
temporary rise in pH but the number will quickly sink back to the original. I'm not sure why but according to the Cooperative Extension Horticulturalist in Palmer, AK it's a fact. Buffer pH is something your neighborhood chemistry teacher or you test kit cannot tell you.
The buffer pH in the Harvest of Hope Memorial Garden to from 6.7 to 6.9. Since I can't raise the pH, I am very glad the water pH is 5.1 to 5.3. This will still grow everything I need to grow and I don't have to do anything to lower the pH for the potatoes. They love it. The apple trees think it's pretty cool as well.
Be sure to use a lab that is set up to test Alaska soils. There are only a few. You can check the Cooperative Extension Service website for a list. I use Brookside Laboratories in Ohio. They are the cheapest and they do the proper tests for Alaska. You should request test S001AN. The cost is $20 per sample. This will give you everything you need to get things going well.
If you have questions about this you can email me or contact the Cooperative Extension Service.
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