Total Carbon and Nitrogen of Perennial Fine Roots by Ingrowth Cores — GLBRC Biofuel Cropping System Experiment
Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use
Total carbon and nitrogen content of fine roots of BCSE perennial treatments (G5-G10) collected from ingrowth cores. Roots were sampled two times during the growing season: mid-season and at the end of the season. At KBS, roots are composited by replicate before CN analysis; at Arlington, roots from all stations are analyzed.
This datatable is part of the Roots of the Biofuel Cropping System Experiment dataset.
Different sampling methods are used to measure root production in the diverse cropping systems of the GLBRC Biofuel Cropping System Experiment (BCSE). For annual crop treatments (G1-G4), root biomass is sampled by excavating a single plant (KBS) or a known soil area (Arlington). For perennial crop treatments (G5-G10), root biomass is sampled from ~1 m deep cores and fine root production is estimated from ingrowth cores buried at the beginning of the growing season. In general, root sampling occurs around three sampling stations (S1-S3) in each replicate block (R1-R5) and at peak biomass, which means physiological maturity for annuals and pre-senescence for perennials. Roots may be analyzed for total carbon and nitrogen content.
Note
| Experiment: | GLBRC Biofuel Cropping System Experiment |
| Data available from: | January 2009 to January 2013 |
| Dataset: | GLBRC089 |
| Datatable ID: | GLBRC089-008.79 |
| Repository link: | |
| Related Tables: | |
| Personnel: |
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| Last Updated | 2023-10-24 |
| Variate | Description | Units |
|---|---|---|
| year | year of the growing season | |
| sample date | the date that the root ingrowth core was removed | |
| site | experiment location | |
| experiment | ||
| treatment | experimental treatment | |
| treatment name | description of the treatment | |
| replicate | replicate nested within treatment | |
| station | sampling location | |
| percent carbon | root carbon as percent | % |
| percent nitrogen | root nitrogen as percent | % |
| wi plot id | Arlington Wisconsin plot identifier | |
| comment | notes about the data row |
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| year | sample_date | site | experiment | treatment | treatment_name | replicate | station | percent_carbon | percent_nitrogen | wi_plot_id | comments |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 2009-08-17 | Arlington GLBRC Intensive Site | GLBRC Biofuel Cropping System Experiment | G10 | Restored Prairie | R1 | S1 | 30.91 | 1.08 | 105 | |
| 2009 | 2009-08-17 | Arlington GLBRC Intensive Site | GLBRC Biofuel Cropping System Experiment | G10 | Restored Prairie | R1 | S3 | 36.48 | 1.72 | 105 | |
| 2009 | 2009-08-17 | Arlington GLBRC Intensive Site | GLBRC Biofuel Cropping System Experiment | G10 | Restored Prairie | R1 | S2 | 36.57 | 1.22 | 105 | |
| 2009 | 2009-08-17 | Arlington GLBRC Intensive Site | GLBRC Biofuel Cropping System Experiment | G10 | Restored Prairie | R2 | S2 | 33.83 | 1.63 | 208 | |
| 2009 | 2009-08-17 | Arlington GLBRC Intensive Site | GLBRC Biofuel Cropping System Experiment | G10 | Restored Prairie | R2 | S3 | 29.51 | 1.21 | 208 |