Old 05-06-2004, 06:16 PM
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Old Red Old Red is offline
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Join Date: Sep 2003
Location: Between Skaneateles and Otisco Lakes in Upstate NY
Posts: 147
sulphur + seeding

I have a job aerating and overseeding. Wanted to do it this fall but the customer said he wanted it done now. Anyways I sent a soil sample in and the ph is a little high, 7.4. The soil lab says apply sulphur at 29# per 1000 sq.ft. and incorporate to a 6" depth. Well I've aerated this but I'm not able to incorporate anything. Should I put any sulphur on the surface before I slitseed this lawn or hold off on until a later date? The customer wants his lawn seeded as soon as possible.
Skantisco Lawn
"Que scais-je?"
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Old 05-07-2004, 12:10 AM
joshua joshua is offline
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Join Date: Feb 2001
Location: northeast ohio
Posts: 1,225
no you shouldn't put sulfer on the lawn before you seed, that sulfer will still be on the surface and will burn out the new seedings. you should do like the extensionist said and apply the sulfer and roto till the lawn. if you choose not to apply the sulfer and wish to bring down the soil ph you can apply sulfer coated urea or scu; this will slowly bring down the soil ph but it will take a long time. even though this would be a new lawn it would still look weak until the ph is around 6.0 -7.0.
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Old 05-07-2004, 10:10 AM
timturf timturf is offline
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Join Date: Jan 2003
Location: central virgina, transition, plant hardy zone 7a, and heat index zone 7
Posts: 1,526
Amount of sulfer in scu will have no effect on soil ph, all sythetic fert have an acifying effect! We never applied more than 6 lbs/m of elemental sulfer /season on bentgrass greens. Our ph ran from 7 to 7.6, so I question the 29lbs/m of sulfer. Can you apply sur and seed, I don't know, have no experience, but would think you could apply a small quanity and seed.
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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