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Increasing Endomycorrhizal Fungus Inoculum in Forest Nursery Soil with Cover Crops

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Corn, millet, sudex, and sorghum were all effective cover crops for increasing inoculum density of vesicular-arbuscular fungi (Glomus spp.) in nursery soils. Spore production was increased approximately 7 to 12 times, depending on the cover crop used. Sweetgum seedlings did not differ significantly in size on plots previously planted with any of the four cover crops. Eighty-nine percent of the sweetgum seedlings grown after cover cropping had root-collar diameters exceeding the minimum (0.25 inch) recommended for outplanting of this species.

Document Type: Journal Article

Affiliations: Associate Professor, Department of Forestry, Iowa State University of Science and Technology, Ames, Iowa; formerly, Associate Professor, School of Forest Resources, University of Georgia, Athens

Publication date: August 1, 1980

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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