University of Minnesota
University of Minnesota
College of Biological Sciences
http://www.cbs.umn.edu/

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Effects of Long Term Fertilization and Oak Canopy Cover on Plant Communities and Ecosystem Processes - Experiment 142


Plant belowground biomass carbon and nitrogen

Years Available: 1999 - 2004

Principle Investigators

Reich, Peter

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1ExperimentExperiment
2YearYear (YYYY)
3PlotPlot
4Microplot Fertilizer TreatmentNitrogen Treatment Identification (E, G or I)
5Annual Nitrogen fertilizer addition (g/m2/year)Total annual nitrogen fertilizer applied to plotgramsPerMeterSquaredPerYear
6Annual percent Nitrogen addition (g/m2/year)Annual Nitrogen addition (fertilizer at 0.34%N times grams fertilizer added)gramsPerMeterSquaredPerYear
71996 Canopy coverTree canopy cover over the points in 1996
8Points SampledPoints within the plot included in the biomass sample
9Biomass typeCategory of sorted biomass used in analysis
10DepthDepth range of the sample core (cm)centimeter
11Percent CarbonPercent Carbondimensionless
12Percent NitrogenPercent Nitrogendimensionless
13Carbon Nitrogen RatioCarbon to Nitrogen Ratiodimensionless
 

SAMPLE DATASET

Experiment YearPlot Microplot Fertilizer TreatmentAnnual Nitrogen fertilizer addition (g/m2/year)Annual percent Nitrogen addition (g/m2/year)1996 Canopy coverPoints SampledBiomass typeDepthPercent CarbonPercent NitrogenCarbon Nitrogen Ratio
E14219991I00IN1,2,5,8Roots0-201.15646.66740.358
E14219991I00OUT10,13,15,16Roots0-200.63752.0581.773
E14219991I00IN1,2,5,8Roots20-400.68547.02968.663
E14219991I00OUT10,13,15,16Roots20-400.66944.2366.118
E14219992G5017IN3,4,5,8Roots0-201.70143.81425.762
E14219992G5017OUT9,12,14,15Roots0-201.34249.07736.565
E14219992G5017IN3,4,5,8Roots20-400.98450.5651.382
E14219992G5017OUT9,12,14,15Roots20-401.13247.66342.097
E14219993E165.44IN1,5,7,8Roots0-201.04148.16146.252
E14219993E165.44OUT12,13,14,16Roots0-200.85143.90751.622
E14219993E165.44IN1,5,7,8Roots20-400.86751.18659.069
E14219993E165.44OUT12,13,14,16Roots20-400.70345.96465.372
             

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Effects of Long Term Fertilization and Oak Canopy Cover on Plant Communities and Ecosystem Processes : Plant belowground biomass carbon and nitrogen

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