Abstract
Chemical changes in the rhizosphere of soil-grown plants are demonstrated by non-destructive techniques based on colour reactions. The following examples are given: FeIII reduction in the rhizosphere of a Hakea species, MnIV reduction in the rhizosphere of chikpea, complexation of Al in the rhizosphere of Norway spruce, and the activity of acid phosphatase in the rhizosphere of maize.
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Dinkelaker, B., Hahn, G. & Marschner, H. Non-destructive methods for demonstrating chemical changes in the rhizosphere II. Application of methods. Plant Soil 155, 71–74 (1993). https://doi.org/10.1007/BF00024986
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DOI: https://doi.org/10.1007/BF00024986