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2. Bacteria in soil;Clark,1967
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4. : Vliv organo-minerálních hnojiv na fyzikalní vlastnosti pudy. (Einfluβ organomine-ralischer Düngung aufphysikalische Eigenschaften des Bodens.) Abschluβbericht des Forschungsthemas.
5. The effect of carbon to nitrogen ratios, and organic amendments on survival of propagules of Verticillium Albo-Atrum in soil;Green;Phytopathol.,1968