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United States Department of Agriculture

Agricultural Research Service

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Bobby H Washington
National Soil Dynamics Laboratory
Agricultural Engineer

Phone: (334) 887-8596 ext. 2716
Fax: (334) 887-8597
411 S. DONAHUE DR
AUBURN, AL, 36832


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
A Tractor-Mounted Multiple-Probe Soil Cone Penetrometer - (Peer Reviewed Journal)
Raper, R.L., Washington, B.H., Jarrell, J.D. 1999. A tractor-mounted multiple-probe soil cone penetrometer. Applied Engineering In Agriculture. 15(4):287-290.
Last Modified: 11/25/2014
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