DR GRIME replies: There is a clear difference of opinion between Newman and myself with regard to the role of root competition in natural vegetation. It would be a mistake to pursue the discussion, however, without first defining competition and placing the phenomenon in a wider but relevant context.
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GRIME, J. Competition and Diversity in Herbaceous Vegetation (reply). Nature 244, 311 (1973). https://doi.org/10.1038/244311a0
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