Narrative Agronomic Log
Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use
A narrative log of the agronomic operations done on the Resource Gradient Experiment.
This datatable is part of the Resource Gradient Study Management dataset. The log of the resource gradient study agronomic management. A “browsable” interface to the aglog is available at https://aglog.kbs.msu.edu
Note
| Experiment: | Resource Gradient Experiment |
| Data available from: | May 2000 to July 2020 |
| Dataset: | KBS084 |
| Datatable ID: | KBS084-001.22 |
| Repository link: | http://doi.org/10.6073/pasta/a7fa8e36847074f2a7d7cb644360ed2f |
| Personnel: |
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| Last Updated | 2020-07-10 |
| Variate | Description | Units |
|---|---|---|
| obs date | observation date | |
| Comment | description of the agronomic operations performed | |
| author | author of this observation | |
| source | the aglog entry source |
Data Excerpt
| obs_date | comment | author | source |
|---|---|---|---|
| 2021-09-13 | Irrigated soybeans in the LTER Irrigated Resource Gradient Experiment (Irrigated N-rate Study). Equipment used: Valley 8000 Linear Irrigation System. Amount of water applied: 0.6 inch of water was applied (as measured by six rain gauges). Irrigation system delay setting: 36; Irrigation pressure: 23 psi; Pressure at the pump: 50 psi. Time of application was between 1:05 p.m. - 2:25 p.m. Weather conditions at the start (weather update at 12:50 p.m.): mostly cloudy, 69.7 degrees F, wind 1-8 mph (3m high 5 minute average wind speed was 1.00 mph) from the northeast, relative humidity 89.1%. Weather conditions at the end (weather update at 2:25 p.m.): mostly cloudy, 69.4 degrees F, wind 5-15 mph (3m high 5 minute average wind speed was 7.36 mph) from the east, relative humidity 83.2%. Total gallon of water used in this irrigation event (as measure by a in-line water meter): 33,633.8 gallons. Water meter to start: 4314235.0; Water meter to end: 4347868.8; Average gallons per minute (on the water meter) during the irrigation event: 426 gallons per minute. | Joe Simmons | https://aglog.kbs.msu.edu/observations/5219 |
| 2021-09-09 | Irrigated soybeans in the LTER Irrigated Resource Gradient Experiment (Irrigated N-rate Study). Equipment used: Valley 8000 Linear Irrigation System. Amount of water applied: 0.80 inch of water was applied (as measured by six rain gauges). Irrigation system delay setting: 22; Irrigation pressure: 23 psi; Pressure at the pump: 50 psi. Time of application was between 9:55 p.m. - 11:40 p.m. Weather conditions at the start (weather update at 9:30 a.m.): Partly sunny, 61.1 degrees F, wind 3-4 mph (3m high 5 minute average wind speed was 3.28 mph) from the northwest, relative humidity 86%. Weather conditions at the end (weather update at 11:40 a.m.): sunny, 65.8 degrees F, wind 6-10 mph (3m high 5 minute average wind speed was 8.29 mph) from the northwest, relative humidity 61.2%. Total gallon of water used in this irrigation event (as measure by a in-line water meter): 45,634.9 gallons. Water meter to start: 4144174.0.0; Water meter to end: 4189808.9; Average gallons per minute (on the water meter) during the irrigation event: 424 gallons per minute. | Leon Thelen | https://aglog.kbs.msu.edu/observations/5203 |
| 2021-09-02 | Irrigated soybeans in the LTER Irrigated Resource Gradient Experiment (Irrigated N-rate Study). Equipment used: Valley 8000 Linear Irrigation System. Amount of water applied: 0.975 inch of water was applied (as measured by six rain gauges). Irrigation system delay setting: 22; Irrigation pressure: 23 psi; Pressure at the pump: 50 psi. Time of application was between 2:15 p.m. - 4:00 p.m. Weather conditions at the start (weather update at 2:00 p.m.): sunny, 73.7 degrees F, wind 1-11 mph (3m high 5 minute average wind speed was 1.73 mph) from the north, relative humidity 45.9%. Weather conditions at the end (weather update at 4:25 p.m.): sunny, 75.3 degrees F, wind 2-11 mph (3m high 5 minute average wind speed was 1.99 mph) from the northeast, relative humidity 37.3%. Total gallon of water used in this irrigation event (as measure by a in-line water meter): 45,920.6 gallons. Water meter to start: 3964045.0; Water meter to end: 4009965.6; Average gallons per minute (on the water meter) during the irrigation event: 423 gallons per minute. | Joe Simmons | https://aglog.kbs.msu.edu/observations/5202 |
| 2021-08-30 | Irrigated soybeans in the LTER Irrigated Resource Gradient Experiment (Irrigated N-rate Study). Equipment used: Valley 8000 Linear Irrigation System. Amount of water applied: 0.625 inch of water was applied (as measured by six rain gauges). Irrigation system delay setting: 32; Irrigation pressure: 23 psi; Pressure at the pump: 50 psi. Time of application was between 12:05 p.m. - 1:25 p.m. Weather conditions at the start (weather update at 11:55 a.m.): mostly sunny, 77.2 degrees F, wind 1-6 mph (3m high 5 minute average wind speed was 4.81 mph) from the west, relative humidity 59.8%. Weather conditions at the end (weather update at 1:25 p.m.): mostly sunny, 79.8 degrees F, wind 2-11 mph (3m high 5 minute average wind speed was 4.27 mph) from the northwest, relative humidity 55.3%. Total gallon of water used in this irrigation event (as measure by a in-line water meter): 36,633.2 gallons. Water meter to start: 3873228.0; Water meter to end: 3909861.2; Average gallons per minute (on the water meter) during the irrigation event: 423 gallons per minute. | Joe Simmons | https://aglog.kbs.msu.edu/observations/5199 |
| 2021-08-23 | Irrigated soybeans in the LTER Irrigated Resource Gradient Experiment (Irrigated N-rate Study). Equipment used: Valley 8000 Linear Irrigation System. Amount of water applied: 1.029 inch of water was applied (as measured by six rain gauges). Irrigation system delay setting: 20; Irrigation pressure: 23 psi; Pressure at the pump: 50 psi. Time of application was between 10:15 a.m. - 12:15 p.m. Weather conditions at the start (weather update at 10:00 a.m.): mostly sunny, 72.7 degrees F, wind 0-10 mph (3m high 5 minute average wind speed was 2.89 mph) from the west, relative humidity 79.9%. Weather conditions at the end (weather update at 12:00 p.m.): mostly sunny, 77.6 degrees F, wind 0-12 mph (3m high 5 minute average wind speed was 4.91 mph) from the west, relative humidity 70.3%. Total gallon of water used in this irrigation event (as measure by a in-line water meter): 53,604.7 gallons. Water meter to start: 3819623.0; Water meter to end: 3873227.7; Average gallons per minute (on the water meter) during the irrigation event: 426 gallons per minute. | Joe Simmons | https://aglog.kbs.msu.edu/observations/5196 |