Highly effective carbamide and preparation method and application thereof

Highly effective carbamide and preparation method and application thereof

  • CN 101,157,588 A
  • Filed: 09/21/2007
  • Published: 04/09/2008
  • Est. Priority Date: 09/21/2007
  • Status: Active Application
First Claim
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1. highly effective carbamide, it is made of the polymeric amino acid of ratio of weight and number 0.01~

  • 2.0 or its salt, 0.01~

    0.2 urease inhibitor, 0.01~

    0.6 nitrification inhibitor and 97.2~

    99.97 common ureas, and above-mentioned highly effective carbamide is that the mixing solutions by polymeric amino acid or its salt, urease inhibitor and nitrification inhibitor joins in the common urea of molten state, mix and granulation after product.

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