zizzybug4610 zizzybug4610
  • 20-01-2018
  • Biology
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Experts disagree on why worldwide per capita grain production has flattened off. what factors may be to blame

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W0lf93
W0lf93 W0lf93
  • 02-02-2018
Many crop diseases and pests have become resistant to existing pesticides and this is a possible reason thy world per capita grain production has flattened out. Another possible reason may be the changing global climate which has affected rain fall in many areas.
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