GLBRC Sustainability Data Catalog

Root biomass

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Root biomass sampled with deep coring and pit excavations. Samples were taken on top of, and between plants and as part of the soil excavation. The deep core samples were taken within the perimeter of the pit so to get the total root biomass per pit the deep core sample biomass needs to be added back into the pit biomass.

This datatable is part of the Whole plant carbon and nitrogen dataset. In 2017 at the GLBRC BCSE plots, above- and belowground plant biomass were sampled at maturity near- and post-machine harvest time, respectively. All samples were collected from all treatments (G1-G10), Blocks 2 through 4. The overarching goal of this project is to determine any differences on above- and belowground biomass production between annual and perennial crops dedicated to bioenergy production after ten years of establishment.

Note

Experiment: GLBRC Biofuel Cropping System Experiment
Data available from: August 2017 to December 2017
Dataset: GLBRC130
Datatable ID: GLBRC130-003.38
Core Areas Primary Production
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Last Updated 2021-10-14
Variate Description Units
sample date the day the sample was obtained
campaign the sampling campaign
site experimental site
treatment the treatment sampled
replicate the replicate plot sampled
station the sampling station within the plot
method sample method
location the sample location (nterstitial, centered on the plant, pit sample)
top depth cm the top depth of the sampling interval (cm) centimeter
bottom depth cm the lower depth of the sampling interval (cm) centimeter
biomass g m2 the dry root biomass (g/m2) g/m2
area sampled m2 the sample area (square meter) squaremeter
raw weight g the raw weight of the roots collected in the sample gram
Comments comments about the observation

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Data Excerpt

sample_date campaign site treatment replicate station method location top_depth_cm bottom_depth_cm biomass_g_m2 area_sampled_m2 raw_weight_g comments
2017-11-09 Root Excavation KBS GLBRC Intensive Site G1 R4 1 deep core center on plant 0.0 10.0 2433.86 0.004536 11.04
2017-11-09 Root Excavation KBS GLBRC Intensive Site G1 R4 1 deep core center on plant 10.0 25.0 171.958 0.004536 0.78
2017-11-09 Root Excavation KBS GLBRC Intensive Site G1 R4 1 deep core center on plant 25.0 50.0 8.81834 0.004536 0.04
2017-11-09 Root Excavation KBS GLBRC Intensive Site G1 R4 1 deep core center on plant 50.0 100.0 44.0917 0.004536 0.2
2017-11-09 Root Excavation KBS GLBRC Intensive Site G1 R4 2 deep core center on plant 0.0 10.0 1238.98 0.004536 5.62
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