The article on the potential for global food shortages refers (“The world is dry and hungry but GM crops could change all that (https://www.businesslive.co.za/bd/world/2021-04-26-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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