Bad lawn

First time on the forum and no idea about gardening.....my front lawn is in a really bad state. The lawn is low down in the garden and i wish to raise the level of it up. If I put 200mm of top soil on top of the existing lawn with an intention to re-turf afterwards would the lawn underneath grow through or would I have to remove the old existing turf beforehand?
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brian stanton


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You could spray it with something like Roundup a week or so before putting in the new soil to kill the old stuff.
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Ralph Mowery;979834 Wrote: > "brian stanton" snipped-for-privacy@gardenbanter.co.uk wrote in > message

> is

> to

> turf

> putting

Nice one, that gives me something to go at, thanks Ralph
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brian stanton


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I mentioned Roundup. For that to kill off the old stuff, it takes a week or two as far as I understand it, it does not really kill off the stuff, but prevents it from absorbing something the grass needs to grow, so it will take a while for it to be effictive. There may be some other chemicals that you may want to look into. I don't know what is out that will kill off everything fast.
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Ralph Mowery wrote: ...

it takes sunshine and good growing conditions to get the weed killer down into the roots. sometimes takes more than one application.
smothering with cardboard will work better without using any poisons.
by the time the weeds and grasses underneath are dead the worms will break down the cardboard and the lawn on top will be established.
songbird
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brian stanton wrote:
...using herbicide...

better yet, go out and get cardboard for free and put it down. one or two layers with a few holes here or there for water to get through. then put the dirt on top.
songbird
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He doesn't need to apply Roundup or cardboard. He said he's putting down 200mm of soil. That's 8" and existing grass, weeds, etc on the lawn aren't going to grow through that.
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brian stanton;979801 Wrote: > First time on the forum and no idea about gardening.....my front lawn is > in a really bad state. The lawn is low down in the garden and i wish to > raise the level of it up. If I put 200mm of top soil on top of the > existing lawn with an intention to re-turf afterwards would the lawn > underneath grow through or would I have to remove the old existing turf > beforehand?
No problem....just care it by giving water regularly....you will find result soon.
--
thomaspoul


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