Highest return farming systems for Tama and Muscatine soils: an application of linear programming to 240- and 480- acre farms operated by two men/

Cover title.

Highest return farming systems for Drummer-Flanagan soils : an application of linear programming to farm planning /

Cover title.

Regional analysis of production adjustments in the major field crops : historical and prospective : an application of spatial linear programming /

Literature cited and selected references: p. 38-41.

Predicting regional crop production : an application of recursive programming /

Literature cited and selected references: p. 70-73.