That means farmers must use more fertilizer to increase yields.
"Technological advances in food production can be part of the solution to increase yields.
"We're trying to bring improved seeds to rural villages to increase yields.
It has been found to increase yields by 20-10020-100%ny countries including India, Cambodia and Vietnam.
While many agriculture innovators are seeking to increase yields, others are coming at the problem from a different angle.
While Ethiopia is Africa's largest producer of chickpeas, there remains high potential to increase yields and improve quality.
Mr Zeigler reckons IRRI has enough tinkerings in the pipeline to increase yields by one or two tonnes a hectare.
Rural Mexico needs investment to increase yields and move out of corn and into more lucrative crops that are better suited to the country's arid and mountainous terrain.
Learning about improved techniques has enabled them to increase yields: where once they harvested two bags of cassava, now they get 15.
All of these crops, he said, have "potential to increase yields, nutrition … but the work hasn't been done, because there hasn't been that commercial drive".
The risk to sellers is that the brokers and the auctioneer could collude to increase yields beyond what they would be in a blind auction.
