Agronomic soil chemistry data for the GLBRC Sorghum Nitrogen Rate Experiment — GLBRC Sorghum Nitrogen Rate Experiment
Data in the KBS GLBRC core database may not be published without written permission of the lead investigator or project director Full terms of use
Agronomic soil chemistry data for the GLBRC Sorghum Nitrogen Rate Experiment
This datatable is part of the GLBRC Sorghum Nitrogen Rate Experiment dataset.
This study investigates the effects of nitrogen application on energy sorghum. The experiment is conducted in two field sections, located north and south of the KBS GLBRC Biofuels Cropland Systems Experiment. It includes treatments of eight nitrogen application rates, each replicated four times, within a soybean-sorghum rotation system.
Note
| Experiment: | GLBRC Sorghum Nitrogen Rate Experiment |
| Dataset: | GLBRC152 |
| Datatable ID: | GLBRC246-002.17 |
| Core Areas | Inorganic Nutrients |
| Repository link: | |
| Related Tables: | |
| Personnel: |
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| Last Updated | 2026-02-03 |
| Variate | Description | Units |
|---|---|---|
| sample date | ||
| site | ||
| experiment | ||
| treatment | ||
| replicate | ||
| field section | two field sections: northern and southern | |
| soil depth | cm | |
| campaign | ||
| pH | ||
| lime index | ||
| p ppm | phosphorus | mg/kg |
| k ppm | potassium | mg/kg |
| ca ppm | calcium | mg/kg |
| mg ppm | magnesium | mg/kg |
| est cec | Cation exchange capacity in meq/100g soil | |
| p M3 ppm | phosphorus concentration by Mehlich 3 (M3) phosphorus test | mg/kg |
| comments | ||
| analysis lab |
| Protocols |
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| sample_date | site | experiment | treatment | replicate | field_section | depth | campaign | ph | lime_index | p_ppm | k_ppm | ca_ppm | mg_ppm | est_cec | p_M3_ppm | comments | lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-25 | KBS GLBRC Intensive Site | GLBRC Sorghum Nitrogen Rate Experiment | NA | 1 | north | 0-25cm | surface sampling | 5.9 | 20.0 | 118.0 | 550.0 | 80.0 | 4.9 | 27.0 | the southern half | A&L Great Lakes Laboratories, Inc | |
| 2025-11-25 | KBS GLBRC Intensive Site | GLBRC Sorghum Nitrogen Rate Experiment | NA | 1 | north | 0-25cm | surface sampling | 5.5 | 29.0 | 105.0 | 450.0 | 60.0 | 4.2 | 39.0 | the northern half | A&L Great Lakes Laboratories, Inc | |
| 2025-11-25 | KBS GLBRC Intensive Site | GLBRC Sorghum Nitrogen Rate Experiment | NA | 1 | south | 0-25cm | surface sampling | 5.8 | 19.0 | 69.0 | 400.0 | 70.0 | 4.0 | 27.0 | A&L Great Lakes Laboratories, Inc | ||
| 2025-11-25 | KBS GLBRC Intensive Site | GLBRC Sorghum Nitrogen Rate Experiment | NA | 2 | south | 0-25cm | surface sampling | 5.9 | 12.0 | 54.0 | 400.0 | 70.0 | 3.9 | 17.0 | A&L Great Lakes Laboratories, Inc | ||
| 2025-11-25 | KBS GLBRC Intensive Site | GLBRC Sorghum Nitrogen Rate Experiment | NA | 2 | north | 0-25cm | surface sampling | 5.7 | 27.0 | 85.0 | 500.0 | 60.0 | 4.4 | 37.0 | the southern half | A&L Great Lakes Laboratories, Inc |