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

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


Full aboveground harvest data

Years Available: 1990

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, 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.
8Subplot numberSubplot number
9Competition Treatment Competition Treatment AN=all neighbors, NN=no neighbors, RN=root neighbors only
10Plant numberPlant numberdimensionless
11Date seed or seedling is plantedDate seed or seedling is planted (YYMMDD)
12Light reading above vegetationLight reading above vegetationdimensionless
13Sampling date (YYMMDD)Sampling date (YYMMDD)
14Tiller numberTiller numberdimensionless
15Flowering tiller numberFlowering tiller numberdimensionless
16Length of tiller #1 (mm)Length of tiller #1 (mm)millimeter
17Length of tiller #2 (mm)Length of tiller #2 (mm)millimeter
18Length of tiller #3 (mm)Length of tiller #3 (mm)millimeter
19Length of tiller #4 (mm)Length of tiller #4 (mm)millimeter
20Length of tiller #5 (mm)Length of tiller #5 (mm)millimeter
21Health evaluation codeHealth evaluation code
22Mean length of the leaves (mm)Mean length of the leaves (mm)millimeter
23Harvest date (YYMMDD)Harvest date (YYMMDD)
24Live biomass (g/plant)Live biomass (g/plant)gram
25Dead biomass (g/plant)Dead biomass (g/plant)gram
26Reproductive biomass (g/plant)Reproductive biomass (g/plant)gram
27Total above ground biomass (g/plant)Total above ground biomass (g/plant)gram
28Relative growth rateRelative growth rate [R=(In(final total biomass/Intitial biomass)/growth period in days]dimensionless
29Neighbor live biomass (g/plant)Neighbor live biomass (g/plant)gram
30Neighbor litter(dead) biomass (g/plant)Neighbor litter(dead) biomass (g/plant)gram
 

SAMPLE DATASET

Field number/letterExperiment numberPlot numberNitrogen TreatmentAmmonium Nitrate(34-0-0) addition(g/m2/yr)Annual Nitrogen addition (g/m2/yr)Soil Disturbance TreatmentSubplot numberCompetition Treatment Plant numberDate seed or seedling is plantedLight reading above vegetationSampling date (YYMMDD)Tiller numberFlowering tiller numberLength of tiller #1 (mm)Length of tiller #2 (mm)Length of tiller #3 (mm)Length of tiller #4 (mm)Length of tiller #5 (mm)Health evaluation codeMean length of the leaves (mm)Harvest date (YYMMDD)Live biomass (g/plant)Dead biomass (g/plant)Reproductive biomass (g/plant)Total above ground biomass (g/plant)Relative growth rateNeighbor live biomass (g/plant)Neighbor litter(dead) biomass (g/plant)
B52275017.041AN939005140.03490082910113141228284199009060.320.230.20.750.026923.120
B52275017.042NN1079005140.0359008292621614211827419.29009062.510.80.633.940.0411
B52275017.043RN9879005140.0329008292101515191623417.69009061.160.131.290.0321
B52275017.044RN6929005140.0359008293382728262231426.89009062.280.223.666.160.0451
B52275017.045AN6989005140.0329008291632630272231427.29009061.030.620.782.430.037733.140
B52275017.046NN7039005140.031900829130615161214412.69009060.630.170.80.0284
B52275017.047RN5829005140.029008291102520202217420.89009060.980.361.340.0364
B52275017.048NN7019005140.03290082936121832352221425.69009063.360.715.419.480.0496
B52275017.049AN7229005140.039008296218171719244199009060.170.310.390.870.029247.430
B52475017.041AN7429005140.039008291241421151512415.49009060.40.720.841.960.036333.920
B52475017.042NN7829005140.039008292333332213130429.49009062.420.31.23.920.0423
B52475017.043RN7779005140.02190082917091815105411.49009060.60.51.10.0346
                              

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Interactive Effects of Fertility and Distribution on Plant Community Diversity and Structure: Full aboveground harvest data

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