Plant and Soil

, Volume 44, Issue 2, pp 481–486 | Cite as

Occurrence of physiologically inactive zinc in maize on a black earth soil

  • D. R. Leece
Short Communication
Received:

Summary

Physiologically inactive zinc occurred in the tops of both ‘zinc-inefficient’ and ‘zinc-efficient’ maize cultivars when grown in pots on a black earth soil. The condition was not caused by P/Zn, Fe/Zn, Cu/Zn or Mn/Zn imbalances, but was associated with marginally deficient boron levels. Phosphorus fertilization intensified the condition producing a P/Zn imbalance in both cultivars, possibly combined with a Cu/Zn imbalance in the ‘inefficient’ cultivar and Fe/Zn, Cu/Zn and Mn/Zn imbalances in the ‘efficient’ cultivar. Plant analysis was inadequate as a measure of zinc deficiency under these conditions.

Keywords

Zinc Phosphorus Maize Boron Plant Physiology 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Martinus Nijhoff Publishers 1976

Authors and Affiliations

  • D. R. Leece
    • 1
  1. 1.Department of AgricultureChemistry BranchRydalmereAustralia

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