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amideutch · February 25, 2019

SQWIBB,

Here is what the folks at Michigan State University had to say about BER when growing tomatoes in a Greenhouse culture which you are basically doing.

This disorder results from withdrawal of water from the fruit by the leaves. It may occur under
any condition resulting in moisture stress; low calcium levels in the root medium are a contributing cause. Maintain adequate calcium in the root medium and avoid excess nitrogen, potassium
and other soluble salts. A foliage spray application of one percent calcium chloride will often give immediately beneficial results. The key word here is STRESS which is a bad thing for tomato growth.

Ami

February 25, 2019	#63
amideutch Tomatovillian™ Join Date: Feb 2006 Location: Germany 49°26"N 07°36"E Posts: 5,041	SQWIBB, Here is what the folks at Michigan State University had to say about BER when growing tomatoes in a Greenhouse culture which you are basically doing. This disorder results from withdrawal of water from the fruit by the leaves. It may occur under any condition resulting in moisture stress; low calcium levels in the root medium are a contributing cause. Maintain adequate calcium in the root medium and avoid excess nitrogen, potassium and other soluble salts. A foliage spray application of one percent calcium chloride will often give immediately beneficial results. The key word here is STRESS which is a bad thing for tomato growth. Ami __________________ Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘...Holy Crap .....What a ride!' Last edited by amideutch; February 26, 2019 at 04:02 AM.