Various soil strength parameters were measured in the laboratory using a bevameter and a recording soil cone penetrometer. Measurements were made at various levels of soil bulk density and water content. Results were discussed in terms of similar published analyses. Two dissimilar methods of predicting vehicular tractive performance were compared and evaluated in terms of potential utility with respect to prediction of soil trafficability.

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Published in Transactions of the ASAE, v. 21, issue 5, p. 854-861.

© 1978 American Society of Agricultural Engineers

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The research reported in this paper (No. 77-2-170) is in connection with a project of the Kentucky Agricultural Experiment Station and is published with the approval of the Director.