Letter | Published:

Effect of Copper Deficiency in White Clover on Nitrogen Fixation

Naturevolume 192page1315 (1961) | Download Citation



IN view of a recent report by Hallsworth et al.1 that copper stimulates nitrogen fixation by subterranean clover (Trifolium subterraneum), the following evidence from a field trial is presented as indicating a similar function of copper in nitrogen fixation by white clover (T. repens).

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  1. 1

    Hallsworth, E. G., Wilson, S. B., and Greenwood, E. A. N., Nature, 187, 79 (1960).

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  1. Rukuhia Soil Research Station, Hamilton, New Zealand

    • F. H. VAN DER ELST
    • , K. J. McNAUGHT
    •  & W. F. ROLT


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