1-800-265-7175: Soil, Greenhouse, Forage, Feed, Water.     1-800-952-5407: Seed.     1-905-364-3771: All other inquiries).

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Guelph Laboratory
Phone: 1.519.837.1600

Sherwood Park Laboratory
Phone: 1.800.952.5407

Grande Prairie Laboratory
Phone: 1.877.532.8889