First of all I would like to know where do you got this article? Can you provide the link?

I don't have much idea about it. But, I hope it will be "talking about many things at one page"

Thanks

A content farm, also called a content mill, is a Web site whose content is written for search engine bots instead of human readers. Topics on a content farm are chosen specifically for their ability to rank highly in search engine results.

Cotent farming is when you over optimize your site with same keywords all around and given a poor quality content. It also can be happen while too much hyperlink with the same anchor text. Don't try to duplicate too much keywords and sentence .

Content farming is when a site has poor/low quality data and duplicate content. Sites which are just build for backlinks are content farms. Most of the article directories come under this section.

Content farming is used by farmers to supplement their income when grain prices are low, or during low crop production.

HOW ABOUT CONTENT FARMING IS NONE OF THE ABOVE ANSWERS?

In the context of the World Wide Web, a content farm (or content mill) is a company that employs large numbers of freelance writers to generate large amounts of textual content which is specifically designed to satisfy algorithms for maximal retrieval by automated search engines.

Well, Content farming is also called a content mill, is a website whose content is written for search engine bots instead of human readers. A content farm generates revenue by placing ads on the page and selling contextual hyperlinks within the content.

A content farm is a company that uses search algorithm data to create articles, videos and other media that is designed to rank highly in the search engines. Content farms use a large pool of freelancers who choose or are assigned ideas from a list that is compiled by analyzing user search data. The main purpose of a content farm is to maximize pageviews and revenue generated by advertising on those pages while minimizing the costs and time needed to create the content. Content farms are also known as content mills and content factories.

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Creating invalid contents

A substance ranch, additionally called a substance plant, is a Web webpage whose substance is composed for web search search engine bots rather than human. Subjects on a substance ranch are picked particularly for their capacity to rank exceedingly in web index results.