File photo of Matt Johnson kneeling in a field at his farm in Redkey

 
File photo of Matt Johnson kneeling in a field at his farm in Redkey
Farmer Matt Johnson pauses while in a dead area of his popcorn crop fields on his family's farm in Redkey, Indiana June 28, 2012, file photo. The government declared much of the central and southern Wheat Belt a natural disaster area on January 9, 2013, due to persistent drought that imperils this year's winter wheat harvest. REUTERS/Brent Smith/Files (UNITED STATES - Tags: ENVIRONMENT AGRICULTURE BUSINESS)