TAILIEUCHUNG - Relationships of temperature and humidity to the biodegradation of petroleum hydrocarbons in soils

This work focused on monitoring CO2 production, microbial growth and residual hydrocarbon concentration during bioremediation experiments performed on laboratory soil microcosms. A natural soil was artificially contaminated with hexadecane and adjusted with inorganic nutrients to stimulate biodegradation. Microbial growth, CO2 production and residual hexadecane were periodically monitored at different soil water contents ranging from to g water g -1 of dry soil and at different temperatures ranging from 20 to 25 oC. The results showed that the humidity had a greater effect on microbial activity and contaminant degradation than the temperature. The study established the experimental regression equation of temperature and humidity to the hexadecane mineralization rate, an important parameter in assessing the ability to convert organic carbon into inorganic carbon. The difference between the results of the hexadecane mineralization rate obtained from the experiment and calculated from the regression equation is not too high, from 2 % to 20 %. | Relationships of temperature and humidity to the biodegradation of petroleum hydrocarbons in soils

• Sinh học
• Microbial activity
• Petroleum hydrocarbons
• Experimental regression equation
• Petroleum hydrocarbons in soils
• Relationships of temperature
• Crpping system
• Soil enzyme activity
• Different cropping system
• Important soil enzyme activity
• Organic carbon
• Microbial activity with different depth
• Microbial biomass carbon
• Enzymatic activity
• Typic haplustepts
• INM on soil microbial biomass carbon
• Enzyme activity under soybean
• Symbiotic traits
• Flood and furrow irrigation
• Microbial activity in chickpea crop
• Chickpea crop
• Soil microbial activity
• Rice planting
• Sri method of rice planting
• Different manurial practices
• Humic acid
• Soil microbial population
• Humic acid on soil microbial population
• Phosphatase activity
• Dehydrogenase activity
• Acidic soils of north east India
• PSB strains on soil microbial
• Impact of phosphorus levels
• Long term fertilization
• Urease activity
• Microbial biomass nitrogen
• Microbial respiration
• Rice grain yield
• Ricewheat cropping system
• Fly ash
• Rice wheat cropping system
• Fertilizers on soil microbial activity
• Microbial activity as influenced
• Sunflower residue incorporation
• Method of establishment
• Nutrient management of rice
• Ricegreengram sunflower cropping system
• Soil enzymatic activity
• Finger millet
• Methods of establishment
• Nutrient sources
• Soil microbial biomass carbon
• Wetland rice ecosystem
• Microbial biomass carbon
• Higher dehydrogenase activity
• P solubilizing bacteria
• Microbial biomass P
• Phosphatase activity in groundnut
• Groundnut (Arachis hypogaea L) rhizosphere
• Microbial inoculants
• Acid phosphatase
• Alkaline phosphatase
• The soil
• Microbial parameters in the soil
• Fluorescein diacetate
• Microbial indicator
• Indicator of soil quality
• Soil quality
• Total microbial activity
• Irrigated agriculture
• Soil depth
• Nitrogenase activity
• Microbial population
• Nitrogen fixing bacteria
• Soil organic carbon
• Carbon sequestration
• Soil microbial carbon and nitrogen
• Soybean intercropping system
• Organic sources
• Micro bial population
• Organic chilli
• Capsicum annum L
• Decomposers on enzymatic activity
• Microbial dynamics
• Slow release nitrogenous fertilizers
• Bacterial population
• Laboratory condition
• P1 – Low density poly ethylene
• P2 – High density poly ethylene
• P3 – Poly propylene
• P4 – Aluminum foil
• Anti microbial activity
• Food borne pathogens
• Dry DSR
• Enzyme activity
• Grain yield
• Dry direct seeded rice
• BMC Chemistry
• Thiophene derivatives
• Anti microbial
• Anticancer activity
• Substituted benzylideneamino
• Activity rates
• Biological indicators
• Microbial diversity
• Evaluating soil quality
• Red rice
• Low glycaemic
• Pigmented rice
• Diabetic friendly
• Microbial activity during storage
• Red rice based low glycaemic flour
• In vitro
• S aureus antibacterial activity
• Phage lysate
• Antibiotic resistance
• Microbial pathogen isolated
• Conventional management
• Microbial biomass
• Organic management
• Vineyard soils