Organic polymer slow-controlled release nitrogen and phosphorus fertilizer containing sulphur, iron, manganese, copper and zinc elements and preparation method of organic polymer slow-controlled release nitrogen and phosphorus fertilizer

Organic polymer slow-controlled release nitrogen and phosphorus fertilizer containing sulphur, iron, manganese, copper and zinc elements and preparation method of organic polymer slow-controlled release nitrogen and phosphorus fertilizer

  • CN 104,558,465 A
  • Filed: 01/21/2015
  • Published: 04/29/2015
  • Est. Priority Date: 01/21/2015
  • Status: Active Application
First Claim
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1. an organic polymer for sulfur-bearing Fe, Mn, Cu zinc microelement, is characterized in that, structure shown in general formula specific as follows:

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