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In the present guide certain questions are pose, and replies have been given which, we hope, are as clear and precise as possible.  This document essentially constitutes an explanation of the role of phosphorus in the living world, in the soil, and in the life of platns, as well as the means of satisfying the phophorus needs of the plant by ferilisation.

Publication Details

  • Publisher: ISMA Ltd
  • Dewey Decimal: 631.85
  • ECHO Library: 631.85 ISM