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Influence of Management Systems and Cover Crops on Soil Physical Conditions¹

Synopsis: High organic matter return resulted in an increase of soil aggregation of 30% or more. It also resulted in a decrease of bulk density from 1.3 to 1.1. High organic matter systems retained more soil moisture and soil physical condition tended to fluctuate less throughout the season.

² Graduate student (Rockefeller Foundation Scholar) and Associate Professor of Soil Conservation. The authors express their appreciation to Geo. R. Free, Project Supervisor in the Agricultural Research Service and Associate Professor of Soil Technology for his personal interest and assistance in conducting this work.

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