Publications list on tillage and traction
Contributors: National Tillage Machinery Laboratory (U.S.)
Series: ARS -- 42-40; ARS 42 -- 40.
Publisher: USDA, Agricultural Engineering Research Division; National Tillage Machinery Research Laboratory
Published: 1960
Place of publication: Beltsville, Md; Auburn, Ala
Language: eng
Number of pages: 14
Subjects: Tillage; Bibliography; Research; Agricultural machinery; Traction
Notes: Cover title.

"March 1960."

"This list of publications represents the results of research at the National Tillage Machinery Laboratory at Auburn, Alabama."--P. 2.