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

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The Effect of Nitrogen Addition and Different pH Levels on Microorganism Populations - Experiment 024


Percent light penetration

Years Available: 1987 - 1990

Principle Investigators

Hankinson, Tom
Schmidt, Ed
Tilman, David

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1Experiment numberExperiment number
2Plot numberPlot number
3pH treatmentOther nutrient additions trying to create different pH levels1= received 62.5 g/m2 S 250 g/m2 FeSO4; 2=received no nutrients to adjust the pH level; 3=received 62.5 g/m2 of Ca(OH)2 in 1984 and 125 g/m2 in 1985; 4=received 125 g/m2 of Ca(OH)2 in 1984 and 250 g/m2 in 1985
4Nitrogen TreatmentNitrogen treatment applied twice per year5=8.0 g/m2; 7=25.0 g/m2; 9=0.0 g/m2
5Ammonium Nitrate(34-0-0) addition(g/m2/yr)Total annual nitrogen fertilizer additiongramsPerMeterSquaredPerYear
6Sampling yearSampling year
7Percent Light penetrationPercent Light penetrationdimensionless
 

SAMPLE DATASET

Experiment numberPlot number pH treatmentNitrogen TreatmentAmmonium Nitrate(34-0-0) addition(g/m2/yr)Sampling yearPercent Light penetration
241351619870.011
242275019870.0987
243451619870.0809
244375019870.1506
24549019870.3477
246151619870.139
247375019870.1105
248375019870.1892
249475019870.0614
2410251619870.0196
241149019870.3425
2412351619870.15
       

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The Effect of Nitrogen Addition and Different pH Levels on Microorganism Populations: Percent light penetration

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