Dataset

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

Plant above and belowground biomass across an N fertilization gradient after 13 years of fertilization

Years Available: 2019

Principle Investigators

View All Experiment and Dataset Methods

Environmental Data Initiative data package

EDI Package ID	DOI
knb-lter-cdr.722.1	doi:10.6073/pasta/85348706ff48588b2b3262111c22c63e

ATTRIBUTES

Field	Name	Definition	Unit	Code
1	year	Year
2	year_trt	number of years of fertilization treatment	nominalYear
3	trt	treatment designation (N addition or Control)		Control=0g N added, N=any amount of N added
4	nitrogen_added_to_plot	Amount of Nitrogen added to the plot annually	gramsPerSquareMeter
5	block	Experimental block
6	plot	Experimental plot
7	bgb	Belowground biomass	gramsPerSquareMeter
8	agb	Aboveground biomass	gramsPerSquareMeter
9	ten	Roots in the top 10cm of soil	gramsPerSquareMeter
10	twenty	Roots from 10-20cm of soil	gramsPerSquareMeter
11	ingrowth1	new roots (annual) from the top 20cm of soil, rep 1	gramsPerSquareMeter
12	ingrowth2	new roots (annual) from the top 20cm of soil, rep 2	gramsPerSquareMeter
13	ave_ingrowth	average of ingrowth1 and ingrowth2	gramsPerSquareMeter
14	rmf	root mass fraction, defined as agb/(agb bgb)	dimensionless
15	cumulative_het_resp	soil heterotrophic microbial respiration after 143 days of soil incubations	milligramsPerGram
16	pH	soil pH	dimensionless
17	K_ppm	potassium concentration (ppm K in soil)	dimensionless
18	Ca_ppm	calcium concentration (ppm Ca in soil)	dimensionless
19	Mg_ppm	magnesium concentration (ppm Mg in soil)	dimensionless
20	MBC	microbial biomass carbon in soil	milligramsPerGram
21	soil_bulk_density	soil bulk density	gramsPerCubicCentimeter
22	precent_c	percent carbon in soil	dimensionless

SAMPLE DATASET

year	year_trt	trt	nitrogen_added_to_plot	block	plot	bgb	agb	ten	twenty	ingrowth1	ingrowth2	ave_ingrowth	rmf	cumulative_het_resp	pH	K_ppm	Ca_ppm	Mg_ppm	MBC	soil_bulk_density	precent_c
2020	13	N	5	1	5	254.904459	388.6	195.923567	58.9808917	93.9014164	25.4647909	59.6831037	0.39611918	0.42980774	5.3	35	279	44	0.2939187	2.58454318	0.46
2020	13	N	10	1	7	206.394904	113.75	110.904459	95.4904459	93.3708999	71.7644107	82.5676553	0.64469214	0.37432399	4.5	22	118	20	NA	2.77896558	0.485
2020	13	N	1	1	9	195.261146	363.55	144.484076	50.7770701	223.781496	36.6056369	130.193566	0.34942243	1.28124592	5.2	47	436	67	NA	2.19320069	1.2
2020	13	Control	0	1	11	764.203822	161.85	512.382166	251.821656	126.050715	21.2206591	73.635687	0.82522614	1.23399147	5.3	58	341	59	0.34951314	2.28988433	0.8
2020	13	Control	0	2	13	246.904459	139.65	189.146497	57.7579618	29.4855474	21.6450723	25.5653098	0.63873137	0.72898363	5.3	38	353	52	0.26931928	2.61999832	0.695
2020	13	N	5	2	17	207.10828	321.5	189.095541	18.0127389	148.969027	31.8309886	90.4000077	0.39179916	0.53764329	5	47	554	75	0.20102032	2.34314968	2.775
2020	13	N	1	2	20	608.535032	454.7	572.458599	36.0764331	242.76434	11.7529804	127.25866	0.57234291	0.55545903	5.2	128	550	84	0.21877617	2.47549468	1.62
2020	13	N	10	2	24	366.726115	244.65	293.910828	72.8152866	90.3589354	53.4760609	71.9174982	0.59983716	0.49142758	5	112	487	62	0.2017575	2.49029477	2.12
2020	13	Control	0	3	26	598.955414	274.4	356.152866	242.802548	39.7887358	33.422538	36.6056369	0.68580947	0.71279842	5.4	79	443	65	0.27285656	2.90873818	0.845
2020	13	N	1	3	29	467.821656	263.6	361.55414	106.267516	47.7464829	78.3532028	63.0498428	0.63960597	0.77893497	5.4	35	452	70	0.24871238	2.48662385	0.865
2020	13	N	10	3	32	316.152866	390.6	274.063694	42.089172	105.631725	8.48826363	57.0599944	0.44733157	0.66275333	5.2	44	592	72	0.22635668	2.52501867	1.49
2020	13	N	5	3	34	273.452229	324.6	207.133758	66.3184713	52.6272345	12.7323954	32.679815	0.45723804	0.76293664	5.3	41	406	67	0.2298503	2.62249127	1.015

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