GLBRC Sustainability Data Catalog

Stable isotope and hyphal biomass data from Jach-Smith and Jackson (2020) — GLBRC Switchgrass Nitrogen Rate Experiment

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Stable isotope and AMF hyphal biomass responses to zero, medium and high nitrogen application rates.

This datatable is part of the Switchgrass Nitrogen Rate Experiment dataset.

This dataset contains data from the Switchgrass Nitrogen Rate Experiment (formerly Nitrogen/Harvest) at the KBS GLBRC Intensive Field Site. Switchgrass is grown under 8 rates of nitrogen fertilization (F1-F8; 0-196 kg N/ha) with each treatment plot replicated in four blocks (R1-R4). From 2010–2012, the experiment also included split plots with two harvest strategies (H1, H2; 1 vs 2 harvests/yr) for each nitrogen treatment; from 2013 onward all split plots are harvested only once in the fall, with yields measured separately 2013-2022 and combined starting in 2023.

Note

Experiment: GLBRC Switchgrass Nitrogen Rate Experiment
Data available from: June 2014 to August 2014
Dataset: GLBRC132
Datatable ID: GLBRC132-005.126
Core Areas Disturbance
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Last Updated 2023-10-26
Variate Description Units
site experiment site
year experiment year
plot experiment plot
sampling location
nitrogen rate nitrogen application rate kg/ha
delta N15 plant delta N15 in plant in per mil μg/g
delta N15 available soil available delta N15 in per mil μg/g
delta N15 fungi delta N15 in AMF in per mil μg/g
hyphae biomass -g sand AMF biomass μg/g

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Data Excerpt

site year plot sampling_location nitrogen_rate delta_N15_plant delta_N15_available delta_N15_fungi hyphae_biomass
ARL 2014 A103 012 0 -0.53 4.362391 1.5363159 76.08
ARL 2014 A103 013 0 0.51 1.4879955 1.5204617 80.61667
ARL 2014 A103 014 0 -0.94 3.5965593 2.2606082 90.6
ARL 2014 A201 032 0 1.54 5.486654 3.9617655 115.833336
ARL 2014 A201 033 0 1.54 4.6630697 1.1900254 94.53667
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