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United States Department of Agriculture

Agricultural Research Service

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Bobby H Washington
Soil Dynamics Research
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 -
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: 5/2/2016
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