You know, i have been running the lawn crew for a close friends company for 2 seasons now, and, it seems like fertilizer guys push their own shortcomings off on us, constantly. For example, just a couple weeks ago, a customer calls us up, she lives in a BIG sub with several high dollar houses we cut in there (9 total), and tells us her fertilizer guy told her, that the reason she has weeds in her lawn, is because the lawn guys (us) cut her grass too short and with dull blades. Now, we change our blades 2-3 times a week depending on grass conditions, but we ALWAYS change them the night prior to going this sub, because we cut several lawns on this particular day, including this sub. Obviously we dont change blades before going to this sub, but her lawn is probably the 4th-5th lawn of the day, because we have 2 mowers and use diff ones to mix it up, i try to save one or the other for this place in particular. As far as cutting it too short, i know diff lawns different heights are often required, however, this is a lawn we were cutting on 3 and 3/4's originally with an exmar, we moved up to 4 on it because she complained, and it had been on 4 for a WHILE before the fert guy incidenent, and now im cutting it on 4.25" and to me it looks bad. Anyone else have fert guys doing this to them?