Producing more food with the same or fewer resources has been one of humankind's most remarkable accomplishments. From 1950 to 1990, yield improvements in global food production enabled farmers to feed a population that doubled to 5.3 billion people, with food prices declining by one per cent per year during that time. But since 1990, the rate of yield improvements has slowed in most countries, including Canada. This pervasive slowdown is reflected in record high food prices and elevated concerns about food security...
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