wrote in message
. ..
In article ,
Koen wrote:
Hi,

developed some brown areas. We sprinkled regularly, so I
don't think
that's related to lack of water. Anyway, now the grass is
trying to

Define sprinkled regularly please. If you watered every day
but
shallowly then you may have contributed to disease or you may
have just
not had enought water there and the roots never went deep. In
clay you
need to get an inch or so per week, but it has to be done
slowly since
it penetrates clay so slowly.


Here a page with some good info on watering lawns in summer.
http://garden-guide.net/html/summer_lawn_care.html