Posted 5/14/2022 10:05 (#9660032 - in reply to #9659998) Subject: RE: Manganese on beans
NW IL
Before 9am the phloem and xylem don't move as much. Once the sun is fully out, by about 9am, photosynthesis will start and nutrients will be different.
That's why they recommend sap and tissue samples be pulled before 9am or (less ideally) at consistent times.
Manganese on beans
