Mulch tillage in modern farming
By: [by William A. Hayes]
Contributors: United States. Department of Agriculture
Series: Leaflet / U.S. Dept. of Agriculture -- no. 554; Leaflet (United States. Dept. of Agriculture) -- no. 554.
Publisher: U.S. Dept. of Agriculture
Published: 1971
Place of publication: Washington, D.C
Language: eng
Subjects: Stubble mulching
Notes: Cover title.

"Issued February 1971"--P. [8].