Originally Posted by grassman177
hey tim, you could answer his ?? about sgn, i have no idea
as far as drought i wont be able to tell, i irrigate this!!!!!!!!! but i can tell if it goes drought stressed sooner or later than the other side b4 i irrigate
The SGN size is 250.
When the lawn enters a drought to dormancy period the nitrogen released from the Duration will stop and will not begin to release again until you have more moisture. Maybe you can cap one of the irrigation heads so you can evaluate.