alexa Effect of Cement Dust on Photosynthesis of Manihotescul
ISSN: 2347-7830

Research & Reviews: Journal of Ecology and Environmental Sciences
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Research Article

Effect of Cement Dust on Photosynthesis of Manihotesculenta (Cassava) grown around La Farge Cement, Ewekoro, Nigeria.

Chukwu, MN1* and Edwards AWA2

  1. School of Science and Technology, National Open University of Nigeria, 14 /16 Ahmadu Bello way, Victoria Island, Lagos
  2. Department of Cell Biology and Genetics, Faculty of Science, University of Lagos, Lagos
*Corresponding Author:
Chukwu
MN, School of Science and Technology, National Open University of Nigeria, 14 /16 Ahmadu Bello way, Victoria Island, Lagos

Received date: 11/01/2014 Accepted date: 26/02/2014

 

 

Abstract

The effect of cement dust on photosynthesis of Cassava grown around Lafarge cement in, Ewekoro was investigated. Quantity of dust deposit, chlorophyll contents, and number of stomata on the plants’ leaves, rates of photosynthesis and the direction of wind were measured every three weeks. Farmers in the area were also interviewed. Accumulation of cement dust on leaves of plants lowered their photosynthetic rates. Chlorophyll synthesis was impaired as a result of high concentration of dust on the surface of the leaves. The number of stomata per area of leaf surface was also reduced by cement dust accumulation. Weather conditions and location of plants influenced the distribution of the dust. Plants experienced more damages, reduction in chlorophyll content and photosynthetic rate during the dry than wet season. Plants at the Northern direction of the factory accumulated more dust than those at the Southern direction. The Farmers complained of increased reduction in crop yield the closer their farm to the factory. Pollution control devices; Mechanical collectors, Electrostatic precipitators, Fabric filters and Particulate wet scrubbers should be used to control the pollution while farmers should be advised to relocate their farmlands to at least 5km away from the factory. INTRODUCTION The impact of hazardous waste on the environment is thought to be wide spread and in some areas severe.

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