lime and fertilizer for grass

LSU Ag Center says:

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The only fertilizer that should be applied in the fall is potash. Muriate of potash, 0-0-60, may be applied in September or October to provide increased cold tolerance. Apply at a rate of 1-2 pounds per 1000 square feet. For extra color on fall turf, apply a foliar iron spray. This will help extend greenness into fall.

Fall is the best time to get your soil tested by the LSU AgCenter. Soil testing is the first step to a beautiful lawn and is the best way to determine exactly what your lawn needs to become thick and healthy next spring. Soil samples should be 4 to 6 inches deep as well as a composite of samples collected from several locations in the lawn. Mix this well and take a pint to your local extension office.

Results will be sent to your home address and/or emailed in about two weeks. Sample results may indicate that lime is needed to increase soil pH. Fall/winter is the best time to apply lime since it takes several months to react with soil and adjust to proper pH.

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LINK

Unless I'm wrong you need to lime first. Fertilizer won't do shite if your ph is off. I used the cheap test kit at lowes which told me how acidic my soil was. I then added a shite load of lime and waited a couple weeks, then I fertilized. Worked for me when I was trying to resurrect my yard.

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they hydroseed guy told me i needed to get my PH way down with lime and to fertilize with a 13-13-13 or 16-16-16 once i saw good growth.

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Good thing your hydroseed guy is not your soil fertility guy because he doesn't know $&@! about fertility. Lime does not lower soil pH.

As said, if your ph isn't right then the grass/ plants won't suck in the fertilizer. Literally, so it's almost use less.

Also, you generally don't want apply nitrogen in the fall because it aids growth when your grass is trying to slow down and prepare for winter. It does more bad than good. As far as new grass though, I'm not sure what your best thing to do is.

Def get a soil test and if you go through the Ag college they usually tell you what to add for specific species. All states have a college that provides that for dirt cheap as far as I know.