Awareness of nutrient mobility in plants drastically improves in-field diagnosis of crop issues. In this episode, we dive deep into plant nutrient mobility and how nutrient mobility impacts visual symptoms in the field.

• Discussion on the concept of nutrient mobility 
• Insights into mobile vs. immobile nutrient deficiencies 
• Importance of tissue testing for accurate diagnoses 

Relatively immobile nutrients (symptoms will appear on newest leaf tissue): S, Zn, Fe, Cu, B, Ca, Mn, Mo, Ni

Relatively mobile nutrients (symptoms will appear on oldest leaf tissue): N, P, K, Mg

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Cover art diagram courtesy of the 4R Plant Nutrition Manual, IPNI 2012 (https://www.canr.msu.edu/news/identifying_nutrient_deficiency_symptoms_in_field_crops)

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