Dataset

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

View All Experiment and Dataset Methods

Environmental Data Initiative data package

EDI Package ID	DOI
knb-lter-cdr.620.8	doi:10.6073/pasta/f08a576bcff2ae83b854c9288719ba47

ATTRIBUTES

Field	Name	Definition	Unit	Code
1	DATECOLL	Date soils collected from field
2	SITE	Nutrient Network experimental site		cbgb.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).
3	BLOCK	Experimental block number
4	PLOT	Experimental plot number
5	TREATMENT	Summary of N, P, K treatments applied to plot		1=10 gramsPerMeterSquaredPerYear Nitrogen applied as timed-release urea [NH2)2CO2], 0=no Nitrogen applied
6	N	Nitrogen treatment		1=10 gramsPerMeterSquaredPerYear Nitrogen applied as timed-release urea [NH2)2CO2], 0=no Nitrogen applied
7	P	Phosphorus treatment		1=10 gramsPerMeterSquaredPerYear as triple-super phosphate [Ca(H2PO4)2], 0=no P applied
8	K	Potassium (plus initial micronutrients) treatment		1=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
9	SOIL_C	Bulk soil percent carbon	dimensionless
10	SOIL_N	Bulk soil percent nitrogen	dimensionless
11	SOIL_CN	Bulk soil carbon:nitrogen ratio	dimensionless
12	NETNMIN	Net nitrogen mineralization rate (mgNPerGSoilPerDay)	milligramsPerGramPerDay
13	MICRO_C	Microbial biomass carbon (mgCPerGSoil)	milligramsPerGram
14	MICRO_N	Microbial biomass nitrogen (mgNPerGSoil)	milligramsPerGram
15	SOIL_PH	Bulk soil pH	dimensionless
16	SAND	Bulk soil percent sand content	dimensionless
17	SILT	Bulk soil percent silt content	dimensionless
18	CLAY	Bulk soil percent clay content	dimensionless
19	MYCORR	Mycorrhizal root colonization percent	dimensionless
20	FRAC_2	Carbon content of 2 mm aggregate fraction (gCPerGBulkSoilC)	gramsPerGram
21	FRAC_53	Carbon content of 53 um aggregate fraction (gCPerGBulkSoilC)	gramsPerGram
22	FRAC_250	Carbon content of 250 um aggregate fraction (gCPerGBulkSoilC)	gramsPerGram
23	FRAC_SC	Carbon content of less than 53 um (silt plus clay) aggregate fraction (gCPerGBulkSoilC)	gramsPerGram
24	ROOT_MASS	Root mass (gPerCubicCentimeter)	gramsPerCubicCentimeter
25	SOIL_MOIS	Soil moisture (gWaterPerGDrySoil)	gramsPerGram
26	FAST_DECAY	Fast cycling soil carbon pool, decay rate (perDay)	perDay
27	FAST_SIZE	Fast cycling soil carbon pool, size (mgCPerGSoil)	milligramsPerGram
28	SLOW_DECAY	Slow cycling soil carbon pool, decay rate (perDay)	perDay
29	SLOW_SIZE	Slow cycling soil carbon pool, size (mgCPerGSoil)	milligramsPerGram
30	CUMUL_RESP	Cumulative carbon respired during 380-day lab incubation (mgCPerGSoil)	milligramsPerGram
31	HF_C	Heavy fraction soil carbon (mgCPerGSoil)	milligramsPerGram
32	HF_N	Heavy fraction soil nitrogen (mgNPerGSoil)	milligramsPerGram
33	LF_C	Light fraction soil carbon (mgCPerGSoil)	milligramsPerGram
34	LF_N	Light fraction soil nitrogen (mgNPerGSoil)	milligramsPerGram

