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Root uptake can be facilitated by mycorrhizae fungi. 2. TranslocationAfter uptake, nutrients are free to move throughout the plant through the xylem tissue and can go to the point of most demand. 3. RemobilizationAs tissues age, some elements are removed from the older tissue and transported to new tissue. Deciduous trees remove many nutrients from their leaves before senescence. Only some nutrients are capable of being remobilized. MobileNon-mobileNitrogen Calcium Sulfur Iron Magnesium Zinc Potassium Manganese Phosphorus Boron Symptoms of nutrient deficiency will appear first in older leavesif the deficient nutrient is mobileand in the younger leavesif the deficient nutrient is non-mobile.
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