Fertilizer herbicide additive Cancel The title field is required!

1. Jeremy Hreben

   

   0 posts
   
   4/24/2014 5:04 PM

   I have used several different surfactants with different herbicides. One of the best I have found is ammonium sulfate. My question is would 46-0-0 work? I believe the reason 21-0-0 works is because it give the plant a growth spurt which causes it to take up the herbicide faster. Wouldn't 46-0-0 work just as well? I have tons of soluble 46-0-0 and looking for additional uses.

   
   
   
   
2. Andrew Cross

   

   5 posts
   
   4/24/2014 5:04 PM

   Yes, have used it lots in the past, exact same principal as you eluded to.

   
   
   
   
3. Andy Jorgensen

   

   1 posts
   
   4/24/2014 7:04 PM

   Most herbicides work better at a lower pH. Round up is one of them. The AmSulf buffers the water along with helping penetration. Sulfonylureas, such as Monument or Manor, would be the exception.
   
   http://www.pesticides.montana.edu/Reference/WaterEffects.htm

   
   
   
   
4. Jeremy Hreben

   

   0 posts
   
   4/25/2014 4:04 AM

   Andy Jorgensen said: Most herbicides work better at a lower pH. Round up is one of them. The AmSulf buffers the water along with helping penetration. Sulfonylureas, such as Monument or Manor, would be the exception.
   
   http://www.pesticides.montana.edu/Reference/WaterEffects.htm

   
   SO you are saying it is the buffering of the ammonium sulfate and not the fertilizer aspect? If i did use the urea, what rate should I use?

   
   
   
   
5. Andy Jorgensen

   

   1 posts
   
   4/25/2014 8:04 AM

   Buffering has a lot to do with it. But i bet the improved uptake also has a great effect.
   
   On the Urea, I would go about 5-8#/ac to try. That's about .05-.08#N/m.

   
   
   
   
6. Kevin Welker

   

   0 posts
   
   4/25/2014 10:04 AM

   Jeremy,
   
   I recommend that you check out the webinar titled "How your spray tank water can impact pesticide performance". I took it live on Wednesday and it was very interesting. They specifically cover how Ammonium Sulfate works as a water conditioner. It does lower the pH of the water but is even more important to conditioning the water if you have hard water. The weak acid herbicides (2,4-D, glyphoste etc) are especially affected by dissociation of the chemical bonds in hard water.

   
   
   
   
7. Jeremy Hreben

   

   0 posts
   
   4/28/2014 6:04 AM

   Kevin Welker, CGCS said: Jeremy,
   
   I recommend that you check out the webinar titled "How your spray tank water can impact pesticide performance". I took it live on Wednesday and it was very interesting. They specifically cover how Ammonium Sulfate works as a water conditioner. It does lower the pH of the water but is even more important to conditioning the water if you have hard water. The weak acid herbicides (2,4-D, glyphoste etc) are especially affected by dissociation of the chemical bonds in hard water.

   
   Where would I find that on the website? I looked all over for it.

   
   
   
   
8. Kevin Welker

   

   0 posts
   
   5/1/2014 11:05 AM

   Jeremy,
   
   It may not be in the system yet. It was presented live pretty recently. Send me your email address and I will send you the handouts with the information you need.