Lowering pH

robert schuler sunnfarm at bellatlantic.net
Sat Oct 21 09:53:13 EDT 2000

Hello Charlie, My vegetable co-op's biggest export customer is the Virgin Islands
area so I probably should not try to help you :-) its common to inject acids into
irrigation water to lower Ph and just 5 minutes after receiving your note I came
across one such product in a trade paper called "N-pHuric", by Prodica LLC in Brea
Calif this product is less than 1 pH, such products are not  earthworm friendly
but you decide, you can get past the iron and zinc deficiencies with foliar
fertilizers, check your water supply and have it buffered to a proper level, I had
40 acres of limestone soil with a pH of 8 and OM of 4% that was the most
productive land I ever owned until they built an interstate highway on it, I had
soils tested yearly and had fertilizers custom blended to over come zinc and iron
def., I banded acidifing fertilizers like diammonium phosphate to create a small
low pH zone along each row and it worked out very well
Sunny Meadow Farm
Bridgeton, NJ.

Charlie Shultz wrote:

> Dear Farm-Friends,
> I recently established a few large raised beds for vegetable production in
> the Virgin Islands (yes, 12 month growing season).  I will soon have a
> complete soil analysis done, but managed to get a pH reading yesterday.  My
> pH is high, about 8.6.  Unfortunately I have already planted my various
> crops and don't know how to lower the pH without stressing the plants.  Can
> anyone recommend a method for lowering pH in an established veggie bed?
> Thanks in advance,
> Charlie
> Sunny St. Croix
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