Soil Inorganic Nitrogen by Treatment — Main Cropping System Experiment (MCSE)

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Soil nitrate and ammonium values averaged by treatment. This dataset is derived from the Soil Nitrate and Ammonium datatable.

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 2021
Dataset: KBS021
Datatable ID: KBS021-001.84
Core Areas Inorganic Nutrients
Repository link: http://doi.org/10.6073/pasta/ad375cd7fa90c175ab71430a363fd72e
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Last Updated 2022-09-14
Variate Description Units
Year Year in which the date occurs
Campaign The sampling campaign
sample date date of sampling
Treatment treatment
sub plot the sub_plot if any. On T3 and T4 these are mainly the strip plots 'ST'
Nitrate soil nitrate pool averaged within treatment across replicates μg/g
Ammonium soil ammonium pool averaged within treatment across replicates μg/g
top depth cm top depth of the soil sample measured from the soil surface centimeter
bottom depth cm bottom depth of the soil sample as measured from the soil surface centimeter
Protocols
Soil Inorganic N

Data Excerpt

year campaign sample_date treatment sub_plot nitrate ammonium top_depth_cm bottom_depth_cm
2021 Soil Inorganic N 2021-11-30 T1 3.651 3.555 0 25
2021 Soil Inorganic N 2021-11-30 T2 2.112 2.013 0 25
2021 Soil Inorganic N 2021-11-30 T3 2.927 2.293 0 25
2021 Soil Inorganic N 2021-11-30 T4 3.122 2.775 0 25
2021 Soil Inorganic N 2021-11-30 T5 1.009 3.41 0 25
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