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Old 10-31-2012, 11:30 PM
timturf timturf is offline
LawnSite Bronze Member
 
Join Date: Jan 2003
Location: central virgina, transition, plant hardy zone 7a, and heat index zone 7
Posts: 1,526
why so much brown patch?

irrigated lawns?

2/3 of n from mid sept to late spring. last n app, all of n should be totally released by 5/1

got enough p2o5 in soil?
no muraite of potash
fe and sop help stress

cut lawn weekly at 2.5 to 3" high...never remove more than 1/3 of leaf blade..= usually weekly cutting....shorter hoc and frequent cutting INCREASE turf density

no every other nite watering.....light frequent watering bad......let turf begin to go under stress, then water turf to a 3" depth..... start at sundown, keep cycling all nite, may take more than 1 night to reach 3" depth, THEN TURN OFF the water until turf begins to go under stress again............then start all over.........get healthier turf, and almost NO brown patch

their woill be alot that will disagree with me, but it works
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Timothy J Murphy Specializing in Quality Turf
Bs in Plant and Soil Science
Almost 40 yrs exp., 20 as GC superintendent
Primarly work with cool season turf
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