Show Observation

User: Peter Hudy

Created on: 2009-07-09

Observation Date 2009-06-23

Comment:
Sprayed the LTER main site, treatment T2, replications 1-6 for post-emergence weed control of roundup ready soybeans varitey 92Y30, with Roundup OriginalMax 5.5L (glyphosate) at 22 ounces/A with sprayable ammonium sulfate at 17 pounds/100 gallons of water (3.4 pounds/A). A total of 15 acres were sprayed and 10.3 quarts Roundup and 51 pounds of ammonium sulfate were applied. Weather conditions at 10 a.m. Sunny with temperatures of 74F, wind was calm at 0 mph. Relative humidity was 55%. Equipment used: JD 5220 tractor traveling 4.8 mph (gear C1, 1550 rpm) with a pull type Top Air Sprayer equipped with a a hydraulic centrifugal sprayer pump and a Raven 440 automatic carrier control unit. Turbo TeeJet 11003 wide angle flat fan 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:
T2

Observation Type:
Mechanical Weed Control

Activities:

Attachments: