Show Observation

User: Peter Hudy

Created on: 2009-06-25

Observation Date 2008-06-06

Comment:
Sprayed the LTER Main Site, Lysimeter field, east 2/3 of field due to crabgrass emergence with preemergence weed control. Lexar (S-metolachlor (+ safener) + atrazine + mesotrione) was applied at 1 1/2 qts/acre (3.5 L/ha). Weather conditions: Partly cloudy with air temperature of 57 degrees F (13.9°C). Relative Humidity was 48%. Wind was from the north west at 7 mph. Time of application was 10:00 a.m. 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 for crabgrass control.

Areas:
LYSIMETER_FIELD

Observation Type:
Herbicide Application

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) @ 1.5 quart per acre • Material: H2O @ 20.0 gallon per acre

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