Suchergebnisse - Timmons, John F.

Land use inventory and projection model with applications to Iowa and its subregions

von Gibson, James A., Timmons, John F.

Improving agricultural tenancy: an FAO land tenure study

von Timmons, John F.

Methodology of programming small watershed development

von Pavelis, George A., Johnson, Howard P., Shrader, William D., Timmons, John F.

Ownership of Iowa's farmland

von Strohbehn, Roger W., Timmons, John F. 1912-

Planning farm property transfers within families in Iowa

von O'Byrne, John C., Timmons, John F.

Adjusting farm rents to changes in prices, costs and production

von Chryst, Walter E., Timmons, John F.

Planning farm property transfers within families in Iowa

von O'Byrne, John C., Timmons, John F., Hines, N. William

Appraising your soil conservation district with the of procedures developed in the Jasper district

von Timmons, John F.

Soil erosion and some means for its control

von Held, R. Burnell, Blase, Melvin G., Timmons, John F.

Soil erosion control in process in Western Iowa: progress and problems

von Blase, Melvin G., Timmons, John F. 1912-

Identification and measurement of inefficiencies in leasing systems: (an application of linear programming)

von DeBenedictis, Michele, Timmons, John F. 1912-

Iowa's water resources: papers presented at the seminar on Iowa's Water Resources - Sources, uses, and laws

Weitere beteiligte Personen: “… Timmons, John F. …”

Land problems and policies

Weitere beteiligte Personen: “… Timmons, John F. 1912- …”