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

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Interactive Effects of Fertility and Distribution on Plant Community Diversity and Structure - Experiment 052


Percent light penetration

Years Available: 1990 - 1998

Principle Investigators

Wilson, Scott
Tilman, David

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1Field number/letterField number/letter
2Experiment numberExperiment number
3Plot numberPlot number
4Nitrogen TreatmentNitrogen fertilizer treatment applied twice per year1=0.0 g/m2, 3=3.0 g/m2, 6=14.0 g/m2, 7=25.0 g/m2
5Ammonium Nitrate(34-0-0) addition(g/m2/yr)Total annual fertilizer addition gramsPerMeterSquaredPerYear
6Annual Nitrogen addition (g/m2/yr)(Fertilizer 0.34%N) x (Nitrogen Treatment(g/m2)) x (2 times/year)gramsPerMeterSquaredPerYear
7Soil Disturbance TreatmentSoil Disturbance Treatment1=undisturbed, 2=1 pass rear-tined rototiller set to till to a depth of 9 inches, 3=2 passes or number required to produce about 50% bare ground, 4=3 passes or number required to produce 100% bare ground.
8Sampling yearSampling year (YYYY)
9Sampling dateSampling date (YYMMDD)
10Percent light penetrationProportion of light penetration through canopydimensionless
 

SAMPLE DATASET

Field number/letterExperiment numberPlot numberNitrogen TreatmentAmmonium Nitrate(34-0-0) addition(g/m2/yr)Annual Nitrogen addition (g/m2/yr)Soil Disturbance TreatmentSampling yearSampling datePercent light penetration
B52275017419909005100.9901
B52275017419909005221.0043
B52275017419909006180.9815
B52275017419909007030.3917
B52275017419909007240.0027
B52475017419909005100.9965
B52475017419909005220.9827
B52475017419909006180.8351
B52475017419909007030.2276
B52475017419909007240.0048
B525100119909005100.8118
B525100119909005220.7512
          

Download dataset lpe052
Interactive Effects of Fertility and Distribution on Plant Community Diversity and Structure: Percent light penetration

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