Shawnee A



D.G. Vaugan, and D.H. Rickerl, Plant Science Department, South Dakota State University, Brookings, SD 57007 The use of plants and microorganisms to degrade hydrocarbons in contaminated soil could be less hazardous to the environment than the current method of burying the soil in a landfill. We are conducting a study to determine the effectiveness of various plant species and soil amendments for treating hydrocarbon-contaminated soils.

Germination of 34 plant species was compared in a greenhouse study using hydrocarbon-contaminated soil (HCS), hydrocarbon-contaminated soil plus 10% compost (HCS&C) (on a dry weight basis), uncontaminated soil(BS), and uncontaminated soil plus 10% compost(BS&C).

HCS reduced germination of Trifollum hybridum (alsike clover) by up to 20%; however, HCS increased germination of Pisum sativum arvense (field pea), Vicia villosa (hairy vetch), Glycine max (soybean), and Panicum virgatum L. ( switchgrass).

Eight species were selected for ongoing studies to determine the effects of hydrocarbon-contaminated soil on plant growth and soil microbe populations. Data will be presented for plant dry matter production, microbial MPN, and total hydrocarbon degradation.

Key words: hydrocarbon contaminated soil, bioremediation

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Tuesday, May 20, 1997

Metals Kansa A

Remediation of Munitions Compounds Kansa B

Analytical Methods Kansa C/D

General Topics Kansa B

Wednesday, May 21, 1997

Metals Kansa A

Zero-Valent Metals Kansa A

Remediation Kansa A

Vegetation-based Remediation Kansa B

Partnerships & Innovative Technologies Kansa C/D

Nonaqueous Phase Liquids Kansa C/D

Thursday, May 22, 1997

Biofilms & Barriers Kansa A

Bioremediation Kansa B

Partnerships & Technology Innovations Kansa C/D

Remediation Kansa C/D


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