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

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Effect of N Addition on Vegetation with Mammalian Herbivory - Experiment 008


Soil nitrate

Years Available: 1986

Principle Investigators

Huntly, Nancy
Inouye, Richard

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1Field number/letterField number/letter
2Experiment numberExperiment number
3Plot numberPlot number
4Nitrogen TreatmentNitrogen treatment applied twice per year3=3.0 g/m2; 6=14.0 g/m2; 8=40.0 g/m2; 1=no nutrients added
5Ammonium Nitrate(34-0-0) addition(g/m2/yr)Total annual fertilizer nitrogen additiongramsPerMeterSquaredPerYear
6Sampling dateSampling date (YYMMDD)
7Vial weight (g)Vial weight (g)gram
8Wet soil vial weight (g)Wet soil vial weight (g)gram
9Tin weight (g)Tin weight (g)gram
10Wet soil tin weight (g)Wet soil tin weight (g)gram
11Dry soil tin weight (g)Dry soil tin weight (g)gram
12Dilution ratioDilution ratiodimensionless
13Absorbance of NH4Absorbance of NH4dimensionless
14NO3 (mg / kg of Soil)NO3 (mg / kg of Soil)milligramPerKilogram
 

SAMPLE DATASET

Field number/letterExperiment numberPlot numberNitrogen TreatmentAmmonium Nitrate(34-0-0) addition(g/m2/yr)Sampling dateVial weight (g)Wet soil vial weight (g)Tin weight (g)Wet soil tin weight (g)Dry soil tin weight (g)Dilution ratioAbsorbance of NH4NO3 (mg / kg of Soil)
E813686073087.3128.5422.1145.1143.910.78180.0950.085
E8288086073087.73132.4621.8750.3548.840.84720.310.361
E833686073087.76133.0921.7547.3546.110.86270.1630.165
E841086073087.82135.6621.5750.1248.670.90820.0540.023
E8562886073087.34126.3321.9348.3347.170.74550.170.201
E8688086073087.63126.9221.9551.1950.070.75570.5730.792
E871086073087.15132.7622.054846.710.86690.180.186
E881086073087.93122.5121.6846.3345.080.65650.0230.028
E893686073087.64135.0321.5852.6450.810.8920.0870.065
E8103686073087.65126.7321.4450.5548.940.73840.0650.045
E81162886073087.45128.5921.6142.7841.870.78740.1570.172
E8121086073087.95134.1622.1247.3146.020.87690.1370.129
              

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Effect of N Addition on Vegetation with Mammalian Herbivory : Soil nitrate

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