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

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Nutrient Network. A cross-site investigation of bottom-up control over herbaceous plant community dynamics and ecosystem function. - Experiment 247


Soil organic matter responses to nutrient enrichment in the Nutrient Network

Years Available: 2012

Principle Investigators

Riggs, Charlotte


View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1DATECOLLDate soils collected from field
2SITENutrient Network experimental sitecbgb.us=Chichaqua Bottoms Greenbelt (Maxwell Iowa), cdcr.us=Cedar Creek Ecosystem Science Reserve (East Bethel Minnesota), cdpt.us=Cedar Point Biological Station (Ogallala Nebraska), konz.us=Konza Prairie Biological Station (Manhattan Kansas), sgs.us=Shortgrass Steppe (Nunn Colorado).
3BLOCKExperimental block number
4PLOTExperimental plot number
5TREATMENTSummary of N, P, K treatments applied to plot 1=10 gramsPerMeterSquaredPerYear Nitrogen applied as timed-release urea [NH2)2CO2], 0=no Nitrogen applied
6NNitrogen treatment 1=10 gramsPerMeterSquaredPerYear Nitrogen applied as timed-release urea [NH2)2CO2], 0=no Nitrogen applied
7PPhosphorus treatment1=10 gramsPerMeterSquaredPerYear as triple-super phosphate [Ca(H2PO4)2], 0=no P applied
8KPotassium (plus initial micronutrients) treatment1=10 gramsPerMeterSquaredPerYear as potassium sulfate [K2SO4] AND one-time application in treatment year 1 of 100 gramsPerMeterSquared of a micronutrient mix of Fe (15%) S (14%) Mg (1.5%) Mn (2.5%) Cu (1%) Zn (1%) B (0.2%) and Mo (0.05%), 0=no K or micronutrients applied
9SOIL_CBulk soil percent carbon dimensionless
10SOIL_NBulk soil percent nitrogendimensionless
11SOIL_CNBulk soil carbon:nitrogen ratiodimensionless
12NETNMINNet nitrogen mineralization rate (mgNPerGSoilPerDay)milligramsPerGramPerDay
13MICRO_CMicrobial biomass carbon (mgCPerGSoil)milligramsPerGram
14MICRO_NMicrobial biomass nitrogen (mgNPerGSoil)milligramsPerGram
15SOIL_PHBulk soil pHdimensionless
16SANDBulk soil percent sand contentdimensionless
17SILTBulk soil percent silt contentdimensionless
18CLAYBulk soil percent clay contentdimensionless
19MYCORRMycorrhizal root colonization percentdimensionless
20FRAC_2Carbon content of 2 mm aggregate fraction (gCPerGBulkSoilC)gramsPerGram
21FRAC_53Carbon content of 53 um aggregate fraction (gCPerGBulkSoilC)gramsPerGram
22FRAC_250Carbon content of 250 um aggregate fraction (gCPerGBulkSoilC)gramsPerGram
23FRAC_SCCarbon content of less than 53 um (silt plus clay) aggregate fraction (gCPerGBulkSoilC)gramsPerGram
24ROOT_MASSRoot mass (gPerCubicCentimeter)gramsPerCubicCentimeter
25SOIL_MOISSoil moisture (gWaterPerGDrySoil)gramsPerGram
26FAST_DECAYFast cycling soil carbon pool, decay rate (perDay)perDay
27FAST_SIZEFast cycling soil carbon pool, size (mgCPerGSoil)milligramsPerGram
28SLOW_DECAYSlow cycling soil carbon pool, decay rate (perDay)perDay
29SLOW_SIZESlow cycling soil carbon pool, size (mgCPerGSoil)milligramsPerGram
30CUMUL_RESPCumulative carbon respired during 380-day lab incubation (mgCPerGSoil)milligramsPerGram
31HF_CHeavy fraction soil carbon (mgCPerGSoil)milligramsPerGram
32HF_NHeavy fraction soil nitrogen (mgNPerGSoil)milligramsPerGram
33LF_CLight fraction soil carbon (mgCPerGSoil)milligramsPerGram
34LF_NLight fraction soil nitrogen (mgNPerGSoil)milligramsPerGram
 

