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ammonium nitrate
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<blockquote data-quote="rmcva" data-source="post: 392422" data-attributes="member: 5473"><p>That's a good question that few ask. Buying bag fertilizer you'll see the word Ammoniumnated if ammonium nitrate is used for that blend. It cost more per ton. I think it's about $20 per ton more. May be a little more now.</p><p></p><p> I bought from Royster Clark for over 30 years. When they were bought out by a Canadian co. they no longer offer 34% ammonium nitrate. And the only ammoniumnated blend they offer is from Rainbow. Their bulk mix will either have urea or ammonium sulfate. They prefer to use ammonium sulfate and will if you don't ask for urea. I don't use urea.</p><p></p><p> And you're right about the PH and ammonium sulfate. But I think ammonium nitrate also pulls the PH down but not as much. The big problem I see with ammonium sulfate after several years of usage is the copper shortage in the cattle. Once the sulfer builds up in the soil it'll build up in the cow and then she can't absorb copper as it passes through her. On black angus a good sign is red tips on the hair. </p><p></p><p> I didn't see ammonium sulfate as a big problem until we got into a drought. I lost more grass where ammonium sulfate was used than where ammonium nitrate was used. </p><p></p><p> My correction to all this was to soil sample and put down N,P & K by the soil sample. So I apply each seperate. Yes I make an extra trip over the fields. But also had some fields that didn't need P and some that didn't need K. So in the end I fertilized for less cost than with a blend fertilizer.</p><p></p><p> Right now I can get ammonium nitrate from Southern States and Camp Chemical. So choices are getting fewer.</p></blockquote><p></p>
[QUOTE="rmcva, post: 392422, member: 5473"] That's a good question that few ask. Buying bag fertilizer you'll see the word Ammoniumnated if ammonium nitrate is used for that blend. It cost more per ton. I think it's about $20 per ton more. May be a little more now. I bought from Royster Clark for over 30 years. When they were bought out by a Canadian co. they no longer offer 34% ammonium nitrate. And the only ammoniumnated blend they offer is from Rainbow. Their bulk mix will either have urea or ammonium sulfate. They prefer to use ammonium sulfate and will if you don't ask for urea. I don't use urea. And you're right about the PH and ammonium sulfate. But I think ammonium nitrate also pulls the PH down but not as much. The big problem I see with ammonium sulfate after several years of usage is the copper shortage in the cattle. Once the sulfer builds up in the soil it'll build up in the cow and then she can't absorb copper as it passes through her. On black angus a good sign is red tips on the hair. I didn't see ammonium sulfate as a big problem until we got into a drought. I lost more grass where ammonium sulfate was used than where ammonium nitrate was used. My correction to all this was to soil sample and put down N,P & K by the soil sample. So I apply each seperate. Yes I make an extra trip over the fields. But also had some fields that didn't need P and some that didn't need K. So in the end I fertilized for less cost than with a blend fertilizer. Right now I can get ammonium nitrate from Southern States and Camp Chemical. So choices are getting fewer. [/QUOTE]
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