SPECULATION
Contemporary agriculture faces enormous [ scale ] challenges 1-3 . Even with recent productivity gains, roughly one in seven people lack access to food or are chronically malnourished, [ demote ] [ eventuate ] stemming from continued poverty and mounting food prices 4,5 Unfortunately, the situation may worsen as food prices experience shocks from market speculation, bioenergy crop expansion and climactic disturbances 6,7 . if we solve these food access | crop problems | challenges much more crop production will probably be needed to guarantee future food security. doi:10.1038 / nature 10452 Copyright 2011 Jordon James Wallace
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