Show Observation
User: Peter Hudy
Created on: 2012-06-26
Observation Date 2012-06-26
Comment:
Sprayed the LTER Main Site Treatment T8nt, all replications, Interaction Study area, GLBRC Productivity Study, and GLBRC replicate 6 area, soybeans only, with Roundup Power Max (EPA Reg. No. 524-549) (Glyphosate: N-(phosphonomethyl)glycine, in the form of its potassium salt, 48.7%) and Ammonium Sulfate (sprayable, CAS #7783-20-2) for post-emergence weed control in soybeans. Roundup Power Max was applied at 22 oz/A and the ammonium sulfate was applied at 3.4 lbs/A. Equipment used: JD 5220 tractor traveling 4.8 mph (gear C1, 1400 rpm) with a pull type Top Air Sprayer equipped with a hydraulic centrifugal sprayer pump and a Raven 440 automatic carrier control unit. Turbo TeeJet 11003 nozzles were used, spaced 15 inches apart with a total boom length of 30 feet. 10 psi was used. Water applied at 20 gals/A (187 L/Ha) was used as the carrier. Weather conditions at 10 a.m. start were 68 degrees F (20.0 degrees C), 51% relative humidity, 10 minute wind velocity of 0 mph from W. Weather conditions at the 1 p.m. end were 75 degrees F (23.9 degrees C), 51% relative humidity, 10 minute wind velocity of 2 mph from W.
Areas:
GLBRC_Trap_Crop_Area Interaction T8nt
Observation Type:
Mechanical Weed Control
Activities:
Attachments: