Yazar
Keith Daniel Wiebe
5 cilt bulundu.
Keith Daniel Wiebe · Brand: Edward Elgar Pub
461 sayfa · 2003
Land capability for agriculture / Congresses / Agricultural productivity / Food supply / Crops
Keith Daniel Wiebe, Noel R. Gollehon · Nova Science Pub Inc
278 sayfa · 2006
Agricultural resources / Agriculture / Farms / Valuation / Agriculture, environmental aspects
Nicole Ballenger, Keith Daniel Wiebe, Per Pinstrup-Andersen · American Agricultural Economics Association
111 sayfa · 2001
Poor / Nutrition / Government policy / Soil conservation / Agricultural innovations
Keith Daniel Wiebe · United States, Dept. of Agriculture, Economic Research Service
59 sayfa · 2003
Land capability for agriculture / Land degradation / Soil erosion / Food supply / Agricultural productivity
Keith Daniel Wiebe · U. S. Dept. of Agriculture, Economic Research Service
58 sayfa · 1996
Government policy / Conservation easements / Right of property / Land use / Land tenure