<http://schema.org/about>
"Sure, eating produce grown in your own garden is fun and healthy. But it can also be a big money-saver during tough economic times. Here's how big."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/organic-farming-gardening/stories/how-much-is-your-vegetable-garden-worth>