Understanding Plant Nutrients: Soil and Applied Copper

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SKU A2527

Author(s) Emmett Schulte, Keith Kelling

Copper deficiencies are rare in Wisconsin. Most verified cases have involved small grains, lettuce, or onion grown in acid organic soils. In contrast, copper toxicity in some sandy soils has resulted from repeated use of copper-containing fungicides over many years. Find out more about copper and how it might affect your soil in this fact sheet (2 pages).

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