Fall Nitrogen Regimens

Kentucky bluegrass, Fescue, Rye and Bent, etc
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laadams85
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Re: Fall Nitrogen Regimens

Post by laadams85 » September 15th, 2014, 10:15 am

I like to save my milorganite for right before my neighbors have parties. That and putting down SOP/MAP. It's been weekly apps of urea lately.

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Re: Fall Nitrogen Regimens

Post by rlb » September 15th, 2014, 1:20 pm

rlb wrote:What should we be looking for in a winterizing product? You said in previous posts that a synthetic should be used, and that most of today's urea is synthetic. So can we consider a final app or urea as a winterizer?
In case anyone missed it like me, the original post clarifies this:

"Apply the Winterizer as fast-release Urea or AS, all at once. The application should be 1 lb/K of Nitrogen which is a tiny bit more than 2 lbs/K of 46-0-0 Urea. Burning is much less-likely as top-growth will have ceased."

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Re: Fall Nitrogen Regimens

Post by rlb » September 15th, 2014, 1:21 pm

For those that want to really be aggressive about Fall Nitrogen fertilization, and don't mind the extra application work, pure (fast-release) Urea or Ammonium Sulfate fertilizer can be applied weekly to deliver about 0.5 lbs/K of Nitrogen. For Urea, this is right about 1 lb/K of 46-0-0 Urea.
This is .5 lb of nitrogen weekly, correct? Or weekly applications for a total of .5lb?
Last edited by rlb on September 15th, 2014, 1:26 pm, edited 1 time in total.

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Re: Fall Nitrogen Regimens

Post by laadams85 » September 15th, 2014, 1:26 pm

Yes, weekly applications of 0.5lb/k of fast release nitrogen. If using urea, thats about 1 lb/k of urea every week.

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Re: Fall Nitrogen Regimens

Post by rlb » September 15th, 2014, 1:27 pm

OK thanks! I'd rather have a silly question than a dead lawn.

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Re: Fall Nitrogen Regimens

Post by Billybob » September 15th, 2014, 3:38 pm

Be very careful watering in urea. I must have not watered enough in a few spots along sidewalk and now it looks fried.

I assume it's toast.

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Re: Fall Nitrogen Regimens

Post by andy10917 » September 15th, 2014, 3:46 pm

You should not have frying if you even made a single (overlap) mistake at 1 lb/K Urea (0.46 lbs/K N). 1/4" of water is all that is needed.

The whole idea of the 1 lb/K Urea is safety, and tolerance of a single mistake.

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Re: Fall Nitrogen Regimens

Post by Billybob » September 15th, 2014, 4:33 pm

That's what I thought too. It's been relatively dry here so maybe I'm not watering enough.

I have a postal scale and I weight the urea and I'm dead on at 1 lb. urea (1/2 lb nitro..) per k.

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Re: Fall Nitrogen Regimens

Post by SW315 » September 15th, 2014, 6:07 pm

BoatDr wrote:
jglongisland wrote:The weather is cooling off now, this week would be a good time to get the first drop down.
Or something in a pre-em? Anyone have an idea on how much urea will easily go into how much water ? I deal I small amounts.


- Sent From My Sandlot.
I was able to dissolve 3.5# in to 2.5 gallons shake well and often.


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Re: Fall Nitrogen Regimens

Post by Adam T » September 16th, 2014, 1:48 pm

andy10917 wrote:1/4" of water is all that is needed.
HA! I came to the thread to ask this question, you read my mind! You are a wizard.

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Re: Fall Nitrogen Regimens

Post by fmzip » September 17th, 2014, 8:55 am

I am due to put down some SOP. Is it okay to put it down with the Urea?

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Re: Fall Nitrogen Regimens

Post by ENVY23 » September 17th, 2014, 1:30 pm

What's the best way to apply it? Broadcast or drop spreader? I know drop provides more accuracy, but it would seem a broadcast would be better at preventing lines/hiding overlaps since it provides a feathered edge? Opinions?

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Re: Fall Nitrogen Regimens

Post by HoosierLawnGnome » September 17th, 2014, 1:54 pm

fmzip wrote:I am due to put down some SOP. Is it okay to put it down with the Urea?
Yep, that's exactly what the fertilizer companies do in their pre-mixed products..... Just obviously make sure you're applying the right amounts :) I like to do this myself for precise control about what's going down. I don't have time to sift through the different prill in a 50 lb bag........ :lol:
What's the best way to apply it? Broadcast or drop spreader? I know drop provides more accuracy, but it would seem a broadcast would be better at preventing lines/hiding overlaps since it provides a feathered edge? Opinions?
I use a hand spreader (broadcast). I took a sharpie and put a line for a few different pound. Scoop, and then take a walk. I can have a urea application done in < 10 minutes on my whole lawn without breaking a sweat or getting dirty. Wing tips and sport coat? Not a problem.

