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Urea application to rye grass pastures

Posted on 11/18/17 at 6:18 am
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 11/18/17 at 6:18 am
First time using the stuff. Reading up on it and it seems you want to apply it when it’s warm and dry, which differs from ammonia nitrate where you would apply prior to a rain.

Also trying to find the ideal period of time to keep livestock off of pasture after application.
Posted by Capt ST
Hotel California
Member since Aug 2011
12836 posts
Posted on 11/18/17 at 8:10 am to
You broadcasting granular or spraying? Granular they till in when dry to minimize N loss thru conversion to free ammonia when it gets wet.

ETA I use spray before rain.
This post was edited on 11/18/17 at 8:12 am
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 11/18/17 at 8:17 am to
Granular.

From what I’ve read, that wet conditions slow down the process
Posted by prostyleoffensetime
Mississippi
Member since Aug 2009
11437 posts
Posted on 11/18/17 at 9:59 am to
You’ll need a rain to incorporate it, but it will burn the grass if you put it on wet grass.
Posted by prostyleoffensetime
Mississippi
Member since Aug 2009
11437 posts
Posted on 11/18/17 at 10:10 am to
Also, I don’t think it necessarily has to be warm. It’s flown onto millions of acres of wheat when it’s cold, but I’d at least shoot for sunny and dry.
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 11/18/17 at 10:30 am to
I was a little late getting my rye grass planted and just broadcasted it on clipped pasture. Gonna wait to get a good frost and kill the native grass back before I put any nitrogen down. Was just curious how it differs from ammonia nitrate
Posted by EarlyBird
Member since Jun 2006
4096 posts
Posted on 12/12/17 at 9:15 am to
Did you put your urea out and how did it react? I'm about to put some out this weekend before the rain (I know I'm late, but I haven't needed it yet). It's my understanding that in cooler temperatures the atmospheric leaching is reduced. I could also put ammonia nitrate out, but I think urea doesn't lower the pH as much. Did your application work well? TIA.
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