Deer Deterrents
A diversity of methods of deterring deer from browsing or grazing plants and crops has been attempted. Unfortunately, exhaustive, controlled field experiments are limited to proprietary compounds applied to plantation forests. As a result much of what is known is drawn from the experiences of gardeners, foresters and nursery managers and this is likely to be insufficient for plant protection under every situation.
Chemical repellents are regulated in the UK by the Control of Pesticides (Amendment) Regulations 1997.
Rather bizarrely, lion dung and human hair (two oft q