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


Root biomass data

Years Available: 1988 - 1994

Principle Investigators

Wilson, Scott
Tilman, David

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1ExperimentExperiment number
2FieldField designator
3YearYear of sampling
4MonthMonth of sampling
5DayDay of sampling
6PlotPlot
7Nitrogen 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 1=0.0 g/m2, 7=25.0 g/m2
8Ammonium Nitrate(34-0-0) addition(g/m2/yr)Total annual fertilizer addition gramsPerMeterSquaredPerYear
9Annual Nitrogen addition (g/m2/yr)(Fertilizer 0.34%N) x (Nitrogen Treatment(g/m2)) x (2 times/year)gramsPerMeterSquaredPerYear
10Soil 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.
11Root biomass (g/m2)Root biomass from 0-10cm depth (g/m2)gramsPerSquareMeter
 

SAMPLE DATASET

ExperimentFieldYearMonthDayPlotNitrogen TreatmentAmmonium Nitrate(34-0-0) addition(g/m2/yr)Annual Nitrogen addition (g/m2/yr)Soil Disturbance TreatmentRoot biomass (g/m2)
52B198881775017.04137.47
52B198888975017.01109.47
52B198886275017.01155.30
52B198883375017.0178.92
52B198881362.02231.67
52B1988840362.0473.83
52B1988846100.01119.65
52B1988818100.01193.48
52B198886375017.01160.39
52B1988847362.0453.46
52B198889075017.0468.74
52B19888275017.04145.11
           

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Interactive Effects of Fertility and Distribution on Plant Community Diversity and Structure: Root biomass data

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