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Soil is the base resource of all food on the planet. It is a limited resource that requires extra care and management to ensure a healthy agricultural sector. Learn about how Agriculture and Agri-Food Canada scientists have been working with producers for the past century to manage and preserve our soils. This video is the fourth in a series of five videos on the subject of soil which were produced to celebrate the International Year of Soils. For an accessible version, please visit: http://www.agr.gc.ca/eng/science-and-innovation/science-publications-and-resources/soil-fingerprinting-new-tool-for-soil-analysis/?id=1449148121844