Seeds for our future : the U.S. National Plant Germplasm System.

Cover title.

Virulence, aggressiveness, evolution, and distribution of races of Puccinia striiformis (the cause of stripe rust of wheat) in North America, 1968-87.

"Issued February 1992"--P. [2] of cover.

Oat history, identification and classification /

Includes index.

Integrating control of the Japanese beetle : a historical review /

Item 16

Restoring moisture to cotton at midsouth gins /

Information incorrect in publication as to sale by the Supt. of Docs.

The citrus nematode and its control in the Southwest /

Issued Nov. 1974.

Regional adjustments in grain production : a linear programming analysis : mathematical models, proofs, methods of data collection and estimation, and supplementary tables /

Cover title.

Loss of energy at sharp-edged pipe junctions in water conveyance systems,

Project conducted in cooperation with Minnesota Agricultural Experiment Station and St. Anthony Falls Hydraulic Laboratory of the University of Minnesota.

Workers in subjects pertaining to agriculture in land-grant colleges and experiment stations.

Mode of access: Internet.

The noctuid type material of John B. Smith (Lepidoptera) /

"Issued March 1982"--Verso of t.p.

Nitrogen fixation in alfalfa : responses to bidirectional selection for associated characteristics /

"Issued December 1981"--2d prelim. page.

Reduction in the plant uptake of Sr-90 by soil management treatments

Bibliography: p. 29-30.

The nature, ecology, and control of Canada thistle

Bibliography: p. 31-32.

Response of ironweed and buckbrush to herbicides and to herbicides in combination with mowing, nitrogen fertilizer, and surfactants

Cooperating agency: Missouri Agricultural Experiment Station.

Studies on the chemical and biological properties of coumestrol and related compounds

Bibliography: p. 83-95.