A Rapid Method of Fumigating Nursery Soils with Methyl Bromide
For fumigating soils in larger nurseries, efficient and complete machine gassing is more practical, economical, and timesaving than hand gassing. Machinery has been developed that lays a polyethylene film on seedbeds and, as it is being laid, injects methyl bromide under the film in the form of a vapor (fig. 1). Using this method, it was possible to treat a 4- by 525-foot seedbed in one-half of a man-hour. This compared with about 10 man-hours on a similar plot, using methods employed in hand gassing.
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Author(s): Edward D. Clifford
Publication: Tree Planters' Notes - Issue 37 (1959)