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#1
11-02-2012, 10:43 AM
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Tilling in sand by Ask This Old House
I came across the program a few days ago and the Landscape fella was tilling up the lawn, but I didn't find out what kind of soil it was... did anyone else see it and know what the natural soil was???
Nevertheless, when he was done tilling,,, he had the h.o. spread out a 50/50 mix of sand and compost about 2" thick, over the entire area, then till it again... The comment he made about "Why" he's doing so, was about water-holding capacity and drainage... then came the sod... If this was a clay soil,,, was the program giving out really bad advice???
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* Water/air ratio in relation to water flow to/from any plantlife is a Basic Fundamental Concept in understanding seed germination as much as transplanting a 20' Maple tree in 90 degree weather... * 
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#3
11-02-2012, 09:31 PM
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I saw the episode and was a bit confused
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#4
11-03-2012, 07:51 AM
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The core he pulled showed a compacted clay base. They used a sodcutter to remove the grass in a thin layer. They then tilled about 4 inches to loosen the soil. Then they added two inches of fifty fifty sand compost and retilled. Starter fert and lime were spread before a light final grade rake. KBG fescue was laid. All in all it was a proper sod job that should turn out well. The problem I see was the original failed from heavy kid play on it. If you are looking for a perfect patch of grass it was done pretty good.
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#5
11-03-2012, 09:40 AM
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OK, so it was clay... thanks...
I wonder if they'll ever do an episode on one of the garden shows about 'Why', this works... and 'why' it doesn't turn into concrete or adobe under the sod... They must be aware of the controversy surrounding the mixture... Did they show the heavy kid playing on the original lawn??? 
__________________
* Water/air ratio in relation to water flow to/from any plantlife is a Basic Fundamental Concept in understanding seed germination as much as transplanting a 20' Maple tree in 90 degree weather... *
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#6
11-03-2012, 02:46 PM
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It was more than one kid. More like 5 or 6 playing sports all day. That's gonna take a toll no matter what they do.
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#7
11-03-2012, 10:23 PM
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I watch all the This old houses and Ask this old house's..whether you agree or disagree with what Roger Cook does he is usually thorough...kind of suprised he didn't roll the lawn for good soil contact and eliminate air pockets.
Steve
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The best way to predict your future is to create it. Ground Effects LLC
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#8
11-04-2012, 07:41 AM
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I stopped rolling a couple years ago. Properly butting the edges is more important IMO. Dragging the roller around can disturb the seams and move the sod piece around. I step on each piece so I doubt there is any air under it.
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#9
11-04-2012, 09:16 AM
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So it is pretty much a consensus that Roger was perfectly correct in mix sand and clay... it does work w/out forming adobe, after all...
__________________
* Water/air ratio in relation to water flow to/from any plantlife is a Basic Fundamental Concept in understanding seed germination as much as transplanting a 20' Maple tree in 90 degree weather... *
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#10
11-04-2012, 10:07 AM
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Nope, no adobe cement was created.
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