Soil bin for studying planting equipment and systems.
Contributors: United States. Science and Education Administration. Agricultural Research. Western Region.
Series: Advances in agricultural technology -- 4.
Publisher: Agricultural Research (Western Region), Science and Education Administration, U. S. Dept. of Agriculture
Published: 1979
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 14
Subjects: Planters (Agricultural machinery) -- Testing.; Agricultural machinery -- Testing.
Notes: "February 1979."

Bibliography: p. 4-5.