[NAFEX] compost, peatmoss, and soil ph
arboretum at homeorchardsociety.org
Sun Jan 27 13:16:19 EST 2008
i would use sawdust, or wood ash. all the commercial growers in the
willamette valley, oregon apply sawdust mulch every year for
increasing acidity and adding organic matter. sand isn't going to do
squat. leaf mulch might help, but it would have to be applied year
after year, with minor effect. a pine/fir needle mulch might do
better than oak leaf even.
peaceful valley farm supply carries "tiger 90" an organic approved
sulfur product formulated for lowering pH. remember sulfur overdoses
can be toxic.
oregon city, OR - zone 8a and wet
On Jan 26, 2008, at 8:36 PM, Jerrydana5 at aol.com wrote:
> I have several blueberry bushes and am going to add several more
> this spring. I have a ton of natural leaf compost from our yard
> leaves and can add some peat moss also for organic matter and to
> help bring ph down. The soil is rich, but too acid--about 6.5 to
> 6.8 (probably due to adding a lot of horse manure mixed with horse
> urine. I've had the soil tested and it is very rich, but not acid
> enough for blueberries. Other plants due well.) The leaf compost
> is from maple and oak leaves. It is well composted.
> Which would be better to add to my soil for organic matter and to
> bring the ph down into the proper range for blueberries? Peatmoss
> or leaf compost? Or both? Possibly some sand, also? THe
> blueberries I have now are doing fair, but not fantastic. I am
> adding some sulfur also the bring the ph down.
> Jerry in southern Indiana
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