Bulk Density on the Marginal Sites

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Bulk density calculated from deep core samples

This datatable is part of the Marginal Land Experiment dataset. Data for the Michigan and Wisconsin GLBRC Marginal Land Experiment.

Experiment:	GLBRC Marginal Land Experiment
Data available from:	January 2013
Dataset:	GLBRC094
Datatable ID:	GLBRC094-009.224
Repository link:
Related Tables:	Dry Matter Yield - Marginal Land Experiments Agronomic Soil Chemistry from Deep and Surface Soil Cores- Marginal Sites Agronomic Log - GLBRC Marginal Sites GLBRC Soil Carbon and Nitrogen Switchgrass Varieties Planted on the GLBRC Marginal Land Experiment MLE soil moisture profiles Switchgrass Dry Matter Yield - Marginal Land Experiments stand counts of perennial crops at MLE sites
Related Files:	mle-plots.zip lake-city.zip escanaba.zip
Personnel:
Last Updated	2021-06-07

Variate	Description	Units
year	the year the sample was taken
sample date	the date the sample was taken
site	the sample site
experiment	the experiment
treatment	the experimental treatment
replicate	the experimental replicate plot
field section	the subsection of the plot
actual top depth cm	the soil depth to the top of the core section	centimeter
actual bottom depth cm	the soil depth to the bottom of the core section	centimeter
nominal top depth cm	the top depth prescribed by the protocol	centimeter
nominal bottom depth cm	the bottom depth prescribed by the protocol	centimeter
core diameter	diameter of the core taken	centimeter
bulk density gravel free	bulk density after removing gravel >4 mm	grams/cubiccentimeter
total bulk density	total bulk density	grams/cubiccentimeter
gravel weight		gram
comments	comments about the sample
campaign	the sample campaign

Protocols
Marginal Land Sampling

GLBRC data is not yet publicly available.

Data Excerpt

year	sample_date	site	experiment	treatment	replicate	field_section	actual_top_depth_cm	actual_bottom_depth_cm	nominal_top_depth_cm	nominal_bottom_depth_cm	core_diameter	bulk_density_gravel_free	total_bulk_density	gravel_weight	campaign
2013	2013-11-25	Michigan Central - Lake City Exp. Station	GLBRC Marginal Land Experiment	G10	R1	entire plot	25.0	50.0	25.0	50.0	7.6	1.65432749504925	1.66831759620488	15.95	deep core sampling
2013	2013-11-25	Michigan Central - Lake City Exp. Station	GLBRC Marginal Land Experiment	G10	R1	entire plot	10.0	25.0	10.0	25.0	7.6	1.37914368884252	1.41359997768664	23.57	deep core sampling
2013	2013-11-25	Michigan Central - Lake City Exp. Station	GLBRC Marginal Land Experiment	G10	R1	entire plot	0.0	10.0	0.0	10.0	7.6	1.19213248723769	1.20421484732665	5.51	deep core sampling
2013	2013-11-25	Michigan Central - Lake City Exp. Station	GLBRC Marginal Land Experiment	G10	R1	entire plot	50.0	84.0	50.0	100.0	7.6	1.72900804375332	1.74804030841784	29.51	deep core sampling
2013	2013-11-25	Michigan Central - Lake City Exp. Station	GLBRC Marginal Land Experiment	G10	R2	entire plot	25.0	50.0	25.0	50.0	7.6	1.54863671445253	1.5652230977035	18.91	deep core sampling