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Effect of soil heavy metal contamination upon growth and nutrient composition of corn

, : Effect of soil heavy metal contamination upon growth and nutrient composition of corn. Dissertation Abstracts International, B 35(9): 4306-4307

In pot trials maize was given 0.05-2.0 meq Cd or Cr or 0.1-0.9 meq Ni or Zn. Application of Cd delayed emergence, stunted plants and decreased plant dry weight; plant Cd content increased with increased rate of applied Cd. Application of Cr significantly increased dry weight and Mn content but no Cr could be detected in tissues. Application of up to 3 meq Ni increased and higher rates decreased growth, while relatively high amounts of Ni were found in plants.


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