Fine Root Productivity (BNPP) and Carbon and Nitrogen - Perennial Crops (G5-G10) — 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Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use
Fine root production estimated using root in-growth cores. To determine an approximate peak standing crop, two root in-growth cores were installed at the beginning of the growing season at each sampling location; one of them was collected mid-season and the other was collected at the end of the season. BNPP (fine root biomass to given depth) was measured as well as carbon and nitrogen. Calculated grams of carbon and nitrogen in fine roots by area is also given.
KBS BNPP is averaged by station here because KBS CN data were grouped by station. BNPP data by station are available for KBS at: http://lter.kbs.msu.edu/datatables/306
This datatable is part of the GLBRC Roots dataset.
Below ground primary production for the GLBRC plots.
Note
| Experiment: | GLBRC Biofuel Cropping System Experiment |
| Data available from: | January 2009 to January 2013 |
| Dataset: | KBS085 |
| Datatable ID: | KBS085-006.92 |
| Repository link: | |
| Related Tables: |
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| Personnel: |
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| Last Updated | 2023-10-24 |
| Variate | Description | Units |
|---|---|---|
| year | year of growing season | |
| date installed | The date that the root ingrowth core was installed. | |
| sample date | The date that the root ingrowth core was removed. | |
| site | experiment location | |
| treatment | experiment treatment | |
| replicate | replicate nested within treatment | |
| station | sampling location | |
| depth bottom | Lower depth of the root core. Upper core area is at surface. | cm |
| core area | area of the root core tube | |
| species | crop plants | |
| biomass g m2 | root biomass | g/m2 |
| campaign | distinct research activity | |
| wi plot id | plot identifier used only by Arlington site | |
| percent carbon | root carbon as percent | % |
| percent nitrogen | root nitrogen as percent | % |
| c g m2 | percent carbon X BNPP in g/m2. KBS BNPP is averaged by station here. Arlington has CN data and BNPP for each station. | g/m2 |
| n g m2 | Percent nitrogen X BNPP in g/m2. KBS BNPP is averaged by station here. Arlington has CN data and BNPP for each station. | g/m2 |
| comment | notes about the data row |
| Protocols |
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| Plant Total Carbon and Nitrogen |
GLBRC data is not yet publicly available.
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| year | date_installed | sample_date | site | treatment | replicate | station | core_area | plants | depth_bottom | average_biomass_g_m2 | campaign | comment | percent_nitrogen | percent_carbon | n_g_m2 | c_g_m2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 2011-03-31 | 2011-11-04 | KBS GLBRC Intensive Site | G8 | R5 | all stations | 19.634954 | Avena sativa L. (*) | 13.0 | 23.2567 | end of season | Ingrowth cores were sampled on Nov. 4 and Nov 7 but we do not know which day a plot was sampled, therefore Nov 4, 2011 was arbitrarily selected for all plots for biomass and CN data. cores were combined before grinding for CN analysis | 1.1028 | 33.6213 | 0.2565 | 7.8192 |
| 2011 | 2011-03-31 | 2011-11-04 | KBS GLBRC Intensive Site | G8 | R4 | all stations | 19.634954 | Avena sativa L. (*) | 13.0 | 113.9667 | end of season | Ingrowth cores were sampled on Nov. 4 and Nov 7 but we do not know which day a plot was sampled, therefore Nov 4, 2011 was arbitrarily selected for all plots for biomass and CN data. cores were combined before grinding for CN analysis | 0.9828 | 40.4706 | 1.12 | 46.123 |
| 2011 | 2011-03-31 | 2011-11-04 | KBS GLBRC Intensive Site | G8 | R3 | all stations | 19.634954 | Avena sativa L. (*) | 13.0 | 91.0633 | end of season | Ingrowth cores were sampled on Nov. 4 and Nov 7 but we do not know which day a plot was sampled, therefore Nov 4, 2011 was arbitrarily selected for all plots for biomass and CN data. cores were combined before grinding for CN analysis | 0.7019 | 17.9756 | 0.6392 | 16.3692 |
| 2011 | 2011-03-31 | 2011-11-04 | KBS GLBRC Intensive Site | G8 | R2 | all stations | 19.634954 | Avena sativa L. (*) | 13.0 | 392.04 | end of season | Ingrowth cores were sampled on Nov. 4 and Nov 7 but we do not know which day a plot was sampled, therefore Nov 4, 2011 was arbitrarily selected for all plots for biomass and CN data. cores were combined before grinding for CN analysis | 0.9695 | 41.1278 | 3.801 | 161.2374 |
| 2011 | 2011-03-31 | 2011-11-04 | KBS GLBRC Intensive Site | G8 | R1 | all stations | 19.634954 | Avena sativa L. (*) | 13.0 | 77.19 | end of season | Ingrowth cores were sampled on Nov. 4 and Nov 7 but we do not know which day a plot was sampled, therefore Nov 4, 2011 was arbitrarily selected for all plots for biomass and CN data. cores were combined before grinding for CN analysis | 1.0593 | 33.5288 | 0.8176 | 25.8809 |