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Lawns : Soil Preparation

See more questions on Soil Preparation

Sowing a new lawn

I am in the process of preping the ground for seeding, part of which includes drawing in top soil to raise the level by 4". I just have a few questions- • should I add sand to the soil prior to seeding? • should I roll the topsoil prior to seeding (I would presume so to to avoid depressions due to foot traffic when seeding) • what fertilizer if any should I add in conjuction with the seed. I want to do this right, so all advice will be greatly appreciated, or link to suitable webpage. johnny_gardener, Bandon, Co Cork Posted: 25/04/2017

If there is already a good, 20cm or so of topsoil, there is no need to bring in any more, unless you just wish to alter the levels. 
There is no need to mix sand into good topsoil and heavy clay topsoil should not be used anyway.
The new soil, if used, should be firmed evenly by trampling so that it does not settle unevenly after sowing. Trample and rake until firm and even surfaced. 
Rolling is not as effective as trampling with boots. If the area is large, it can be rolled or evened and firmed with a powered stone rake. Apply 50 to 100 grams per square metre of general fertiliser before sowing.

More at:  http://www.garden.ie/howtogrow.aspx?id=327



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