
Posted by Andrew The only problem is the more fines you have the more water holding and the less air porosity which is the most important factor when considering the suitability of a sand for use as a growing medium. Andrew --Previous Message--
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on 6/12/2005, 12:57 am, in reply to "hydro question"
70.93.212.50
All dependent on the amount of fines in the greensmix, they create water holding pores or capillary pores which cause the wicking action which would enable the water to reach the upper rootzone.
: I have a green thumb, and I am going
: to undertake this putting green
: thing in my newly acquired back
: yard. I was considering adding a
: layer of pvc pipe at the bottom of
: the top rootzone layer to water the
: green from underneath; essentially,
: a hydroponic green. Some football
: fields are created this way. Will
: the sand act as a wick, or must I
: water from the top?
:
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