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aerate and slice

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Posted by dbiz kansas (My Page) on
Thu, Sep 1, 11 at 20:39

Okay I'm. Getting ready for fall here in kansas and I want to do my yard the right way.so here is my qustions 1)I did a soil sample and I am low in nitrogen.should I apply high nitrogen now and wait a couple of weeks and then seed? 2)should I core aerate and slice both? If this helps I have a pretty good lawn now some crabgrass that I sprayed with roundup a week ago and I have a irregation system. Thanks for the help!!!

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RE: aerate and slice

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Where in Kansas are you? Your timing might depend on that.

I wouldn't bother aerate and slice. one or the other.

with the fert, apply a starter fertilizer when you seed, and then a high nitrogen application late this fall - almost early winter. When you say "high nitrogen" what amounts are you talking about? 1lb. per k? More then that?

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RE: aerate and slice

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  • Posted by dbiz none (My Page) on
    Fri, Sep 2, 11 at 2:00

thanks for your reply here is the soil sample results Results pH: 6.8 Phosphate: 84 Potassium: 507
Other:
Soil pH
(Shaded area is acceptable pH range tall fescue)
4 5 6 7 8 9 10
Shaded area below represents the level of nutrients in the area tested.
Phosphate
0-5 (Very Low) 6-10 (Low) 11-20 (Medium) 20-50 (High) 51+ (Very High)
Potassium
0-40 (Very Low) 41-175 (Low) 176-250 (Medium) 251-300 (High) 301+ (Very High)
Recommendations:
pH: The pH is fine for turfgrass.
Fertility: Tall fescue is normally fertilized two or three times each year. The most important
fertilizations are done in September and again in November. For high quality turf that will be irrigated
in the summer, also fertilize in May.
Your soil is very high in phosphorus and potassium. You have adequate levels of these nutrients and do
not need to add more. Use a fertilizer that contains primarily nitrogen such as one of the following:
Iron + (12-0-0) at the rate of 8 pounds per 1000 square feet
Nitrate of Soda (16-0-0) at the rate of 7 pounds per 1000 square feet.
Ammonium sulfate (21-0-0) at the rate of 5 pounds per 1000 square feet
Urea (46-0-0) at the rate of 2� pounds per 1000 square feet.
You can also use a 27-3-3, 28-4-4, 29-3-3 or something similar at the rate suggested on the bag.
September Application: Use a high nitrogen fertilizer such as one of those recommended above. Core
aerate each September to relieve compaction and increase soil aeration.
November Application: Use a high nitrogen fertilizer for the November application as well.
May Application: If you decide to use a May fertilization, apply a slow-release lawn fertilizer at the
rate suggested on the bag.
Recommendations

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RE: aerate and slice

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BTW, just so you know, most of those suggestions are just the regular thing that goes on all the TTTF results, except for the fertilizer suggestions, that is.

When I overseed, I aerate and use a broadcast spreader.

the 46-0-0 is what I would use. Just a guess, but it's likely to be the cheapest. Urea is a very common synthetic nitrogen. Typically 1lb of actual nitrogen is what is recommended, but I think their suggested rate of 1 1/4lbs of actual N would be fine. Just be really careful applying it as you can burn your current grass super easy. Honestly, I would probably do that as your fert. then put down seed. Since you already have good amount of P and K in your soil, hopefully the grass seed should do just fine.

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