In search of perennial solutions

Stuart L. Pimm
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Stuart L. Pimm: The University of Tennessee

Nature, 1997, vol. 389, issue 6647, 126-127

Abstract: Wheat, maize and the other grains constitute some 85% of global food production. But these plants are annuals, and they are usually grown in monoculture. The consequences are that harvesting them leaves the earth vulnerable to erosion; extra fertilizers are required for their growth; and they are especially prone to attack by pests and diseases. Could a more natural agricultural system, based on several perennial species, be both productive and avoid some of these problems? The prospects for such systems were discussed at a meeting last month.

Date: 1997
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DOI: 10.1038/38126

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