Dataset
The Effect of Nitrogen Addition and Different pH Levels on Microorganism Populations - Experiment 024
Plant aboveground biomass data
Years Available: 1987 - 1989
Principle Investigators
Hankinson, Tom
Schmidt, Ed
Tilman, David
View All Experiment and Dataset Methods
Environmental Data Initiative data package
| EDI Package ID | DOI |
|---|---|
ATTRIBUTES
| Field | Name | Definition | Unit | Code |
|---|---|---|---|---|
| 1 | Field number/letter | Field number/letter | ||
| 2 | Experiment number | Experiment number | ||
| 3 | Plot number | Plot number | ||
| 4 | pH treatment | Other nutrient additions trying to create different pH levels | 1=received 62.5 g/m2 S 250 g/m2 FeSO4; 2=received no nutrients to adjust the pH level; 3=received 62.5 g/m2 of Ca(OH)2 in 1984 and 125 g/m2 in 1985; 4=received 125 g/m2 of Ca(OH)2 in 1984 and 250 g/m2 in 1985 | |
| 5 | Nitrogen Treatment | Nitrogen treatment applied twice per year | 5=8.0 g/m2; 7=25.0 g/m2; 9=0.0 g/m2 | |
| 6 | Ammonium Nitrate(34-0-0) addition(g/m2/yr) | Total annual nitrogen fertilizer addition | gramsPerMeterSquaredPerYear | |
| 7 | Sampling date (YYMMDD) | Sampling date (YYMMDD) | ||
| 8 | Species Name | Species Name | ||
| 9 | Maximum plant height (cm) | Maximum plant height (cm) | centimeter | |
| 10 | Median plant height (cm) | Median plant height (cm) | centimeter | |
| 11 | Species Biomass (g/m2) | Species Biomass (g/m2) | gramsPerSquareMeter | |
| 12 | Species proportion of total biomass | Species proportion of total biomass | dimensionless |
SAMPLE DATASET
| Field number/letter | Experiment number | Plot number | pH treatment | Nitrogen Treatment | Ammonium Nitrate(34-0-0) addition(g/m2/yr) | Sampling date (YYMMDD) | Species name | Maximum plant height (cm) | Median plant height (cm) | Species Biomass (g/m2) | Species proportion of total biomass |
|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Hedeoma hispida | 8 | 0.603 | 0.0029 | |
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Potentilla recta | 3.5 | 0.053 | 0.0003 | |
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Achillea millefolium(lanulosa) | 30.4 | 3.553 | 0.0169 | |
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Poa pratensis | 25 | 4.74 | 0.0225 | |
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Andropogon scoparius | 38 | 195.3 | 0.9279 | |
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Andropogon gerardi | 44 | 6.187 | 0.0294 | |
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Miscellaneous litter | 789.533 | 0 | ||
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Equisetum arvense | 11.3 | 0.037 | 0.0002 | |
| B | 24 | 1 | 3 | 5 | 16 | 870715 | Mosses & lichens | 1.103 | 0 | ||
| B | 24 | 2 | 2 | 7 | 50 | 870715 | Andropogon gerardi | 32 | 37.07 | 0.1668 | |
| B | 24 | 2 | 2 | 7 | 50 | 870715 | Andropogon scoparius | 37.5 | 152.7 | 0.687 | |
| B | 24 | 2 | 2 | 7 | 50 | 870715 | Achillea millefolium(lanulosa) | 23.9 | 32.51 | 0.1463 |
| Download dataset ple024 The Effect of Nitrogen Addition and Different pH Levels on Microorganism Populations: Plant aboveground biomass data | ||
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