Strawberries and Caneberries

Primary Image
Note the contrast of these newer leaves to the midtier leaves around them. Not an plant mobile nutrient, like NPK, so what could be the issue?

Farm Call: Yellow Leaves in Substrate Raspberries

November 3, 2018
By Mark P Bolda
Part of my work has come to include substrate production of caneberries. Some of these are easy since they are pest management issues which don't vary that much from field problems, but others, like the nutritional situation depicted below, are far more complex.
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