SAMPLE DATASET

DATECOLLSITEBLOCKPLOTTREATMENTNPKSOIL_CSOIL_NSOIL_CNNETNMINMICRO_CMICRO_NSOIL_PHSANDSILTCLAYMYCORRFRAC_2FRAC_53FRAC_250FRAC_SCROOT_MASSSOIL_MOISFAST_DECAYFAST_SIZESLOW_DECAYSLOW_SIZECUMUL_RESPHF_CHF_NLF_CLF_N
08/22/12cbgb.us11Control0000.7070.05612.6250.00018990.1575971890.0269913225.6288.868825296.4313453884.69982932260.330018080.1296675480.392902070.4126303710.064800010.0031842830.0225205240.0124612140.6998757430.000179396.3701242571.0508542476.6983174572.9916825430.5945252180.215474782
08/22/12cbgb.us13NP1100.9370.06913.579710140.0001710860.2247125830.0429119275.8988.868825296.4313453884.6998293220.0215481170.1162123460.2060009660.0003198039.1639990340.8994618246.9352987692.4347012310.567344610.12265539
08/22/12cbgb.us14NPK1110.7760.06611.757575760.0003577780.1468696650.027351226.2688.868825296.4313453884.6998293220.0196570050.06831910.2583064340.0002713487.5016935660.8071919646.8071375760.9528624240.5243870520.135612948
08/22/12cbgb.us16NK1010.9580.07812.282051280.0001159760.3045804290.0474005246.1788.868825296.4313453884.6998293220.0320622920.0435927650.5469453130.0002348049.0330546871.1594383627.7973231051.7826768950.6051357630.174864237
08/22/12cbgb.us19P0100.8250.0711.785714290.0001484420.1136133050.0228633466.0188.868825296.4313453884.6998293220.020318320.0306433720.372388620.0002112317.877611380.8827841156.1550136052.0949863950.5062995060.193700494
08/22/12cbgb.us110K0010.7790.06611.80303030.0002615210.1255608540.0244096186.6188.868825296.4313453884.6998293220.0190802870.0431457960.1851053990.0002764047.6048946010.8448604797.2406479610.5493520390.6141178850.045882115
08/22/12cbgb.us111N1000.9540.07512.720.0002559910.1398186950.0284067496.5688.868825296.4313453884.699829322630.0706121580.3487659580.5200407750.0605811090.0068365440.0241892890.0569889390.2346600480.0002692319.3053399520.9048011026.8736492562.6663507440.563738140.18626186
08/22/12cbgb.us112PK0110.8750.07212.152777785.64659E-050.1694318590.0308549545.9788.868825296.4313453884.6998293220.0252041540.042716420.3163962780.0003531568.4336037221.1112370957.1742676941.5757323060.5755290820.144470918
08/22/12cbgb.us213P0100.6810.06210.983870970.0001867090.1520475710.027400676.8590.074934253.4737730146.451292740.024131710.1195654520.0815119350.0002806966.7284880650.5991017685.9748454850.8351545150.4565496550.163450345
08/22/12cbgb.us214NK1010.6730.05811.603448280.0001583430.3470939480.2494045876.6690.074934253.4737730146.451292740.0249205720.1248127070.119465060.0006557386.610534941.02475246.5096783860.2203216140.5342289250.045771075
08/22/12cbgb.us216N1000.6860.06111.245901640.0002748680.1053099270.0256963176.9290.074934253.4737730146.451292740.0536420630.235850630.6310294680.0794778390.0188989980.018370040.0957655860.1261951440.000433956.7338048560.8592366055.5100149841.3499850160.445954450.16404555
08/22/12cbgb.us219NPK1110.8090.06811.897058820.0002589260.1361747850.0183762846.7290.074934253.4737730146.451292740.0231765510.0527969440.2290624390.0002700217.8609375610.8737004635.5193754382.5706245620.4566389750.223361025
                                  

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Nutrient Network. A cross-site investigation of bottom-up control over herbaceous plant community dynamics and ecosystem function.: Soil organic matter responses to nutrient enrichment in the Nutrient Network

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