In article t,
"Jonny" wrote:

Lot of soil in one corner of the backyard is about 6" thick from old juniper
"leaves". Passes water easily, not much can grow in it including grasses.
Is there any way to accelerate the degenerative process of juniper tree's
leaves while in place in the ground?

I think most gymnosperm mulch is acidic.
Try adding some limestone sand maybe?
--
Peace!
Om

"My mother never saw the irony in calling me a Son of a bitch"
-- Jack Nicholson