N15 content of selected plant biomass samples — LTAR Aspirational Cropping System Experiment (ACSE)
Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use
Natural abundance N15 measurements were made to estimate the amount of N fixation in different cropping systems.
This datatable is part of the LTAR agronomic production datasets dataset.
This dataset collects LTAR agronomic data
Note
Experiment: | LTAR Aspirational Cropping System Experiment (ACSE) |
Data available from: | September 2022 to May 2023 |
Dataset: | LTAR002 |
Datatable ID: | LTAR002-004.37 |
Repository link: | |
Related Tables: | |
Personnel: |
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Last Updated | 2023-11-09 |
Variate | Description | Units |
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sample date | the date the plants were sampled | |
treatment | the field treatment sampled | |
replicate | the replicate sampled | |
species | the species sampled | |
delta n15 | the measured dleta N15 value in ppb | |
geometry | the plot polygon as well known text |
Protocols |
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Data Excerpt
sample_date | treatment | replicate | species | delta_n15 | geometry |
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2023-05-03 | ASP5 | R1 | Cichorium intybus | 0.92 | SRID=4326;MULTIPOLYGON(((-85.38216103439298 42.40152666855793,-85.38216105087193 42.40229201449644,-85.38182088134214 42.40229202131794,-85.38182086899923 42.40152667544962,-85.38216103439298 42.40152666855793))) |
2023-05-03 | ASP5 | R1 | Lolium multiflorum Lam. | 1.47 | SRID=4326;MULTIPOLYGON(((-85.38216103439298 42.40152666855793,-85.38216105087193 42.40229201449644,-85.38182088134214 42.40229202131794,-85.38182086899923 42.40152667544962,-85.38216103439298 42.40152666855793))) |
2023-05-03 | ASP5 | R1 | Medicago sativa L. | -0.36 | SRID=4326;MULTIPOLYGON(((-85.38216103439298 42.40152666855793,-85.38216105087193 42.40229201449644,-85.38182088134214 42.40229202131794,-85.38182086899923 42.40152667544962,-85.38216103439298 42.40152666855793))) |
2023-05-03 | ASP5 | R1 | Trifolium pratense L. | 0.76 | SRID=4326;MULTIPOLYGON(((-85.38216103439298 42.40152666855793,-85.38216105087193 42.40229201449644,-85.38182088134214 42.40229202131794,-85.38182086899923 42.40152667544962,-85.38216103439298 42.40152666855793))) |
2023-05-03 | ASP5 | R2 | Cichorium intybus | 2.43 | SRID=4326;MULTIPOLYGON(((-85.37889338924379 42.40242709920285,-85.37889336565232 42.40319244435031,-85.37855319155626 42.40319244138886,-85.37855321928397 42.402427096311854,-85.37889338924379 42.40242709920285))) |