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(aka “micro-nutrient deficiency”)
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“lack of 1 (or more) of the micro-nutrients required for plant/animal health)
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(in humans and other animals they include both ‘vitamin deficiencies’ and ‘mineral deficiencies’, whereas in plants the term refers to deficiencies of ‘essential trace minerals’)
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*SKETCHES*
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☜*“XXX”* ☞ 
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