Name: Sorghum_Nitrogen_Rate_North_Experiment
| Observation Date | Observation Types | Observation Comment | Equipment | Material | |
|---|---|---|---|---|---|
| 2026-05-14 | Herbicide Application | Sprayed herbicide in GLBRC ... | John Deere 7420b Tractor (14.9 R 46 back tire size), Fast 3 Point Sprayer (LTER/GLBRC) | Herbicide Liberty Ultra: 25.6 fluid ounces/acre, Herbicide Roundup PowerMAX 3: 25.6 fluid ounces/acre | Show |
| 2025-06-24 | Herbicide Application | Sprayed LTER CE Study annua... | John Deere 7420b Tractor (14.9 R 46 back tire size), Fast 3 Point Sprayer (LTER/GLBRC) | Herbicide Liberty Ultra: 28.4 %s/acre, Herbicide Dual II Magum: 1.33 pints/acre | Show |
| 2025-06-23 | Planting | Replanting of 2025 GLBRC So... | John Deere 7420a Tractor, John Deere 1590 15' no-till drill. | Sorghum - Iowa State HPS5500: 220000.0 seeds/acre | Show |
| 2025-06-20 | Fertilizer Application | Fertilized Sorghum Nitrogen... | John Deere 7420b Tractor (14.9 R 46 back tire size), Fertilizer Applicator - 28% and/or Liquids (LTER Built) Six Row | Fertilizer UAN 28%: 30.0 gallons/acre | Show |
| 2025-04-11 | Fertilizer Application | Fertilized GLBRC Main Site ... | John Deere 7420b Tractor (14.9 R 46 back tire size), Gandy Orbit-Air (30' boom) | Fertilizer 0-0-60 potash fertilizer: 0.0 pounds/acre | Show |
| 2024-10-28 | Harvest | Harvested sorghum Nrate tri... | Kemper harvester / tractor / weigh container | Show | |
| 2024-06-12 | Herbicide Application | Sprayed Sorghum Nitrogen Ra... | John Deere 5225 Tractor, Shovel (hand powered), 3-point boom sprayer, 18' | Ammonium sulfate (AMS): 3.4 pounds/acre, Herbicide Roundup Power Max (glyphosate 48.7%): 44.0 ounces/acre, Atrazine: 1.0 quart/acre, Dual II Magnum (s-metolachlor (+ safener)) : 1.33 pints/acre | Show |
| 2024-06-11 | Planting | Planted GLBRC Sorghum Nitro... | John Deere 7420a Tractor, John Deere 1590 15' no-till drill. | Sorghum - Iowa State HPS5500: 80000.0 seeds/acre | Show |
| 2024-06-11 | Fertilizer Application | Fertilized Sorghum Nitrogen... | John Deere 7420b Tractor (14.9 R 46 back tire size), Fertilizer Applicator - 28% and/or Liquids (LTER Built) Six Row | Fertilizer UAN 28%: 0.0 gallons/acre | Show |