GLBRC Sustainability Data Catalog

Unfertilized/Fertilized Yield Experiment

Microplots were established on the perennial crops to look at the affects of fertilization on yield. Treatments G5, G6, G7, G9 are normally fertilized so the microplot was unfertilized and G10 does not receive fertilizer so the G10 microplot was fertilized.

This datatable is part of the GLBRC Agronomic Yields dataset. This data set contains information about agronomic yields for the GLBRC Biofuel Cropping System Experiment, the Stover Removal Experiment and the Unfertilized/fertilized Experiment at Kellogg Biological Station and Arlington and also for the GLBRC Scale-up experiment and Switchgrass N-rate experiments at KBS. Perennial treatments include herbaceous perennials- switchgrass, miscanthus, grass mix, old field and prairie (G5,G6, G7, G9 and G10) and poplar trees (G8) . Annual treatments include continuous corn (G1), and during 2008-2011 corn-soybean–canola rotations (G2-G4). In 2012 ,G2-G4 treatments no longer planted canola and added cover crops to a corn-soy rotation. Agronomic yields are measured during normal crop harvest by machine harvesters appropriate to each crop as described in the GLBRC Agronomic Protocol.


Experiment: GLBRC Biofuel Cropping System Experiment
Data available from: January 2009 to November 2014
Dataset: GLBRC081
Datatable ID: GLBRC081-006.66
Related Tables:
Last Updated 2017-10-24
Variate Description Units
year year of the growing season
harvest date harvest date
site location of experiment
main or microplot data are from the main section of the field or the microplot?
crop plants for harvest
treatment experimental treatment
replicate replicate block nested in treatment
wi plot id Arlington's plot code
area harvested ft2 area harvested squarefoot
dry matter yield mg ha yield as dry matter Mg/ha
moisture at harvest percent moisture measured at harvest %
comments comments
field section section of the field harvested

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Data Excerpt

year harvest_date site main_or_microplot crop treatment replicate wi_plot_id field_section area_harvested_ft2 dry_matter_yield_mg_ha moisture_at_harvest comments
2016 2016-11-09 Arlington nitrogen microplot control restored prairie G10 R1 105 east 1050 4.00245700819541 39.7483
2016 2016-11-09 Arlington nitrogen microplot restored prairie G10 R1 105 west 1050 4.52307271532694 39.1456
2016 2016-11-10 Arlington nitrogen microplot restored prairie G10 R2 208 west 1050 4.07249235704835 35.5386
2016 2016-11-10 Arlington nitrogen microplot control restored prairie G10 R2 208 east 1050 3.81644472102724 39.144
2016 2016-11-10 Arlington nitrogen microplot control restored prairie G10 R3 306 east 1050 4.11871503209907 31.2694
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