Soil Nutrients and Tree Growth Under Black Locust and Shortleaf Pine Overstories in Strip-Mine Plantings
Tree growth and soil nutrient levels were studied in a southern Illinois strip-mined area. Heights of black walnut, yellow-poplar, silver maple, and osage orange underplanted in a black locust plantation were greater than on shortleaf pine plots. Using plant bioassay techniques, soil from the locust plantation was more productive than soil front the pine. Nitrogen added to the pots tended to equalize plant growth on the two soils, Adding phosphorus with nitrogen greatly enhanced growth on both soils.
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Document Type: Journal Article
Affiliations: National Science Foundation Undergraduate Research Participant, Botany Department, Southern Illinois University during the time of the research
Publication date: 1968-01-01
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