The article on the potential for global food shortages refers (“The world is dry and hungry but GM crops could change all that (”, April 26).

SA’s maize industry has enjoyed an astonishing improvement in yields since the adoption of genetically modified (GM) seeds in the 2000/2001 production season. Yields improved from an average of 2.8 tonnes per hectare in 2000/2001 to about 5.9 tonnes per hectare in the 2019/2020 production season...

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