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User: Ethan Rocklin
Created on: 2024-06-11
Observation Date 2024-06-11
Comment:
Fertilized Sorghum Nitrogen Rate Experiment
Fertilizer applications were with 28-0-0 which supplied 28% nitrogen in the form of Urea-Ammonium Nitrate (UAN).
A single pass of a 28% applicator was used to knife in the correct amount of fertilizer. The 28% applicator has seven coulters where the 5 inside coulters apply a full target rate and the 2 outside coulters apply half of the target rate. The applicator is controlled by a rate controller as well as inline orifices.
Fertilizer was knifed roughly 5-6 inches into the ground.
The amounts of nitrogen applied were as follows:
T1 (101, 205, 303, 407) 0 lbs N/A;
T2 (102, 203, 307, 403) 25 lbs N/A (8.4 gal/A);
T3 (103, 201, 306, 406) 50 lbs N/A (16.7 gal/A);
T4 (104, 207, 308, 408) 75 lbs N/A (25.1 gal/A);
T5 (105, 204, 301, 402) 100 lbs N/A (41.8 gal/A);
T6 (106, 206, 304, 404) 125 lbs N/A (41.8 gal/A);
T7 (107, 208, 305, 401) 150 lbs N/A (50.2 gal/A);
T8 (108, 202, 302, 405) 175 lbs N/A (58.5 gal/A);
Equipment used: JD 7420b tractor and liquid fertilizer applicator that was built by the FSC that was equipped with a rate controller and inline orifices. Orifices were changed to a smaller set to achieve the rates for T2 and T3.
Areas:
Sorghum_Nitrogen_Rate_Experiment_North
Observation Type:
Fertilizer Application
Activities:
Attachments: