EFFECTS OF SOIL TREATMENTS CONTAINING POULTRY MANURE ON CRUDE OIL DEGRADATION IN A SANDY LOAM SOIL

Autor:	J. C. Okolo, C. T. I. Odu, E. N. Amadi
Rok vydání:	2005
Předmět:	Pollution Starch Phosphorus media_common.quotation_subject chemistry.chemical_element Soil carbon Soil conditioner chemistry.chemical_compound chemistry Agronomy Loam Agronomy and Crop Science Corexit Carbon Ecology Evolution Behavior and Systematics media_common
Zdroj:	Applied Ecology and Environmental Research. 3:47-53
ISSN:	1785-0037 1589-1623
DOI:	10.15666/aeer/0301_047053
Popis:	The impacts of crude oil pollution on a sandy loam soil and the influence of incorporation of poultry manure alone and in combination with alternate carbon substrates (glucose or starch) and surfactants (Goldcrew or Corexit) were investigated. Oil pollution increased soil organic carbon and reduced soil nitrates and phosphorus, thus imposing a condition that impaired oil degradation in the soil. Treatment of the soil with poultry manure alone, enhanced oil degradation but the extent of this was influenced by the incorporation of alternate carbon substrates or surfactants. Addition of glucose or Corexit encouraged crude oil degradation, while addition of starch or Goldcrew reduced the extent of degradation obtained. The soil amendments interacted in affecting crude oil degradation. This was optimal with a combination of poultry manure (2.0%w/w) + glucose (2.0%w/w) which yielded a crude oil degradation of 7.42±1.02% after sixteen weeks incubation. Keywords. alternate carbon substrates, crude oil degradation, poultry manure, surfactants
Databáze:	OpenAIRE
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