- Apr 26, 2011
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Both Organic material and Sand will improve drainage and soil texture. (You have to know what size sand to use)
I know that the OP's post has to do with a chicken run and not a garden but I will use a gardening example.
Typical you have to add 6 to 8 inches of good organic material to improve clay soil, now the typical garden is only tilled at the depth of 8 inches so that means that you have to add 50% of good organic mater to improve clay soil. The same amount as what you are saying one would have to of sand to improve clay soil.
Now organic material will help with drainage but it also retains a fare amount of moisture and that is the last thing you need around livestock/chickens. What you DO want is something that will improve drainage and also will not retain a lot of moisture. Course Sand and or Fine Gravel will do just that, it will improve drainage and it retains very little moisture.
Chris
incorporating organic matter at much less than 50% will improve clay(not the point I know). just mulching with wood improves it some....... in term of tilling i imagine that 8 inches of organic matter woul likely equate to less than a 25% mixture due to clay be compacted and compost for example being fluffy and airy....but not the point.