Yazar
ralph heimlich
14 cilt bulundu.
Ralph E. Heimlich · USDA, Economics, Statistics, and Cooperatives Service, Natural Resource Economics Division, Northeast Resource Program Group
56 sayfa · 1978
Land use / Soil mapping / Mappings (Mathematics) / Soil erosion
Ralph E Heimlich · U.S. Dept. of Agriculture, Economic Research Service
20 sayfa · 1986
Data processing / Income tax / Land use / Conservation of natural resources
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
45 sayfa · 1995
Coastal zone management / Nonpoint source pollution / Agricultural pollution
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
21 sayfa · 1989
Soil erosion / Soil productivity / Land capability for agriculture
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
20 sayfa · 1989
Economic aspects / Economic aspects of Metropolitan areas / Farms / Location / Metropolitan areas
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
94 sayfa · 1998
Wetlands / Government policy / Wetland conservation
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service, Resources and Technology Division
40 sayfa · 1991
Wetland conservation / Government policy / Congresses / Agricultural economists / Agriculture
Ralph E Heimlich · U.S. Dept. of Agriculture, Economic Research Service, Natural Resource Economics Division
17 sayfa · 1985
Soil conservation
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
28 sayfa · 1985
Reclamation of land / Land use
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
80 sayfa · 2001
Farms / Government policy / Land use, Rural / Planning / Rural Land use
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
34 sayfa · 1986
Wetlands / Wetland conservation
Ralph E. Heimlich · Organisation for Economic Co-operation and Development
40 sayfa · 1999
Tax incentives / Government policy / Environmental protection / Reclamation of land / Wetland conservation
Ralph E. Heimlich · U.S. Supt. of Docs., U.S. G.P.O. [distributor]
34 sayfa · 1986
Wetlands / Wetland conservation
Ralph E. Heimlich · U.S. Dept. of Agriculture, Economic Research Service
45 sayfa · 1991
Land use, Rural / Real estate development / Rural Land use / Urban-rural migration