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This site is dedicated to helping CCAs find the self-study CEUs they need – not just to maintain their certification but to improve their understanding of agronomic principles.

We feature online self-study CEUs in all the CCA performance objectives. We feature content from various sources including universities, industry and private consultants. Click on the tabs to the right to view content for each area.

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The Micronutrients (pdf)
Soil Fertility Manual Chapter 7
Mike Stewart
Eight of the essential plant nutrients are called micronutrients. While micronutrients are not miracle workers, deficiencies can cause serious consequences in crops if not prevented or corrected. Soil pH and relative amounts of micronutrients in soils are important factors in the availability of micronutrients. Included in this chapter are sections describing the functions, sources, deficiency symptoms, possible toxicities, and management considerations for the micronutrients: boron (B), chloride (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn).
 

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