Show Observation
User: Peter Hudy
Created on: 2011-05-03
Observation Date 2011-05-03
Comment:
Sprayed the LTER Main Site Treatment Fertility Gradient and Irrigated Fertility Gradient [N-Rate] Studies, all blocks and all treatments 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. The field was sprayed starting in the southeast corner. A single headland pass was made on both the north and the south side of the field. Because of the 15' treatment plot widths, the drive paths were centered between treatments so that we were not driving through the center of the treatment plots. 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:
Resource_Gradient-Irrigated Resource_Gradient_Non-Irrigated
Observation Type:
Mechanical Weed Control
Activities:
Attachments: