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

Dataset

Log Out

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


Soil nitrate and ammonium

Years Available: 1989 - 1992

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 1=0.0 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.
8YearYear of sampling (YYYY)
9Sampling dateSampling date (YYMMDD)
10Molarity of potassium chlorideMolarity of potassium chloridegramsPerMole
11Tin letterTin letter
12Tin numberTin number
13NO3 in solution (ppm)NO3 in solution (ppm)dimensionless
14NH4 solution (ppm)NH4 solution (ppm)dimensionless
15Moisture (g H2O / 100g Dry Soil)Moisture (g H2O / 100g Dry Soil)gramsPer100Grams
16Dry soil weight (g)Dry soil weight (g)gram
17NO3 in soil (mg/kg)NO3 in soil (mg/kg)milligramsPerKilogram
18NH4 in soil (mg/kg)NH4 in soil (mg/kg)milligramsPerKilogram
 

SAMPLE DATASET

Field number/letterExperiment numberPlot numberNitrogen TreatmentAmmonium Nitrate(34-0-0) addition(g/m2/yr)Annual Nitrogen addition (g/m2/yr)Soil Disturbance TreatmentYearSampling dateMolarity of potassium chlorideTin letterTin numberNO3 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)
B521362.021989890818A10.0460.69762.215.950.38635.8639
B521362.021989890725A20.02170.16374.873.380.32052.418
B521362.021989890818A20.13211.1582.946.351.03969.1136
B521362.0219919108190.02A10.06640.47825.0930.690.10810.7792
B521362.0219919108192B10.01620.31895.0923.270.03480.6851
B521362.0219929208132A10.02690.12254.9215.450.08710.3964
B521362.0219929208130.02B10.03080.23934.9214.110.10920.8482
B521362.021989890725A10.03990.47774.313.160.63067.5499
B52275017.0419919108192B20.06350.49684.3432.10.09890.7737
B52275017.0419929208132A20.06150.24874.3919.410.15840.6407
B52275017.0419919108190.02A20.09680.73254.3426.150.18511.4004
B52275017.041989890725A40.22831.9344.92.564.467937.8487
                  

Download dataset nohe052
Interactive Effects of Fertility and Distribution on Plant Community Diversity and Structure: Soil nitrate and ammonium

*Read more about EML


Report errors in data files here.