Yazar
Elizabeth G Nielsen
3 cilt bulundu.
Cilt sonuçları
The magnitude and costs of groundwater contamination from agricultural chemicals
Elizabeth G Nielsen · U.S. Dept. of Agriculture, Economic Research Service, Natural Resource Economics Division
54 sayfa · 1987
Agricultural chemicals / Economic aspects / Environmental aspects / Environmental aspects of Agricultural chemicals / Groundwater
Investments in soil conservation and land improvements
Elizabeth G. Nielsen · Purchase from ERS-NASS Reports
36 sayfa · 1989
Clearing of land / Decision making / Drainage / Economic aspects of Clearing of land / Economic aspects of Drainage
Farm operating and financial characteristics, 1986
Elizabeth G. Nielsen · U.S. Dept. of Agriculture, Economic Research Service
149 sayfa · 1989
Economic aspects of Farms / Farm income / Farm management / Farms / Statistics