date:Jun 07, 2013
60% increase since 2000. Over the past decade global average yields have increased by nearly 1.8% to 12.8 tonnes per hectare (about 2.5 acres).
Higher yields may be achieved through the use of improved soil health instead of heavy use of chemical inputs, according to the F.A.O. guide, which also recommends a protective cover of vegetation over soil, mixed cropping and crops rotation.
In Vietnam, farmers used improved technologies and practices to boost cassava yields by more than 400% to 36 to