Stem sawflies of economic importance in grain crops in the United States,

"Literature cited": p. 37-50.

Regional location of production of major field crops at alternative demand and price levels, 1975; a linear programing analysis,

Issued in cooperation with Iowa State University of Science and Technology, Agriculture and Home Economics Experiment Station, and the Center for Agricultural and Economic Development.

Horticultural exhibitions /

"September, 1930."

The influence of weather on crops, 1900-1930 : a selected and annotated bibliography /

Includes index.

A graphic summary of farm crops : (based largely on the census of 1930 and 1935) /

"Issued March 1938."

The mineral composition of crops with particular reference to the soils in which they were grown : a review and compilation /

"The work represented by this publication was supported by the Bankhead-Jones research fund. It was initiated in the Bureau of chemistry and soils (now the Bureau of agricultural chemistry and engineering) and was later transferred to the Bureau of plant industry."--P. 1.

Response of several crops to six herbicides in irrigation water /

Cover title.

A Graphic summary of farm crops : (based largely on the census of 1940) /

Includes index.

Our farm crops. Being a popular scientific description of the cultivation, chemistry, diseases, remedies, &c., of the various crops cultivated in Great Britain and Ireland.

Mode of access: Internet.

Crops : their characteristics and cultivation : a practical handbook /

Includes index.

Annual report of South Dakota State Horticultural Society.

15th-16th reports, 1917/18-1918/19, issued in 1 vol.

Competition between soybeans and other crops in major U.S. regions /

Mode of access: Internet.

Hearing to review food aid and agriculture trade programs operated by the U.S. Department of Agriculture and the U.S. Agency for International Development : hearing before the Subcommittee on Specialty Crops, Rural Development, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, One Hundred Tenth Congress, first session, May 10, 2007.

"Serial no. 110-21."

Hearing to review U.S. Department of Agriculture Rural Development programs and the agency's rural development proposals for the 2007 farm bill : hearing before the Subcommittee on Specialty Crops, Rural Development, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, One Hundred Tenth Congress, first session, March 21, 2007.

"Serial no. 110-6."

Seed crops of forest trees in the pine region of California /

Caption title.