Data from: The Automated Root Exudate System (ARES): a method to apply solutes at regular intervals to soils in the field

Lopez-Sangil L, George CT, Medina-Barcenas E, Birkett AJ, Baxendale C, Bréchet LM, Estradera-Gumbau E, Sayer EJ

Date Published: March 14, 2017

DOI: http://dx.doi.org/10.5061/dryad.dt4jq

 

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Title ARES soil variables
Downloaded 3 times
Description This dataset describes soil variables (0-10-cm depth) measured in subplots with daily applications of root exudate solution (RE) or a procedural control solution (CP), applied using the Automated Root Exudate System (ARES) within experimental litter removal (0L) and control plots (1L) in an old-growth deciduous woodland in Wytham, Oxfordshire, UK. Full descriptions of the study site and experimental design are given in the paper and appendices. Data included in this file are: soil water content, soil pH and microbial biomass carbon and nitrogen measured in the subplots at the end of the growing season in the first and second year of treatments (September 2015 and 2016) as well as fine root biomass in the second year of the study (July 2016). Column headings and abbreviations are as follows: block = replicate block A-E; Plot = unique experimental plot identifier P1-P15; treatm = litter manipulation treatment, where 0L is litter removal and 1L is control; ARES = subplot treatment, where RE is root exudate solution and CP is procedural control; year = year of study; swc = gravimetric soil water content in %; pH = soil pH; MBC and MBN = microbial biomass carbon and nitrogen, respectively, in ug g-1; fine.roots = fine root biomass in g m-2.
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Title ARES soil respiration data
Downloaded 3 times
Description This dataset describes monthly measurements of soil CO2 efflux, soil water content, and soil temperature in subplots with daily applications of root exudate solution (RE) or a procedural control solution (CP), applied using the Automated Root Exudate System (ARES) within experimental litter removal (0L) and control plots (1L) in an old-growth deciduous woodland in Wytham, Oxfordshire UK. Full descriptions of the study site and experimental design are given in the paper and appendices. Column headings and abbreviations are as follows: block = replicate block A-E; Plot = unique experimental plot identifier P1-P15; treatm = litter manipulation treatment, where 0L is litter removal and CT is control; ARES = subplot treatment, where RE is root exudate solution, CP is procedural control and 'plot' is the main litter manipulation plot; year = year of study; month = month of measurement; nom.date = nominal date of measurement (set at 1st of the month); time = consecutive time point during the study; swc = soil water content at 0-6 cm depth in %; temp10 = soil temperature at 0-10 cm depth; Rsoil = soil CO2 efflux in mg C m2-1 h-1; Flux = soil CO2 efflux in umol m-2 s-1; Comments = reasons for outliers and missing values; ObsDateTime = actual date and time of each measurement.
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When using this data, please cite the original publication:

Lopez-Sangil L, George C, Medina-Barcenas E, Birkett AJ, Baxendale C, Bréchet LM, Estradera-Gumbau E, Sayer EJ (2017) The Automated Root Exudate System (ARES): a method to apply solutes at regular intervals to soils in the field. Methods in Ecology and Evolution, online in advance of print. http://dx.doi.org/10.1111/2041-210x.12764

Additionally, please cite the Dryad data package:

Lopez-Sangil L, George CT, Medina-Barcenas E, Birkett AJ, Baxendale C, Bréchet LM, Estradera-Gumbau E, Sayer EJ (2017) Data from: The Automated Root Exudate System (ARES): a method to apply solutes at regular intervals to soils in the field. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.dt4jq
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