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It is recommended that this fraction be taken from the topsoil or the organic portion otherwise; keeping the sand as minimum 65 % by volume. </p>
It is recommended that this fraction be taken from the topsoil or the organic portion otherwise; keeping the sand as minimum 65 % by volume. </p>
{{:Additives}}
{{:Additives}}
[[File:Sandy Bioretention Soil Mix.jpg|thumb|Sandy filter media mix]]
<references />
<references />

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