Double-coated long-acting controlled-release fertilizer and preparation method thereof

Double-coated long-acting controlled-release fertilizer and preparation method thereof

  • CN 104,163,728 B
  • Filed: 09/03/2014
  • Issued: 02/01/2017
  • Est. Priority Date: 09/03/2014
  • Status: Active Grant
First Claim
Patent Images

1. a kind of double-contracting film long-effect slow-release or control-release fertilizer is it is characterised in that it includes fertile core, polyglutamic acid peplos and resin from the inside to the outsidePeplos;

  • Wherein, polyglutamic acid coating layer quality accounts for the one thousandth of gross mass one of to percentage, and coated with resin layer quality accounts for total matterOne of percentage of amount is to 1/10th.

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