CO2 evidently doesn't kill peanuts; US peanut farmers are harvesting a record-shattering crop this year

Farms Awash in Peanuts - WSJ.com

Peanut-butter hoarders can relax.

U.S. peanut farmers are harvesting a record crop this year, putting to rest fears of repeating the shortage that drove up prices over the past year and prompted some shoppers to load up their pantries with the spread.

The U.S. Department of Agriculture last week raised its estimate for the 2012 peanut harvest to 6.1 billion pounds, blowing through the 2008 record of almost 5.2 billion pounds.
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On top of that, farmers for the most part used peanut seeds that are more disease-resistant, yielding a record number of peanuts per acre and a better-quality crop with more peanuts that can be used in peanut butter rather than be processed for oil.