SAMPLE DATASET

DATECOLL	SITE	BLOCK	PLOT	TREATMENT	N	P	K	SOIL_C	SOIL_N	SOIL_CN	NETNMIN	MICRO_C	MICRO_N	SOIL_PH	SAND	SILT	CLAY	MYCORR	FRAC_2	FRAC_53	FRAC_250	FRAC_SC	ROOT_MASS	SOIL_MOIS	FAST_DECAY	FAST_SIZE	SLOW_DECAY	SLOW_SIZE	CUMUL_RESP	HF_C	HF_N	LF_C	LF_N
08/22/12	cbgb.us	1	1	Control	0	0	0	0.707	0.056	12.625	0.0001899	0.157597189	0.026991322	5.62	88.86882529	6.431345388	4.699829322	60.33001808	0.129667548	0.39290207	0.412630371	0.06480001	0.003184283	0.022520524	0.012461214	0.699875743	0.00017939	6.370124257	1.050854247	6.698317457	2.991682543	0.594525218	0.215474782
08/22/12	cbgb.us	1	3	NP	1	1	0	0.937	0.069	13.57971014	0.000171086	0.224712583	0.042911927	5.89	88.86882529	6.431345388	4.699829322							0.021548117	0.116212346	0.206000966	0.000319803	9.163999034	0.899461824	6.935298769	2.434701231	0.56734461	0.12265539
08/22/12	cbgb.us	1	4	NPK	1	1	1	0.776	0.066	11.75757576	0.000357778	0.146869665	0.02735122	6.26	88.86882529	6.431345388	4.699829322							0.019657005	0.0683191	0.258306434	0.000271348	7.501693566	0.807191964	6.807137576	0.952862424	0.524387052	0.135612948
08/22/12	cbgb.us	1	6	NK	1	0	1	0.958	0.078	12.28205128	0.000115976	0.304580429	0.047400524	6.17	88.86882529	6.431345388	4.699829322							0.032062292	0.043592765	0.546945313	0.000234804	9.033054687	1.159438362	7.797323105	1.782676895	0.605135763	0.174864237
08/22/12	cbgb.us	1	9	P	0	1	0	0.825	0.07	11.78571429	0.000148442	0.113613305	0.022863346	6.01	88.86882529	6.431345388	4.699829322							0.02031832	0.030643372	0.37238862	0.000211231	7.87761138	0.882784115	6.155013605	2.094986395	0.506299506	0.193700494
08/22/12	cbgb.us	1	10	K	0	0	1	0.779	0.066	11.8030303	0.000261521	0.125560854	0.024409618	6.61	88.86882529	6.431345388	4.699829322							0.019080287	0.043145796	0.185105399	0.000276404	7.604894601	0.844860479	7.240647961	0.549352039	0.614117885	0.045882115
08/22/12	cbgb.us	1	11	N	1	0	0	0.954	0.075	12.72	0.000255991	0.139818695	0.028406749	6.56	88.86882529	6.431345388	4.699829322	63	0.070612158	0.348765958	0.520040775	0.060581109	0.006836544	0.024189289	0.056988939	0.234660048	0.000269231	9.305339952	0.904801102	6.873649256	2.666350744	0.56373814	0.18626186
08/22/12	cbgb.us	1	12	PK	0	1	1	0.875	0.072	12.15277778	5.64659E-05	0.169431859	0.030854954	5.97	88.86882529	6.431345388	4.699829322							0.025204154	0.04271642	0.316396278	0.000353156	8.433603722	1.111237095	7.174267694	1.575732306	0.575529082	0.144470918
08/22/12	cbgb.us	2	13	P	0	1	0	0.681	0.062	10.98387097	0.000186709	0.152047571	0.02740067	6.85	90.07493425	3.473773014	6.45129274							0.02413171	0.119565452	0.081511935	0.000280696	6.728488065	0.599101768	5.974845485	0.835154515	0.456549655	0.163450345
08/22/12	cbgb.us	2	14	NK	1	0	1	0.673	0.058	11.60344828	0.000158343	0.347093948	0.249404587	6.66	90.07493425	3.473773014	6.45129274							0.024920572	0.124812707	0.11946506	0.000655738	6.61053494	1.0247524	6.509678386	0.220321614	0.534228925	0.045771075
08/22/12	cbgb.us	2	16	N	1	0	0	0.686	0.061	11.24590164	0.000274868	0.105309927	0.025696317	6.92	90.07493425	3.473773014	6.45129274		0.053642063	0.23585063	0.631029468	0.079477839	0.018898998	0.01837004	0.095765586	0.126195144	0.00043395	6.733804856	0.859236605	5.510014984	1.349985016	0.44595445	0.16404555
08/22/12	cbgb.us	2	19	NPK	1	1	1	0.809	0.068	11.89705882	0.000258926	0.136174785	0.018376284	6.72	90.07493425	3.473773014	6.45129274							0.023176551	0.052796944	0.229062439	0.000270021	7.860937561	0.873700463	5.519375438	2.570624562	0.456638975	0.223361025

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