This paper is relevant to the impact areas in the following areas:
|Traits:||Herbicide Tolerance, Insect Res. (BT), Insect Resistance|
|Tags:||food security, life cycle assessment, profitability|
Abstract or Summary
White maize in South Africa is the only staple crop produced on a widespread commercial basis for direct human consumption using genetically modified (GM) cultivars. Using a combined economic and environmental approach, we estimate the total welfare benefits attributable to GM white maize in South Africa for 2001–2018 are $694.7 million. Food security benefits attributable to GM white maize in South Africa also manifest through an average of 4.6 million additional white maize rations annually. To achieve these additional annual rations using conventional hybrid maize, the additional land required would range from 1088 ha in 2001 to 217,788 ha in 2014. Results indicate that GM maize reduces environmental damage by $0.34 per hectare or $291,721 annually, compared to conventional hybrid white maize.
Economic and ecosystem impacts of GM maize in South Africa (held on an external server, and so may require additional authentication details)
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