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Author: Wheal M.S. Rengel Z. Graham R.D.
Publisher: Oxford University Press
ISSN: 0305-7364
Source: Annals of Botany, Vol.81, Iss.3, 1998-03, pp. : 385-389
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By Welch R.M. Hart J.J. Norvell W.A. Sullivan L.A. Kochian L.V.
Plant and Soil, Vol. 208, Iss. 2, 1999-02 ,pp. :