What are some easy ways of keeping rodents out of the garden?

Some of my annuals are being devoured by groundhogs and rabbits. I work at a large facility, so trapping is probably unrealistic. I've heard chili pepper on the plants will do the trick. Any other suggestions?What are some easy ways of keeping rodents out of the garden?
Most of the time a fence is the only way to really keep them out. There are repellents but you have to continually spray them on. The chili pepper does not work. At you facility the fence would be impractical so you are best to go with a repelent spray and spray it every few days.


http://www.ehow.com/how_2092409_keep-rod鈥?/a>


http://www.gardeners.com/Keeping-Animal-鈥?/a>


http://www.bugspray.com/catalog/products鈥?/a>What are some easy ways of keeping rodents out of the garden?
motion detector on sprinkler:


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:-)





groundhog control:


http://search.yahoo.com/search;_ylt=A0oG鈥?/a>





rabbits:


http://search.yahoo.com/search;_ylt=A0oG鈥?/a>