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bitter pit

Posted by Brian Caldwell 
bitter pit
February 11, 2020 11:13AM
I'm surprised not to find a thread about bitter pit. Are we the only ones who have it?
A long lapse in soil testing allowed our soil pH to drop to 5.6 before we realized what was happening. We started getting serious BP in Idared and Jonagold. It is a long haul to dig out of the hole we put ourselves in!
We seem to be making some progress. We applied high calcium lime (twice @ 2 T/A) and gypsum (800 lb/A) over the years and will add more. We also add Biomin Calcium or ORCA calcium to our sprays after fruit set.
Finally, in one of two our orchard sites we had virtually no BP last year; it is still bad at the other orchard.
Do others have more on this topic?

Hemlock Grove Farm
Zone 5 in New York
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