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Soil inorganic polyphosphates of microbial origin

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Summary

Extraction of eight soils with cold 0.5 M perchloric acid yielded acid-labile phosphates in four of them which were shown to be naturally occurring inorganic polyphosphates of microbial origin. The amounts estimated were in the range of 5.0 to 11.1 µg P/g soil. Gel filtration through Sephadex G-25 indicated variation with respect to chain lengths and molecular weights of these polyphosphates. Addition of excess amounts of orthophosphate to 14-day incubated glucose-amended soils resulted in accumulation of larger quantities (up to 22.0 µg P/g soil) of acid-labile polyphosphates in some soils. re]19720407

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Authors and Affiliations

  1. College of Agriculture, Udapur, Raj, India

    C. P. Ghonsikar

Authors
  1. C. P. Ghonsikar
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  2. R. H. Miller
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Department of Agronomy, Ohio State University and Ohio Agricultural Research and Development Center

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Ghonsikar, C.P., Miller, R.H. Soil inorganic polyphosphates of microbial origin. Plant Soil 38, 651–655 (1973). https://doi.org/10.1007/BF00010703

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  • DOI: https://doi.org/10.1007/BF00010703

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