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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Volume 19, Number 4 (1969) → A Modified Electronic Fence for Nursery Protection

A Modified Electronic Fence for Nursery Protection

The cost of keeping predators out of small nurseries, such as those maintained at research installations, is usually disproportionately high. Shotgun bird patrols, firecrackers, and carbine cannons either are costly, require maintenance, or offer only limited protection. Rodents usually feed on seeds and seedlings at night when there is no protection. Yet for the past 3 years, we have been able to protect the seeds and seedlings in a 60- by 130foot experimental nursery for only pennies a day. A modified electric fence provides this protection fig. 1). Two "hot lines" are strung completely around the nursery on insulators. One line is approximately an inch above the ground, and the other is atop poles 10 feet tall. A grounded line, also affixed to the insulators atop the poles, runs parallel to the hot line.


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Author(s): Russell M. Burns, Robert J. Flanders

Publication: Tree Planters' Notes - Volume 19, Number 4 (1969)

Volume: 19

Number: 4