Sustained-control-release water-retention multifunctional nitrogen fertilizer and preparation method thereof

Sustained-control-release water-retention multifunctional nitrogen fertilizer and preparation method thereof

  • CN 102,936,175 A
  • Filed: 12/07/2012
  • Published: 02/20/2013
  • Est. Priority Date: 12/07/2012
  • Status: Active Grant
First Claim
Patent Images

1. a slow controlled release water holding Multifunctional nitrogen fertilizer is characterized in that feed composition is as follows, is weight part:

  • 1~

    20 part of trimeric cyanamide, 8~

    80 parts in urea, 15~

    90 parts in ammonium sulfate, 1~

    40 part in sal epsom, 0.2~

    5 part in zinc sulfate, 0.1~

    1.0 part of coating agent, 1~

    20 part of coating agent solvent;

    Described coating agent is selected from the combination more than at least 2 kinds in collagen protein, chitin, Polyacrylamide, C12 aliphatic alcohol polyethenoxy (3) ether ammonium sulfate.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×