Oil Spray Weeding as Applied to Forest Nurseries in Pennsylvania
During the summer of 1950 the Pennsylvania Department-of Forests and Waters conducted experiments at the Mont Alto Nursery on the use of mineral spirits for weed control, similar to those conducted by Cossitt and Eliason. Materials used in the tests consisted of two dry cleaning fluids; Sovasol #5, made by the Socony Vacuum Oil Co.; and Esso Weed Killer #35, a product of Standard Oil. The tests were conducted on two species, white and red pine, planted in the spring of 1950. Applications at the rate of 40, 60, 80, 100, and 120 gallons per acre were made using hand sprayers of the type used around the house to apply insect sprays. Test plots were 80 sq. ft. in area.
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Author(s): Ray O. Brooks
Publication: Tree Planters' Notes - Issue 4 (1951)