EB>Could be the second answers the first.
EB>        Clay soils are sometimes too heavy for Pot.  I think a sandy
EB>humus soil is good.  Then again, Clay soils with humus can be loose as
EB>well plus clay is known to hold nutrients.
DM>        ...  Ya can't translate 'pot doesn't tolerate aluminum' to 'clay
DM> soils are too heavy for pot'.  Both might be true statements, but clay
DM> isn't
DM> aluminum.  ;-).
        My original question was "Does anyone know what the ratio of Na ( 
Sodium
), Calcium and sulfer should be for pot.
        My original context was about making organic fertilizer and the topic 
shifted to soil so I went that direction. :)
        The Aluminum thread is an offshoot of my original post.  
        Both L P and yourself offered interesting opinions and I attempted to 
focus the topic onto Soil Structure.
        I know the difference between a soil component and soil Structure.  
:-|
        
So to hell with Aluminum but it is something to consider if you have problems 
growing.
Ernst
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