Belowground Biomass - Perennial Crops

Standing stock of live and dead root biomass sampled at the end of the growing season from four depth ranges down to one meter.

This datatable is part of the GLBRC Roots dataset. Below ground primary production for the GLBRC plots.

Experiment:	GLBRC Biofuel Cropping System Experiment
Data available from:	November 2009 to December 2011
Dataset:	KBS085
Datatable ID:	KBS085-003.60
Core Areas	Primary Production,Disturbance
Related Tables:	Root Productivity (BNPP), Total carbon and Nitrogen - Annual Crops (G1-G4) Fine Root Productivity (BNPP) - Perennial Crops (G5-G10) Root Productivity (BNPP), Total carbon and Nitrogen - Perennial Crops (G5-G10) Root Biomass from Cover Crops Root Biomass (BNPP) of GLBRC Scale-up Fields Fine Root Productivity (BNPP) and Carbon and Nitrogen - Perennial Crops (G5-G10) Root biomass (BNPP) of GLBRC Annual Crops Carbon and Nitrogen from Fine Roots sampled from In-growth Chambers
Personnel:	Phil Robertson, lead investigator
Last Updated	2017-01-26

Variate	Description	Units
year	year of the growing season
sample date	date the roots were collected
site	experiment location
treatment	experimental treatment
replicate	replicate nested within treatment
transect position	position along the transect
species	dominant plant species at center
depth top	top depth of the root core	centimeter
depth bottom	botttom depth of the root core	centimeter
biomass g m2	Root biomass as area. Note that core lengths vary.	g/m²
core area	area of the core	squarecentimeters
comments	data notes

Protocols
Below Ground Net Primary Production- GLBRC Intensive Sites
Below Ground Net Primary Production- GLBRC BCSE Sites

GLBRC data is not yet publicly available.

Data Excerpt

year	sample_date	site	treatment	replicate	transect_position	species	depth_top	depth_bottom	biomass_g_m2	core_area
2013	2013-12-05	KBS	G10	R1	center of plant	Sorghastrum nutans (L.) Nash ex Small	50	100	275.13	45.6
2013	2013-12-05	KBS	G10	R1	adjacent to plant	Sorghastrum nutans (L.) Nash ex Small	25	50	189.47	45.6
2013	2013-12-05	KBS	G10	R1	center of plant	Sorghastrum nutans (L.) Nash ex Small	25	50	166.36	45.6
2013	2013-12-05	KBS	G10	R1	interstitial space	Sorghastrum nutans (L.) Nash ex Small	0	10	202.48	45.6
2013	2013-12-05	KBS	G10	R1	adjacent to plant	Sorghastrum nutans (L.) Nash ex Small	50	100	325.59	45.6