Nitrate soil extractable nitrate plus nitrite, as N (average of analytical replicates, screened for outliers and corrected for soil moisture) μg/g
Ammonium soil extractable ammonium as N (average of analytical replicates, screened for outliers and corrected for soil moisture) μg/g
Protocols
Soil Inorganic N

Data Excerpt

year campaign date treatment replicate nitrate ammonium
2016.0 Soil Inorganic N 2016-04-13 T6 R5 1.33 2.89
2016.0 Soil Inorganic N 2016-04-13 T6 R6 1.55 2.68
2016.0 Soil Inorganic N 2016-04-13 T7 R1 0.87 6.64
2016.0 Soil Inorganic N 2016-04-13 T7 R2 2.67 5.27
2016.0 Soil Inorganic N 2016-04-13 T7 R3 1.00 7.09
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