GLBRC Sustainability Data Catalog

Dry Matter Yield — GLBRC Switchgrass Variety Experiment II

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Dry matter yields from machine harvests of the Switchgrass Variety Experiment II.

This datatable is part of the Switchgrass Variety Experiment II dataset.

This dataset contains data on the KBS GLBRC Switchgrass Variety Experiment II, established in May 2021, to examine the establishment potential, productivity, and feedstock quality of switchgrass varieties Nine different varieties (T1-T9) are planted in a complete randomized block design arranged in 4 replicate blocks (R1-R4). Plots are 9.2 × 12.2 m and are equally divided lengthwise into nitrogen-fertilized (+N) and unfertilized (0N) split-plots. Varieties include three upland (Blackwell, Cave-in-Rock, and Summer), three lowland (Alamo, Kanlow, and Cedar Creek (planted in 2022)), one coastal (Timber), and two hybrid (Liberty (crossed upland-lowland), and Shawnee (modified upland)) ecotypes.

More info at https://lter.kbs.msu.edu/research/long-term-experiments/kbs-glbrc-switchgrass-variety-experiment-ii/

Note

Experiment: GLBRC Switchgrass Variety Experiment II
Data available from: November 2022 to November 2024
Dataset: GLBRC142
Datatable ID: GLBRC142-001.30
Core Areas Primary Production
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Last Updated 2024-11-15
Variate Description Units
experiment the name of the experiment
harvest year the year the harvest is allocated to
harvest date the date the crop was harvested
planting year the year the crop was planted
switchgrass variety the switchgrass variety planted
variety ecotype the ecotype of the switchgrass variety planted
replicate field replicate
plot code the plot
split the cardinal direction of the split-plot
nitrogen added the nitrogen treatment. no nitrogen added = 0N, nitrogen added according to the protocol = +N
area harvested ft2 the area that was harvested
moisture at harvest percent the moisture percentage at harvest in % %
dry matter yield kg ha dry matter yield kg/ha
comments comments about the observation
Protocols

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Data Excerpt

experiment harvest_year harvest_date planting_year switchgrass_variety variety_ecotype replicate plot split nitrogen_added area_harvested_ft2 moisture_at_harvest_percent dry_matter_yield_kg_ha comments
GLBRC Switchgrass Variety Experiment II 2023 2023-11-02 2021 Alamo lowland R1 80 N plus nitrogen 362.18 47.31 8807.39
GLBRC Switchgrass Variety Experiment II 2023 2023-11-02 2021 Alamo lowland R1 79 S no nitrogen 360.9 48.53 5326.35
GLBRC Switchgrass Variety Experiment II 2023 2023-11-02 2021 Alamo lowland R2 102 N plus nitrogen 356.18 48.37 8245.97
GLBRC Switchgrass Variety Experiment II 2023 2023-11-02 2021 Alamo lowland R2 101 S no nitrogen 355.28 48.78 5947.61
GLBRC Switchgrass Variety Experiment II 2023 2023-11-02 2021 Alamo lowland R3 124 N plus nitrogen 357.0 49.21 10107.4
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