Agronomic Yields - Switchgrass

Agronomic yields for the Switchgrass Nitrogen/Harvest Experiment on the GLBRC Biofuel Intensive Site. Plants are grown under 8 treatments of nitrogen fertilizer and two harvest strategies. Note that in 2009 there was only one harvest.

This datatable is part of the KBS GLBRC Agronomic Yields dataset. Agronomic yield record for the KBS Great Lakes Biofuels Research Center (GLBRC) Intensive site and the GLBRC scale-up fields.

Note

Experiment: Switchgrass Nitrogen Rate Experiment
Data available from: January 2009 to October 2017
Dataset: KBS060
Datatable ID: KBS060-007.52
Core Areas Primary Production,Disturbance
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Last Updated 2018-03-26
Variate Description Units
year year of the growing season
harvest date date the crop was harvested
treatment n rate amount of nitrogen added to the experimental treatment lb/ac
replicate replicate nested within treatment
yield tons acre dry matter yield tons/acre
yield mg ha dry matter yield Mg/ha
moisture percent crop percent moisture at harvest %
harvest strategy number of harvests per year
plot plot identifier
comments sample notes

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Data Excerpt

year harvest_date treatment_n_rate replicate yield_tons_acre yield_mg_ha moisture_percent harvest_strategy plot comments
2017 2017-10-09 0 1 3.83 8.59 30.5 1 harvest per year 108 This plot was harvested 2x/year through 2012
2017 2017-10-09 0 1 3.48 7.80 33.4 1 harvest per year 108
2017 2017-10-09 25 1 3.64 8.15 31.3 1 harvest per year 104 This plot was harvested 2x/year through 2012
2017 2017-10-09 25 1 3.18 7.14 31.5 1 harvest per year 104
2017 2017-10-09 50 1 3.27 7.33 37.0 1 harvest per year 102
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