6 research outputs found
Highest return farming systems for Tama and Muscatine soils: an application of linear programming to 240- and 480- acre farms operated by two me
Cover title.Includes bibliographical references
Highest return farming systems for Drummer-Flanagan soils : an application of linear programming to farm planning /
Cover title.Includes bibliographical references.Mode of access: Internet
Variability of yields and income from major Illinois crops 1927-1953 /
Cover title.Mode of access: Internet
Economic effects of controls on nitrogen fertilizer /
Bibliography: p. 35-37