Show Observation

User: Peter Hudy

Created on: 2009-06-19

Observation Date 2008-05-15

Comment:
Sprayed the LTER Main Site, Nitrogen rate study, for preemergence weed control. Lexar (S-metolachlor (+ safener) + atrazine + mesotrione) was applied at 3 qts/acre (7.1 L/ha). Weather conditions: Partly cloudy with air temperature of 52 degrees F (11.1°C). Relative Humidity was 45%. Wind was from the west at 5 mph. Time of application was 12:00 noon. Equipment Used: JD 5320 tractor traveling 5 mph (gear C1, 1650 rpm) with a 3-point mounted sprayer with a rolling pump (Dempco). Turbo TeeJet 8002 nozzles were used, spaced 15 inches apart with a total boom length of 15 feet. 30 psi was used. Water applied at 20 gallons/acre (187L/ha) was used as the carrier. Purpose of application: Pre-emergence herbicide application.

Areas:
Resource_Gradient-Irrigated Resource_Gradient_Non-Irrigated

Observation Type:
Mechanical Weed Control

Activities:

Worker: Greg Parker

Equipment: John Deere 5320 Tractor

Equipment: Demco 3-point mounted sprayer

Equipment: 8002 Flat Fan Nozzles • Material: Herbicide Lexar (S-metolachlor (+safener) + atrazine + mesotrione) @ 3.0 quart per acre • Material: water @ 20.0 gallon per acre

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