The chemicals often used to keep lawns green can actually weaken your lawn and harm the environment, and some have been associated with cancer or reproductive effects in children and pets.
If you want a deluxe lawn, here is a sampling of some of the more advanced techniques in organic lawn care.
Source
http://www.turi.org/news__1/press_center/tip_sheet_series/10_tips_for_a_healthy_pesticide_free_lawn
http://www.lawnandmower.com/top-dressing-the-lawn.aspx
Képek forrásai:
http://www.szepzold.hu/gyonyoru_gyep_tavasszal
http://archiv.szepkertek.hu/articles/szepkertek-52-hazi-sandor-gyepszonyeg-latvanyos-fuvesites.php