Definitions of Heavy Metals, Essential and Beneficial Plant Nutrients

  • Gyanendra Nath Mitra


Heavy metals are defined as metals with a density higher than 5 g cm−3. Of about 90 naturally occurring elements, 53 are considered as heavy metals. A total of 18 elements are considered essential for plant nutrition. A few of the elements are considered beneficial. They are not essential for plant nutrition but provide indirect benefit to the plants and animals who consume the plants.


Heavy Metal Nitrogen Fixation Sewage Sludge Plant Nutrition Phosphatic Fertiliser 
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

© Springer India 2015

Authors and Affiliations

  • Gyanendra Nath Mitra
    • 1
  1. 1.Department of Soil Science and Agricultural ChemistryOrissa University of Agriculture and TechnologyBhubaneswarIndia

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