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OrganizationsCanadian Soil Information System (CANSIS) European Soil Portal (Institute of Environment and Sustainability of the European Commission)
Frequently Asked Questions Regarding Soil Testing, Plant Analysis, and
Fertilizers
International Institute for Aerospace Survey and Earth Sciences
International Soil Reference and
Information Center - ISRIC Intute: Science, Engineering and Technology The Pedosphere and its
Dynamics: A Systems Approach to Soil Science The World Wide Soil Jumpstation |
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