Zariadenia na plašenie ...
Ultrazvukovým signálom odpudia hlodavce z objektu a preventívne ho chránia.
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A bird scarer is any of a number devices designed to scare birds, usually employed by farmers to dissuade birds from eating recently planted arable crops. They are also used on airfields to prevent birds accumulating near runways and causing a potential hazard to aircraft.
Bird Gard and Crop Management Instructions
Acoustical bird hazing is a proven method of stressing or harassing birds away from a crop, food source or habitat. Most of our bird repelling systems are “species specific.” To obtain maximum control, our growers have found that by using a random sound mixture of harassment, distress and alarm calls, excellent results have been attained. Active management control and understanding bird habits is the key to success.
For best results:
Install the Bird Gard/Crop Gard unit Well before the crop begins to change color and birds are attracted. This creates a “KEEP OUT” area for most pests prior to harvest.
Remember that most birds feed from the outside perimeter of a crop and use tree cover to roost in and for observation. Place speakers 15-50 feet inside crop pointing OUTWARDS whenever possible.
Mount speakers at least three (3) feet above tree or crop levels for maximum coverage. Sound will disperse or reflect off solid barriers or thick brush. Mount control unit out of direct sun, if possible.
When first installed, run the Bird Gard/Crop Gard units at FULL volume and on SHORT/MEDIUM time off periods. This ensures “pest stress” and “harassment”.
Watch and be aware of bird habits and their reactions. Check flight paths and readjust speaker locations accordingly. Check power source and unit settings often to insure continuous bird hazing. Be certain that the system is not turned OFF during crucial times.
Remember that the Bird Gard/Crop Gard system is a management tool. Effective results depend on your awareness of the local environment and attention to the system.
Be aware that under some situations of extreme drought or other adverse conditions, the pressure on the bird becomes so great that survival overrules any deterrent.
Robins spend most of their time on the ground, and may start to ignore bird scare placed above the crop. For them, also place some audio and visual scare near the ground (3-5 feet).
Play all bird cries, at least at first. Otherwise, intervals between cries may be too long. This also acts as harassment. Always have at least one predator cry on with the other birds.
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