Conservation tillage
Subtitle: problems and potentials.
Series: Special publication - Soil Conservation Society of America ; no. 20; Special publication (Soil Conservation Society of America) -- no. 20.
Publisher: Soil Conservation Society of America
Published: 1977
Place of publication: Ankeny, Iowa
Language: eng
Number of pages: 75
Subjects: Tillage.; Soil conservation.
Notes: Includes bibliographies.