Publisher: Bachudo Science Co. Ltd

Macronutrient Status and Speciation of Cu, Fe, Zn and Pb In Soil Containing Palm Oil Mill Effluent

P. O. Oviasogie, A. E. Aghimien
KEYWORDS: macronutreint, speciation, Cation Exchange Capacity, soil fertility. sustainability

ABSTRACT:

The use and safe disposal of Palm Oil Mtli Effluent (POME)  will no doubt contribute to environmental sustainability. Hence, the macronutreint and forms (speciation) of Copper. Iron. Zinc and Lead status of soil conta.ining POME were determined in this study. The concenlrations were determined at 0-15cm and 15s 30cm soil depths respectively and at 10m interval from ·the point of discharge of the. POME. Soils at 1 OOm away from the discharge point were regarded as normal or uncontaminated soils, while different extractants were used to determine the levels of Fe, Cu, Zn and Pb. The results showed enrichment of the soils in P, N, Ca, Mg, Na. K due to the application of the POME. Copper, Iron and Pb were predominant in the or;Janic form. while Zinc was particularly present in the exchangeable form. There was an .overall increase in the cation exchange capacity (CEC) of the soils especially at the area dose to the source of the POME. Proper use and safe disposal of POME in the land environment will lead to improved soil fertility    


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