Re: Double-digging


At 11:41 AM 7/10/97 -0600, you wrote:
>A final thought. I am wondering if the often recommended method of "double
>digging" is a good practice. On the surface it seems to me that it is not
>wise to change the soil profile by exchanging top soil with sub soil. I
>would welcome comments on this.
>John Montgomery

John, 

I've done a little double digging over the last few years. However, I am
always careful of mixing my clay subsoil with good topsoil.  I usually dig
off the top soil and place it onto a plastic tarp.  I then mix organic
matter into the exposed subsoil.  Finally, I put the topsoil back and mix
the topsoil with generous amounts of organic matter like compost and well
rotted horse manure.  My topsoil is mostly sand and I found that even when
I do mix the two strata, subsoil and topsoil, they usually form distinct
layers again within a season or two.  I guess that I really do a modified
form of what you usually see in the gardening books as double digging.

-Donald


Donald Mosser
Member of AIS, HIPS, SIGNA, SSI, SLI, SPCNI, and IRIS-L
dmosser@southconn.com
http://www.geocities.com/rainforest/5570

North Augusta, South Carolina, USA
On the South Carolina and Georgia Border
USDA Zone 7b-8




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