"Jangchub" wrote in message
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On Sun, 4 Mar 2007 17:13:05 -0600, "JohnS" wrote:

Why remove them? They rot into humus under the cover of topsoil, good for
the grass.

It takes both carbon and nitrogen to create humus, or as it's known
the finished product of compost. The bark will take too much nitrogen
out of the soil and the turf will suffer. I'd say to rake them away
and put them on the soil where garden or landscape beds are located.

To each their own. If topsoil is inches deep and chips buried they wont use
nitrogen from above. I would do soil test anyway on topsoil and add what is
recommended for grass.