Dissolution of phosphate rock in the rhizosphere of five plant species grown in an acid, P-fixing mineral substrate

@inproceedings{Hinsinger1997DissolutionOP,
  title={Dissolution of phosphate rock in the rhizosphere of five plant species grown in an acid, P-fixing mineral substrate},
  author={Philippe Hinsinger and Robert J. Gilkes},
  year={1997}
}
Abstract The dissolution of phosphate rock (PR) was studied in the presence and absence of plants grown in an acid mineral substrate (alumina sand) that simulates an acidic, P-fixing soil. This substrate being devoid of P and Ca, PR was the only source of both P and Ca for the plants. In the absence of plants, the low pH of the substrate (pH about 4) resulted in dissolution of about 8 and 30% of the applied PR, at high and low levels of application (1.0 and 0.1 mg P as PR per g of substrate… CONTINUE READING

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