<http://schema.org/keywords>
"Brazil Corn: Brazilian farmers starting to say they might not plant near as much second crop corn next year. Prices have hit their lowest point in three years"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.agweb.com/blog/current_marketing_thoughts_140/brazils_soybean_yield_could_inch_higher/>