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

Dataset

The Effects of Adding Different Levels of Nitrogen at Different Times During the Growing Season - Experiment 025


Plant aboveground biomass data

Years Available: 1985 - 1988

Principle Investigators

Inouye, Richard

View All Experiment and Dataset Methods

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ATTRIBUTES

FieldNameDefinitionUnitCode
1Field number/letterField number/letter
2Experiment numberExperiment number
3Plot numberPlot number
4Time of Nitrogen ApplicationTime of year nitrogen was applied 0=no nutrients applied; 1=first and third weeks of May; 2=first and third weeks of June; 3=first and third weeks of July
5Nitrogen TreatmentNitrogen treatment applied twice per year5=8.0 g/m2; 7=25.0 g/m2; 9=no nutrients
6Nitrogen fertilizer addition (g/m2/yr)Total annual nitrogen fertilizer additiongramsPerMeterSquaredPerYear
7Sampling date (YYMMDD)Sampling date (YYMMDD)
8Species NameSpecies Name
9Species Biomass Species Biomass (g/m2)gramsPerSquareMeter
10Species proportion of total biomassSpecies proportion of total biomassdimensionless
 

SAMPLE DATASET

Field number/letterExperiment numberPlot numberTime of Nitrogen ApplicationNitrogen TreatmentNitrogen fertilizer addition (g/m2/yr)Sampling date (YYMMDD)Species nameSpecies Biomass (g/m2)Species proportion of total biomass
A2513750850730Agropyron repens41.050.4777
A2513750850730Agrostis scabra7.4150.0863
A2513750850730Ambrosia artemisiifolia elatior1.70.0198
A2513750850730Aristida basiramea3.2150.0374
A2513750850730Berteroa incana0.050.0006
A2513750850730Cladonia & lichens98.80
A2513750850730Erigeron strigosus27.60.3212
A2513750850730Euphorbia supina0.020.0002
A2513750850730Fragaria virginiana0.010.0001
A2513750850730Hedeoma hispida0.460.0054
A2513750850730Hieracium longipilum4.370.0509
A2513750850730Lepidium densiflorum0.0350.0004
          

Download dataset ple025
The Effects of Adding Different Levels of Nitrogen at Different Times During the Growing Season : Plant aboveground biomass data

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