Show Observation
User: Peter Hudy
Created on: 2011-05-02
Observation Date 2011-05-02
Comment:
Sprayed the LTER Main Site Lysimeter Field 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 preplant weed burndown. Roundup Power Max was applied at 44 oz/A and the ammonium sulfate was applied at 3.4 lbs/A. Microplots located in the northwest corner of each plot were not sprayed. The microplots measured 50 feet (north-south) by 133' (east-west). Equipment used: JD 5220 tractor traveling 5.0 mph (gear C1, 1600 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. 20-30 psi was used. Water applied at 20 gals/A (187 L/Ha) was used as the carrier.
Areas:
LYSIMETER_FIELD
Observation Type:
Mechanical Weed Control
Activities:
Attachments: