Plant and Soil

, Volume 49, Issue 3, pp 667–669 | Cite as

Toxic levels of soil and plant zinc for maize and wheat

  • P. N. Takkar
  • M. S. Mann
Short Communication

Summary

Maize and wheat crops grown for 60 days and maturity respectively in soils with a range of available zinc (0.4 to 109 ppm DTPA extractable) indicated 7 ppm Zn in soil and 60 ppm in plant being toxic for wheat. These limits for maize were 11 ppm Zn in soil and 81 ppm Zn in plant. Wheat crop is more susceptible to Zn toxicity as compared to maize.

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References

  1. 1.
    Lindsay, W. L. and Norvell, W. A., Agron Abst, p. 84 (1968).Google Scholar
  2. 2.
    Randhawa, N. S. and Takkar, P. N., Fert. News20, 11–18 (1975).Google Scholar
  3. 3.
    Thorn, W. D. Adv. Agron.9, 31–65 (1957).Google Scholar

Copyright information

© Martinus Nijhoff 1978

Authors and Affiliations

  • P. N. Takkar
    • 1
  • M. S. Mann
    • 1
  1. 1.Department of SoilsPunjab Agricultural UniversityLudhiana

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