The Farming World - World Grain Yields Not Rising Fast Enough - 蜜芽传媒 Sounds
The Farming World - World Grain Yields Not Rising Fast Enough - 蜜芽传媒 Sounds
World Grain Yields Not Rising Fast EnoughWorld Grain Yields Not Rising Fast Enough
Released On: 07 Jul 1997
Available for over a year
Increases in food grain yields have fallen behind population growth, reports Worldwatch
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