Yazar
Dana L Hoag
9 cilt bulundu.
Dana L. Hoag · ABC-Clio Inc
274 sayfa · 2000
Agriculture and state / Agriculture / Agricultural ecology / Food supply / Agriculture, united states
Dana L. Hoag · ABC-CLIO, LLC
270 sayfa · 1999
Agriculture and state / Agriculture / Food supply / Agriculture and state, united states / Agriculture, economic aspects, united states
Dana L. Hoag · CRC Press
Sayfa sayısı yok · 2010
Risk management / Agriculture / Economic aspects of Agriculture / Agriculture, economic aspects, united states / Aspect économique
Dana L. Hoag · Colorado State University Cooperative Extension
26 sayfa · 1995
Agriculture / Economic aspects of Agriculture
Dana L. Hoag · Agricultural Experiment Station ; Department of Argicultural and Resource Economics
24 sayfa · 2000
Cost effectiveness / Agriculture / Research
Dana L. Hoag · U.S. Environmental Protection Agency, Office of Research and Development, National Center for Environmental Assessment
Sayfa sayısı yok · 1998
Soil conservation / Conservation of natural resources
D. Eric Hyatt, Dana L. Hoag, Jennie S. Hughes Popp · U.S. Environmental Protection Agency
67 sayfa · 1998
Ecological risk / Environmental policy / Soil erosion / Sustainability / Sustainable agriculture