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Research Journal of Environmental Sciences
  Year: 2011 | Volume: 5 | Issue: 2 | Page No.: 187-193
DOI: 10.3923/rjes.2011.187.193
Effect of Oil Refinery Sludge on Plant Growth and Soil Properties
Mohammed Refdan Alhajhoj Al-Qahtani

Abstract:
A pot experiment was carried out to determine the effect of Oil Refinery Sludge (ORS) on Vinca rosea (Catharanthus roseus) and soil chemical composition. Mean dry matter yield of Vinca rosea ranged between 1.80-3.65 g (Uthmaniyah Oil Refinery, UOR) and 1.47-3.65 g (Ab-Qaique Oil Refinery, AOR) in different sludge treatments. The dry matter yield decreased significantly with increasing application of oil refinery sludge. The decrease in yield was significant in UOR and AOR sludge than the control treatment. Soil salinity (ECe) and sodicity (SAR) showed slight increases with the application of oil refinery sludge. Mineral elements of plants such as N and P decreased significantly with the application of ORS than the control treatment. The Oil Refinery Sludges (ORS) were rich in total plant nutrients and organic matter but low in the available form of plant nutrients. The application of ORS, being rich in organic matter, can improve the productivity of sandy soils provided supplemented with inorganic (NPK) fertilizers. However, further studies are needed to investigate the use of ORS as a potential source of organic matter and to minimize the associated environmental hazards with its land disposal.
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How to cite this article:

Mohammed Refdan Alhajhoj Al-Qahtani , 2011. Effect of Oil Refinery Sludge on Plant Growth and Soil Properties. Research Journal of Environmental Sciences, 5: 187-193.

DOI: 10.3923/rjes.2011.187.193

URL: https://scialert.net/abstract/?doi=rjes.2011.187.193

 
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