The health of our soils : toward sustainable agriculture in Canada Toward sustainable agriculture in Canada Gregorich, L. J. contributor Acton, D. F. (Donald F.) contributor Canada. Agriculture and Agri-Food Canada. contributor Center for Land and Biological Resources Research (Canada) contributor text book [Ottawa] Agriculture and Agri-Food Canada 1995 1995
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ENG Issued also in French under title: La santé de nos sols. Issued by: Centre for Land and Biological Resources Research. Canada Quality Soil degradation Soils SB191.R5 Y73 1995 631.4/971 Santé de nos sols, [Ottawa] : Agriculture et agroalimentaire Canada, 1995 Publication (Canada. Agriculture and Agri-Food Canada), 1906/E Publication (Canada. Agriculture and Agri-Food Canada), 1906/E https://www.biodiversitylibrary.org/bibliography/58906 0660159473 96145066 10.5962/bhl.title.58906 CaOOAG