Improving poultry through the National Poultry Improvement Plan /

Originally issued July 1938.

Federal poultry research at the agricultural research center, Beltsville, Md. /

"October 1939."

Joint municipal and industrial wastewater treatment in rural communities : simulation analysis with poultry processing plants /

Issued Mar. 1980.

Wartime farming on the northern Great Plains.

"Issued June 1942."

Directory of U.S. Register of Merit sires and dams qualifying under the National Poultry Improvement Plan, 1941-42 trap-nest record year /

"November 1943."

Directory of U.S. Register of Merit sires and dams qualifying under the National Poultry Improvement Plan, 1942-43 /

"December 1944."

Facts about cotton and southern farming : background information for farm leaders.

"State agricultural extension services cooperating."

Peacetime adjustments in farming : possibilities under prosperity conditions /

"December 1945."

Poultry disease investigations at the U.S. Regional Poultry Research Laboratory.

"Issued July 1946."

Directory of U.S. Register of Merit sires and dams qualifying under the National Poultry Improvement Plan, 1945-1946 /

Cover title.

Changes in American farming /

Revision of a summary report issued in processed form in June 1946 under title: Changes in farming in war and peace.

American farming : an introduction for young people.

"Issued November 1956."

The National poultry and turkey improvement plans and auxiliary provisions.

Mode of access: Internet.

Windbreaks in conservation farming /

Cover title.

Vertical coordination via contract farming

Bibliographical footnotes.