Biodiversity Heritage Library
Subject "Soil degradation"
The health of our soils : toward sustainable agriculture in Canada /
By: Acton, D. F. - Gregorich, L. J. - Canada. - Center for Land and Biological Resources Research (Canada)
Publication info: [Ottawa] :Agriculture and Agri-Food Canada,1995.
Contributed by: Agriculture and Agri-Food Canada (archive.org)
Subjects: Canada Quality Soil degradation Soils
Soil-depleting, soil-conserving, and soil-building crops /
By: Pieters, A. J.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture,
Contributed by: U.S. Department of Agriculture, National Agricultural Library
Subjects: AgSpace conservation plants Crops and soils Grasses Internet resource Soil conservation Soil degradation Soil management soil organic matter soil quality soil resource management