Agronomic Log — GLBRC Marginal Land 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Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Records of agronomic activities carried out on the GLBRC Marginal Land sites in Michigan.

This datatable is part of the Marginal Land Experiment dataset.

Data for the Michigan GLBRC Marginal Land Experiment.

Experiment:	GLBRC Marginal Land Experiment
Data available from:	September 2012 to October 2019
Dataset:	KBS105
Datatable ID:	KBS105-004.95
Repository link:
Related Tables:	Dry Matter Yield Soil Chemistry from Deep and Surface Soil Cores- Marginal Sites GLBRC Soil Carbon and Nitrogen Switchgrass Varieties Planted on the GLBRC Marginal Land Experiment MLE soil characterization (pit samples)
Personnel:	Phil Robertson, lead investigator Kurt Thelen, investigator Gregg Sanford, investigator
Last Updated	2023-10-24

Variate	Description	Units
obs date	date the activity occurred
observation type	type of activity performed
comment	aglog entry
name	state, site (northern, central or southern), treatment, replicate
material	material applied
rate	rate the material is applied at
units	rate unit
equipment	equipment
observation id	observation id. This can be used to retrieve the original observation at http://aglog.kbs.msu.edu/observations/

Protocols
GLBRC Marginal Land Experiment – Sampling

GLBRC data is not yet publicly available.

Data Excerpt

obs_date	observation_type	comment	name	material	rate	units	equipment	observation_id
2026-08-24	Herbicide Application	sprayed glyphosate mixed with Garlon 3 with Jacto sprayer to kill weeds and any poplar trees to ready plots for following year tree planting.	MCG8R1	Herbicide: Garlon 3A	2.0	quart	Jacto DJB-20 backpack sprayer	7164
2026-08-24	Herbicide Application	sprayed glyphosate mixed with Garlon 3 with Jacto sprayer to kill weeds and any poplar trees to ready plots for following year tree planting.	MCG8R1	Buccaneer Plus	2.0	quart	Jacto DJB-20 backpack sprayer	7164
2026-08-24	Herbicide Application	sprayed glyphosate mixed with Garlon 3 with Jacto sprayer to kill weeds and any poplar trees to ready plots for following year tree planting.	MCG8R1					7164
2026-08-24	Herbicide Application	sprayed glyphosate mixed with Garlon 3 with Jacto sprayer to kill weeds and any poplar trees to ready plots for following year tree planting.	MCG8R2					7164
2026-08-24	Herbicide Application	sprayed glyphosate mixed with Garlon 3 with Jacto sprayer to kill weeds and any poplar trees to ready plots for following year tree planting.	MCG8R2	Buccaneer Plus	2.0	quart	Jacto DJB-20 backpack sprayer	7164