Show Observation

User: Justin Mezo

Created on: 2013-04-26

Observation Date 2013-04-26

Comment:
Sprayed LTER Main Site Fertility Gradient (N-rate) Study, including irrigated and dry-land areas, all replications, for post emergence weed control in winter wheat. Plots sprayed with Affinity BroadSpec herbicide at .8 oz/A and Preference non-ionic surfactant at .25% v/v (1 qt/100 gal carrier). Time of application was 11:30am - 12:20pm. Weather conditions were sunny, temperature was 40°F at start and 54°F at end, 39% relative humidity, winds out of southeast at 6-12 mph with 10 minute average of 8 mph. 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 John Deere Rate Controller. 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:

Worker: Justin Mezo

Equipment: Top Air Sprayer • Material: Affinity Broad-Spec Herbicide @ 0.8 ounce per acre • Material: NIS surfactant @ 0.25 % v/v per acre

Equipment: John Deere 5220 Tractor

Attachments: