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

Dataset

Log Out

Biodiversity: A field test of biofuel production and ground-water quality. - Experiment 246


Soil carbon and nitrogen

Years Available: 2007 - 2010

Principle Investigators

Trost, Jared

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1PlotPlot from which the soil samples were taken
2Treatment vegetation typeIndicates plot vegetation typeP=prairie, H=hay, B=bareground, C=corn
3TreatmentTreatments applied to plotC=control/nothing added, T=treated/contaminants and nitrogen fertilizer applied
4DepthDepth at which a particular sample was taken in centemeters
5SampleDateApproximate date of sample collection (MMDDYYY)
6Soil_PercentCarbonPercent carbon in sample determined by University of Nebraska labdimensionless
7Soil_PercentNitrogenPercent nitrogen in sample determined by University of Nebraska labdimensionless
8UNL_CN_NotesNotes from the University of Nebraska analysis lab
9CNCedarCreekArchiveNumbera number assigned by the Cedar creek data manager for archive purposes
10pH_H20MethpH of the soil sample using the water method dimensionless
11pH_CaCl2MethpH of the soil determined with the Calcium chloride methoddimensionless
12Soil Bulk Densitymass of oven dried soil divided by core volume gramsPerCubicCentimeter
13BrayPtotal phosphorus (ppm in soil)dimensionless
14Percent sandPercentage of sand in soil sampledimensionless
15Percent siltPercentage of silt in soil sampledimensionless
16Percent ClayPercentage of clay in soil sampledimensionless
17KPotassium soil cations (milliequivalents)milliequivalentPer100grams
18CaCalcium soil cations (milliequivalents)milliequivalentPer100grams
19Mg Magnesium soil cations (milliequivalents)milliequivalentPer100grams
20Naprefixif the Na value is less than the detection limit or reporting limit then a less than sign (<) will appear here and the limit will appear in the "na" column
21NaSodium soil cations (milliequivalents)milliequivalentPer100grams
22H prefixIf the H value is less than the detection limit or reporting limit, then a less than (<) sign will appear here and the limit will appear in the "H " column
23H H soil cations (milliequivalents)milliequivalentPer100grams
24C.E.C.Cation Exchange Capacity, University of Minnesota Research Analytical Laboratory Cation Exchange Capacity, CEC, by Summation Method dimensionless
25Percent Base SaturationCalculated by dividing the milliequivlents of bases by the CEC and multiplying by 100dimensionless
26K base sat_percentCalculated by dividing the potassium milliequivalents by the CEC of the soil and multiplying by 100dimensionless
27Ca base sat_percentCalculated by dividing the Ca milliequivalents by the CEC of the soil and multiplying by 100dimensionless
28Mg base sat_percentCalculated by dividing the Mg milliequivalents by the CEC of the soil and multiplying by 100dimensionless
29Na base sat_percentCalculated by dividing the Na milliequivalents by the CEC of the soil and multiplying by 100dimensionless
30K ppmPotassium in parts per million (390ppm =1 milliquivalent)milligramsPerLiter
31Ca ppmCalcium in parts per million (240 ppm = 2 milliequivalents)milligramsPerLiter
32Mg ppmMagnesium in parts per million (3000ppm=15 milliequivalents)milligramsPerLiter
33Na ppmSodium in parts per million (230=1milliequivalent)milligramsPerLiter
34NotesNotes
 

SAMPLE DATASET

PlotTreatment vegetation typeTreatmentDepthSampleDateSoil_PercentCarbonSoil_PercentNitrogenUNL_CN_NotesCNCedarCreekArchiveNumberpH_H20MethpH_CaCl2MethSoil Bulk DensityBrayPPercent sandPercent siltPercent ClayKCaMgNaprefixNaH+prefixH+C.E.C.Percent Base SaturationK base sat_percentCa base sat_percentMg base sat_percentNa base sat_percentK ppmCa ppmMg ppmNa ppmNotes
4BT0-10cm8/1/20070.43960.039analysis done on ground soil664366.555.581.37694257
4BT10-20cm8/1/20070.50430.047analysis done on ground soil664376.214.391.479971538
4BT20-30cm8/1/20070.3340.0319analysis done on ground soil664386.074.841.592268801
4BT30-45cm8/1/20070.25850.0259analysis done on ground soil664396.165.221.679625311
4BT45-60cm8/1/20070.21180.0176analysis done on ground soil664406.024.711.637889941
4BT60-80cm8/1/20070.20260.0218analysis done on ground soil6644164.71.564657045
4BT80-100cm8/1/20070.12810.012analysis done on ground soil664426.034.651.588007748
4BT100-150cm8/1/2007
4BT150-200cm8/1/2007
7HC0-10cm8/1/20070.67370.0578analysis done on ground soil66443
7HC10-20cm8/1/20070.44890.0425analysis done on ground soil66444
7HC20-30cm8/1/20070.2930.0303analysis done on ground soil66445
                                  

Download dataset acre246
Biodiversity: A field test of biofuel production and ground-water quality.: Soil carbon and nitrogen

*Read more about EML


Report errors in data files here.