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Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use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: | LTAR002-004.55 |
| Repository link: | |
| Related Tables: | |
| Personnel: |
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| Last Updated | 2023-11-09 |
| Variate | Description | Units |
|---|---|---|
| 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 |
|---|---|---|---|---|---|
| 2023-05-03 | ASP5 | R1 | Cichorium intybus | 0.92 | SRID=6345;POLYGON((633141.5964422665 4695626.559641591,633139.9764861749 4695711.544203387,633167.9713935775 4695712.078206666,633169.5913496695 4695627.093644871,633141.5964422665 4695626.559641591)) |
| 2023-05-03 | ASP5 | R1 | Lolium multiflorum Lam. | 1.47 | SRID=6345;POLYGON((633141.5964422665 4695626.559641591,633139.9764861749 4695711.544203387,633167.9713935775 4695712.078206666,633169.5913496695 4695627.093644871,633141.5964422665 4695626.559641591)) |
| 2023-05-03 | ASP5 | R1 | Medicago sativa L. | -0.36 | SRID=6345;POLYGON((633141.5964422665 4695626.559641591,633139.9764861749 4695711.544203387,633167.9713935775 4695712.078206666,633169.5913496695 4695627.093644871,633141.5964422665 4695626.559641591)) |
| 2023-05-03 | ASP5 | R1 | Trifolium pratense L. | 0.76 | SRID=6345;POLYGON((633141.5964422665 4695626.559641591,633139.9764861749 4695711.544203387,633167.9713935775 4695712.078206666,633169.5913496695 4695627.093644871,633141.5964422665 4695626.559641591)) |
| 2023-05-03 | ASP5 | R2 | Cichorium intybus | 2.43 | SRID=6345;POLYGON((633408.6088922285 4695731.671099242,633406.9889361353 4695816.655661037,633434.9838435396 4695817.189664316,633436.6037996315 4695732.205102523,633408.6088922285 4695731.671099242)) |