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Arable Farming
Cropping
Urea VS AN
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<blockquote data-quote="Brisel" data-source="post: 6906920" data-attributes="member: 166"><p>If you fancy a project, look at the mysterious world of CULTAN....</p><p></p><p>NIAB TAG did some work on urea vs AN vs UAN that will be worth a look. No significant differences in yield but some useful discussion comments. Jim Orson's Oracle was one of the more pithy analyses.</p><p></p><p>Lots of the ammonium is converted to nitrate, so I don't quite agree with all you say there [USER=4147]@CornishTone[/USER] . Out of interest, do you get that blue tinge of nitrate poisoning in wheat after a good hit of urea like you do after a dose of AN and a shower of rain? Your comments about disease susceptibility are absolutely right. We're stuck in a cycle of dependency where high N forces more fungicides and PGRs. </p><p></p><p>Worth considering in future that urease inhibitors are likely to become a legal requirement in an effort to reduce GHG emissions, no doubt lobbied for by manufacturers of AN like Yara and CF who want to stop bulk global urea holding AN prices down. AN is a material used in WW2 explosives and just a way of finding an alternative market for it after the war.</p></blockquote><p></p>
[QUOTE="Brisel, post: 6906920, member: 166"] If you fancy a project, look at the mysterious world of CULTAN.... NIAB TAG did some work on urea vs AN vs UAN that will be worth a look. No significant differences in yield but some useful discussion comments. Jim Orson's Oracle was one of the more pithy analyses. Lots of the ammonium is converted to nitrate, so I don't quite agree with all you say there [USER=4147]@CornishTone[/USER] . Out of interest, do you get that blue tinge of nitrate poisoning in wheat after a good hit of urea like you do after a dose of AN and a shower of rain? Your comments about disease susceptibility are absolutely right. We're stuck in a cycle of dependency where high N forces more fungicides and PGRs. Worth considering in future that urease inhibitors are likely to become a legal requirement in an effort to reduce GHG emissions, no doubt lobbied for by manufacturers of AN like Yara and CF who want to stop bulk global urea holding AN prices down. AN is a material used in WW2 explosives and just a way of finding an alternative market for it after the war. [/QUOTE]
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Urea VS AN
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