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  • 专利标题:   Slow-release fertilizer comprises coating material comprising graphene oxide and active humic acid, core material comprising porous carboxymethyl starch, potassium dihydrogen phosphate and ammonium nitrate and crosslinking agent.
  • 专利号:   CN111908972-A
  • 发明人:   GU X
  • 专利权人:   HE Z
  • 国际专利分类:   C05G003/00, C05G003/40, C05G003/80, C05G005/30
  • 专利详细信息:   CN111908972-A 10 Nov 2020 C05G-003/00 202097 Pages: 9 Chinese
  • 申请详细信息:   CN111908972-A CN10840701 20 Aug 2020
  • 优先权号:   CN10840701

▎ 摘　　要

NOVELTY - Slow-release fertilizer comprises coating material, core material and crosslinking agent in a mass ratio of 2-4:7-9:3-5. The coating material comprises graphene oxide and active humic acid in a mass ratio of 5-7:1-3. The core material comprises porous carboxymethyl starch, potassium dihydrogen phosphate and ammonium nitrate in a mass ratio of 8-12:1-3:1-3. USE - As slow-release fertilizer. ADVANTAGE - The fertilizer has a long nutrient release period and good slow-release effect.