Show Observation
User: Peter Hudy
Created on: 2009-06-25
Observation Date 2009-06-25
Comment:
Sprayed the LTER Lysimeter fetch area, for post-emergence weed control. Roundup Original Max 5.5L (gyphosate) was applied at 1 quart/acre (3.87 L/ha) and ammonium sulfate (AMS) at 17#/100gal. Weather conditions: Sunny with air temperature of 90 degrees F (33°C). Relative Humidity was 76%. Wind was from northwest at 5 mph. Time of application was between 11:0030 a.m. and 1:00 p.m. Equipment Used: JD 5220 tractor traveling 4.8 mph (gear C1, 1550 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 were 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: