<http://schema.org/keywords>
"Remember last year's analogy I used once corn prices pushed through $7.50. Commodities is a zero-sum-game"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.agweb.com/blog/current_marketing_thoughts_140/are_the_funds_willing_to_push_the_grains_higher__/>