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MemberAugust 10, 2022 at 4:38 pm05223
I have had the same concern: while pulling leaves for SAP analysis, there is considerable residue on the leaf from the previous foliar application (usually 2-3 weeks prior). How much does that interfere? Should I wipe the leaves as I sample to remove residues? (I’m in citrus) residues remain even with high rainfall this year.