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Acknowledgements
For helpful criticism the author is grateful to Dr H. G. Thornton, f.r.s., and to colleagues at Canberra, in particular Dr F. H. W. Morley. Thanks are also due to Miss Joan Crawley, Mr M. Shaw and Mrs A. H. G. C. Rijven for technical assistance, and to Mr J. Brockwell for permission to quote results obtained in the plant passage experiment.
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Nutman, P. Symbiotic effectiveness in nodulated red clover. Heredity 11, 157–173 (1957). https://doi.org/10.1038/hdy.1957.14
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DOI: https://doi.org/10.1038/hdy.1957.14
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