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

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Effects of Various Nutrients and Water on Vegetation - Experiment 003


Soil nitrate and ammonium

Years Available: 1991

Principle Investigators

Tilman, David

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1Field letterField letter
2Experiment numberExperiment number
3Plot numberPlot number
4Plot treatmentNutrient treatment applied to plot A=20 g/m2 NH4NO3; B=35 g/m2 NaH2PO4-H2O 35 g/m2 Na2HPO4; C=87 g/m2 K2SO4; D=75 g/m2 CaCO3; E=60 g/m2 MgSO4; F=71 g/m2 Na2SO4; G=60 ml/m2 trace metal sand; H=4 gal/m2/week H2O; I=no nutrients added
5Sampling dateSampling date
6Tin letterTin letter
7Tin numberTin number
8NO3 solution (ppm)NO3 solution (ppm)dimensionless
9NH4 solution (ppm)NH4 solution (ppm)dimensionless
10Moisture (g H2O / 100g Dry Soil)Moisture (g H2O / 100g Dry Soil)gramsPer100Grams
11Dry soil weight (g)Dry soil weight (g)gram
12NO3 in soil (mg/kg)NO3 in soil (mg/kg)milligramsPerKilogram
13NH4 in soil (mg/kg)NH4 in soil (mg/kg)milligramsPerKilogram
 

SAMPLE DATASET

Field letterExperiment numberPlot numberPlot treatmentSampling dateTin letterTin numberNO3 solution (ppm)NH4 solution (ppm)Moisture (g H2O / 100g Dry Soil)Dry soil weight (g)NO3 in soil (mg/kg)NH4 in soil (mg/kg)
A31C910702D260.43170.883912.0529.370.73491.5047
A32B910702D360.290.729.6730.360.47751.1856
A33F910702D271.080.418911.638.691.39570.5413
A34A910702D3715.4922.4310.0534.2322.62632.7632
A35H910702D280.07610.429710.239.030.09750.5505
A36G910702D380.26761.098.8536.490.36671.4936
A37I910702D300.0940.37759.9135.520.13230.5314
A38D910702D390.1010.16318.5734.880.14480.2338
A39E910702D310.40050.52019.7148.140.4160.5402
A310A910702D4120.8522.429.3135.8729.061731.25
A311H910702D320.06130.49059.7832.550.09420.7535
A312G910702D420.13470.88858.5536.260.18581.2252
             

Download dataset nohe003
Effects of Various Nutrients and Water on Vegetation : Soil nitrate and ammonium

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