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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Nov 2012, 33 (6)                                     Back


nstantaneous and historical temperature effects on a-pinene

Impact of mine waste dumps on growth and biomass 
of economically important crops

 

Author Details

 

Narayanan Mathiyazhagan

Department of Biotechnology, Periyar University, Salem- 636 011, India

Devarajan Natarajan

(Corresponding author)

Department of Biotechnology, Periyar University, Salem-636 011, India

e-mail: mdnataraj@rediffmail.com

 

 

Publication Data

Paper received:

29 June 2011

 

Revised received:

29 October 2011

 

Accepted:

02 November 2011

 

Abstract

The present study aimed to investigate the effect of magnesite and bauxite waste dumps on growth and biochemical parameters of some edible and economically important plants such as Vigna radiata, V. mungo, V. unguiculata, Eleusine coracana, Cajanus cajan, Pennisetum glaucum, Macrotyloma uniflorum, Oryza sativa, Sorghum bicolour, Sesamum indicum, Ricinus communis, Brassica juncea, Gossypium hirsutum and Jatropha curcas. The growth rate of all the crops was observed in the range of 75 to 100% in magnesite and 15 to 100% in bauxite mine soil. The moisture content of roots and shoots of all the crops were in the range of 24 to 77, 20 to 88 % and 42 to 87, 59 to 88% respectively. The height of the crops was in the range of 2.6 to 48 cm in magnesite soil and 3 to 33 cm in bauxite soil. Thus the study shows that both mine soils reflects some physical and biomolecule impact on selected crops.

 

Key words

Mine waste, Heavy metals, Edible crops

 

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