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Use of organic phosphate in nutrient culture

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Summary

Ethyl ammonium phosphate proved to be a good substitute for KH2PO4 as a source of phosphorus for corn (maize) growing in nutrient solutions under greenhouse conditions. Ethyl acid phosphate andn-propyl acid phosphate were ineffective as sources of phosphorus under these conditions.

Ethyl ammonium phosphate does not seem to interact with FeCl3 in the same way as does KH2PO4 at high pH (6.0–7.0) of the culture solution.

There appears to be no other published report of the successful use of organic phosphate as a source of phosphorus for plants growing in nutrient solution.

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References

  1. Drumheller, P. Fern, Sodium tetra-phosphate as a source of phosphorus in mineral nutrition studies with plants. M.S. Thesis, University of New Hampshire, U.S.A. (1944).

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  2. Dunn, Stuart and Roberts, Suzanne S., The availability of magnesium from organic carriers in artificial substrates. Plant Physiol.29, 337–342 (1954).

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  3. Majumder, S. K., and Dunn, S., Effect of metal chelates on growth of corn in solution cultures. Plant Physiol.33, 166–169 (1958).

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  4. Spencer, V. E. and Willhite, F. M., Phosphate studies II: Chemical availability of phosphorus in various organic and inorganic carriers, as indicated by the Neubauer test. Soil Sci.58, 151–161 (1944).

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  5. Wallace, A., (ed.), Symposium on the use of metal chelates in plant nutrition. The National Press, Palo Alto, California (1956).

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Authors and Affiliations

  1. Department of Botany, University of New Hampshire, Durham, New Hampshire, USA

    S. K. Majumder & Stuart Dunn

Authors
  1. S. K. Majumder
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  2. Stuart Dunn
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Additional information

Published with the approval of the Director of the New Hampshire Agricultural Experiment Station as Scientific Contribution No. 226.

This report is based on portions of a thesis presented in partial fulfillment of the requirements for the Ph.D. degree at the University of New Hampshire.

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Majumder, S.K., Dunn, S. Use of organic phosphate in nutrient culture. Plant Soil 10, 266–270 (1959). https://doi.org/10.1007/BF01416373

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  • DOI: https://doi.org/10.1007/BF01416373

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