QUOTE(Richard Smith @ Aug 8 2012, 10:49 PM)
Link farming is what happens when your site has links from one site and appears a hundred or thousands of links. Link farming is link spamming. It is process of exchanging reciprocal links with web sites in order to increase search engine optimization. Link farming is to increase the number of sites that link to yours.
Another thing , Link farming is a thing google hate most.