They don’t want to say “we don’t know,” but they don’t know. At least they have a working hypothesis about the collapse of the 2017 peanut crop in much of Florida: it has to do with variations in rainfall.
Bob Kemerait, Southeast Farm Press, 22 January 2018, Peanut collapse: Something happened but it’s not clear exactly why,
…For months, University of Florida’s Institute of Food and Agricultural Sciences Extension agents led by Anthony Drew, Mace Bauer and Dee Broughton had been sounding the alarm that an unprecedented collapse of the peanut crop was occurring across large areas of Florida’s production region. Symptoms of this collapse included stunted plants, late-season yellowing and leaves with distinctive marginal leaf necrosis. Where most severe, entire fields wilted in the weeks prior to harvest. Abysmal yields, off by as much as 45 percent, forced some to consider their future in farming if solution could not be found.
During the latter third of the season, Continue reading