University of Minnesota
University of Minnesota
College of Biological Sciences
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Legume Competition Garden - Experiment 070


Soil nitrate and ammonium

Years Available: 1991 - 1998

Principle Investigators

Tilman, David

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ATTRIBUTES

FieldNameDefinitionUnitCode
1Field number/letterField designator
2Experiment numberExperiment number
3Plot numberPlot number
4Subplot numberSubplot number
5Sub-subplot numberSub-subplot number
6Species treatmentSpecies treatment1=Lespedeza capitata seed on top of established SchizAmorpha canescenshyrium scoparium, 2=Amorpha canescens seed on top of established SchizAmorpha canescenshyrium scoparium, 3=No seed added to established SchizAmorpha canescenshyrium scoparium, 4=Petalostemum purpureum seed on top of established SchizAmorpha canescenshyrium scoparium, 5=Amorpha canescens seed vs SchizAmorpha canescenshyrium scoparium seed, 6=Lespedeza capitata seed vs SchizAmorpha canescenshyrium scoparium seed, 7=Petalostemum purpureum seed vs SchizAmorpha canescenshyrium scoparium seed, 8=Lespedeza capitata seed vs Amorpha canescens seed vs Petalostemum purpureum seed vs SchizAmorpha canescenshyrium scoparium seed, 9=Amorpha canescens seed, 10=Lespedeza capitata seed, 11=Bare ground (no seeds added), 12=Petalostemum purpureum seed
7Sampling date (YYMMDD)Sampling date (YYMMDD)
8NO3 solution (ppm)NO3 solution (ppm)dimensionless
9NH4 solution (ppm)NH4 solution (ppm)dimensionless
10Moisture (g H2O / 100g Dry Soil)Moisture (g H2O / 100g Dry Soil)gramsPer100Grams
11Dry soil weight (g)Dry soil weight (g)gram
12NO3 in soil (mg/kg)NO3 in soil (mg/kg)milligramsPerKilogram
13NH4 in soil (mg/kg)NH4 in soil (mg/kg)milligramsPerKilogram
 

SAMPLE DATASET

Field number/letterExperiment numberPlot numberSubplot numberSub-subplot numberSpecies treatmentSampling date (YYMMDD)NO3 in solution (ppm)NH4 solution (ppm)Moisture (g H2O / 100g Dry Soil)Dry soil weight (g)NO3 in soil (mg/kg)NH4 in soil (mg/kg)
E70124119106240.01610.02917.8927.60.02920.0528
E70124239106240.02030.05319.0428.050.03620.0947
E70124329106240.0220.100511.1530.780.03580.1633
E70124449106240.03090.06848.3330.690.05030.1114
E70125159106240.06320.06747.6234.580.09130.0975
E70125279106240.0160.04017.3530.620.02620.0654
E70125369106240.18240.07027.9137.150.24550.0945
E70125489106240.21040.51887.8335.450.29670.7317
E70126199106240.22830.04966.9737.070.3080.067
E701262109106240.15860.03758.2929.810.2660.063
E701263119106240.71550.06118.1931.341.14140.0975
E701264129106240.51920.06467.8329.310.88560.1102
             

Download dataset nohe070
Legume Competition Garden : Soil nitrate and ammonium

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