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Re: Fall Nitrogen Regimens

Post by BoatDr » September 19th, 2014, 12:37 am

Thanks Scott.


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Re: Fall Nitrogen Regimens

Post by lancasterlawn » September 19th, 2014, 9:23 am

Does anybody know of a good source for urea in Central Mass? I picked up a 50lb bag at John Deere/Lesco for $45 last week. The price seemed high based on other posts here. I called around to a couple of Agway's in the area. One has only 4lb bags for $12. Another told me they stopped selling it a few years back when they were required to collect the names and addresses of anyone buying it.

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Re: Fall Nitrogen Regimens

Post by jglongisland » September 19th, 2014, 9:25 am

lancasterlawn wrote:Does anybody know of a good source for urea in Central Mass? I picked up a 50lb bag at John Deere/Lesco for $45 last week. The price seemed high based on other posts here. I called around to a couple of Agway's in the area. One has only 4lb bags for $12. Another told me they stopped selling it a few years back when they were required to collect the names and addresses of anyone buying it.
Down here Agway will order it for you if they don't have it in stock. Keep in mind it is used as an ice-melt as well. The Agway here in Nassau County gets it by the pallet in November for sale to the heliports in Manhattan.

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Re: Fall Nitrogen Regimens

Post by oze » September 19th, 2014, 10:23 am

Great article and excellent recommendations, Andy. The weather has definitely started to turn cool here in NE Indiana, and my lawn has definitely entered turf menopause. Some questions come to mind maybe they are rhetorical more than anything else/.

I wonder why I never noticed it before? Surely it happens every year, but this is the first time I recall taking note. And there surely is a widespread amount of browning in my lawn.

How come my lawn seems to be worse than those of my neighbors? I definitely take care of my lawn during the season orders of magnitude more than theirs, including irrigation to prevent dormancy.

Finally, I am surprised not to be able to find any information about this phenomenon anywhere else but here. It is very odd to me, because even I, a doubting Thomas, can confirm that it is happening. Now I await the reawakening!
Last edited by oze on September 19th, 2014, 11:21 am, edited 2 times in total.

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Re: Fall Nitrogen Regimens

Post by mattya » September 19th, 2014, 11:10 am

lancasterlawn wrote:Does anybody know of a good source for urea in Central Mass? I picked up a 50lb bag at John Deere/Lesco for $45 last week. The price seemed high based on other posts here. I called around to a couple of Agway's in the area. One has only 4lb bags for $12. Another told me they stopped selling it a few years back when they were required to collect the names and addresses of anyone buying it.

Try here - http://www.valleygreenusa.com/locations-sales-reps/

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Re: Fall Nitrogen Regimens

Post by laadams85 » September 19th, 2014, 11:34 am

oze, is this after you cut the lawn? I'm getting something similar but I'm only seeing it when I cut the lawn. Once the grass grows back out a little it's nice and green again. I think this is a combination of brown blades down low (BBDL) and perennial rye that when dormant/died. It could be only an issue for Northern Mix Lawns (NoMix), hard to say.

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Re: Fall Nitrogen Regimens

Post by HoosierLawnGnome » September 19th, 2014, 11:39 am

How come my lawn seems to be worse than those of my neighbors? I definitely take care of my lawn during the season orders of magnitude more than theirs, including irrigation to prevent dormancy.
I'd suggest starting an "improve my lawn" type thread in the cool season forum, because this is something that requires a lot of specifics.

Personally, I'd get a soil test from Logan Labs in the early spring next year, as soon as the ground thaws, then post it here. If your grass is already going dormant, there isn't much left to do for it this fall other than winterize properly (which will REALLY help it next year!).

The soil test will help you focus your efforts on giving the grass what it needs, and adjusting the conditions that help it grow optimally.

Get a good pre-emergent down when the forsythia blooms this coming spring to prevent weeds.

Look into the watering practices - deep and infrequent. If you're doing light and regular, your grass will be more prone to heat stress with shallower roots.

Anyways - in your thread, detail your maintenance habits, fertilization practices, weed prevention techniques, etc - there are lots of people that love to help here!!!

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