Thread: OT-Deep watering trees
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  #14  
Old 08-05-2019, 10:23 AM
Tony Tony is offline
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Join Date: May 2011
Location: Sacramento CA
Posts: 2,745
One can do a simple test themselves, ribbon test. This tests shows how much sand, silt and clay is present in the soil.
https://www.youtube.com/watch?v=fufeaLBLGlk
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