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

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Long-Term Nitrogen Deposition During Grassland Succession - Experiment 002


Soil nitrogen

Years Available: 1982 - 2011

Principle Investigators

Tilman, David

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ATTRIBUTES

FieldNameDefinitionUnitCode
1YearYear of data collection
2Sampling dateDate of collection
3Field letterCDR field letter
4PlotPlot number
5Replication?Replication
6DepthDepth of soil sample in cmcentimeter
7NtrtNitrogen treatment1= 0.0 g/m20 ml, 2= 1.5 g/m225 ml, 3= 3.0 g/m250 ml, 4= 5.0 g/m290 ml, 5= 8.0 g/m2140 ml, 6= 14.0 g/m2250 ml, 7= 25.0 g/m2445 ml, 8= 40.0 g/m2710 ml, 9= 0.0 g/m20 ml
8NAdd(g/m2/yr)Nitrogen Added to PlotgramsPerMeterSquaredPerYear
9NtrtReceivedThe plot received nitrogen treatment this year1=yes, 2=no
10BurnTrtThe plot was burned this year1=yes, 2=no
11%NitrogenPercent nitrogendimensionless
 

SAMPLE DATASET

YearSampling dateField letterPlot numberReplication?DepthNtrtNAdd(g/m2/yr)NtrtReceivedBurnTrt% Nitrogen
1982820519C11516100.055
1982820519C12516100.086
1982820519C13516100.051
1982820519C14516100.076
1982820519C21628100.055
1982820519C22628100.056
1982820519C23628100.067
1982820519C24628100.057
1982820519C31410100.086
1982820519C32410100.065
1982820519C33410100.052
1982820519C34410100.059
           

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Long-Term Nitrogen Deposition During Grassland Succession: Soil nitrogen

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