Fall breaking and the preparation of the seed bed
By: [Bradford Knapp]
Contributors: United States. Bureau of Plant Industry. Farmers' Cooperative Demonstration Work
Published: 1913
Language: eng
Subjects: Tillage; Plowing
Notes: Caption title

"Bradford Knapp, Special Agent in Charge."--page 8

"Approved: Wm. A. Taylor, Chief of Bureau; April 18, 1913"--Page 8

"Issued September 16, 1913."--page 1