The Rhizosphere and plant growth : papers presented at a symposium held May 8-11, 1989, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland - Keister, Donald L.; Cregan, Perry B.; Beltsville Agricultural Research Center (Dordrecht : Kluwer Academic Publishers, 1991)
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Keywords: Rhizosphere -- Congresses; Plant -- soil relationships -- Congresses