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

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Long-Term Nitrogen Deposition: Population, Community, and Ecosystem Consequences - Experiment 001


Soil Calcium

Years Available: 1982

Principle Investigators

Tilman, David

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ATTRIBUTES

FieldNameDefinitionUnitCode
1FieldField ID
2Plot numberPlot
3Sampling dateSampling date
4NTrtNitrogen Treatment Identification (1 through 9)1=0.0 g/m2 0 ml, 2=1.5 g/m2 25 ml, 3=3.0 g/m2 50 ml,4=5.0 g/m2 90 ml, 5=8.0 g/m2 140 ml, 6=14.0 g/m2 250 ml, 7=25.0 g/m2 445 ml, 8=40.0 g/m2 710 ml, 9=0.0 g/m2 0 ml
5NAddNitrogen Added to PlotgramsPerMeterSquaredPerYear
6NitrAddAmount of fertilizer added to the plotgramsPerMeterSquaredPerYear
7NAtm+NAddNitrogen addition plus Nitrogen from the atmospheregramsPerMeterSquaredPerYear
8Calcium (ppm Ca in soil)Calcium Parts per Million of Ca in Soildimensionless
 

SAMPLE DATASET

FieldPlot numberSampling dateNTrtNAddNitrAddNAtm+NAddCalcium (ppm Ca in soil)
A18207239001658.514
A282072321.0232.02892.18
A382072343.4104.4704.606
A482072321.0232.02743.484
A58207239001749.095
A6820723827.28028.2724.245
A78207237175018743.484
A882072343.4104.4735.067
A982072369.522810.52744.285
A1082072332.0463.04749.896
A11820723827.28028.2651.7
A128207231001698.193
        

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Long-Term Nitrogen Deposition: Population, Community, and Ecosystem Consequences: Soil Calcium

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