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University of Minnesota Extension

Extension is expanding its online education and resources to adapt to COVID-19 restrictions.

Soil and foliar testing

Foliar nutrient testing

Testing plant leaves for their nutrient content indicates whether the plants have optimal levels of essential nutrients, or if fertilizer is needed.

Understanding the soil test report

A soil test report delivers the results of the analytical measurement of the nutrients in the soil. The laboratory analysis can be confusing. We break down the language to help you understand what the numbers mean.

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