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ISSN:0305-7364|81|2|349-354

Oxford University Press‎(1998)‎

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By Cheng Y.   Watkin E.L.J.   O'Hara G.W.   Howieson J.G.   in Plant and Soil

ISSN:0032-079X|238|1|31-39

Springer Publishing Company ‎(2002)‎

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