roger w hexem

Roger W. Hexem · Natural Resource Economics Div., Economic Research Service, U.S.D.A.

25 sayfa · 1976

Pasture plants / Land use / Resource allocation

Roger W. Hexem · U.S. Dept. of Agriculture, Economic Research Service, Natural Resource Economics Division

30 sayfa · 1984

Rural Land use / Soil conservation

Roger W. Hexem · Iowa State University Press

215 sayfa · 1978

Economic aspects of Irrigation farming / Irrigation farming / Mathematical models / Production functions (Economic theory) / Irrigation

Roger W. Hexem · U.S. Dept. of Agriculture, Economic Research Service

24 sayfa · 1987

Farms / Rangelands / Rural Land use / Statistics

Roger W. Hexem · Copies ordered from Supt. of Docs., U.S. G.P.O.

14 sayfa · 1986

Double cropping

Roger W. Hexem · Center for Agricultural and Rural Development, Iowa State University

207 sayfa · 1974

Crop yields / Crop zones / Irrigation / Irrigation water / Plants