text: but you you you have to but you 're you 're right though in that you do have to cut it though when it 's um relatively short you can 't let it go a week or two because if the clippings are that long then they 'll just lay on top
  
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  You are correct because you have to cut it , and in fact when it is short you cannot leave it uncut for more than a week or two due to the grass that will end up sitting on top .