Title:
METHOD FOR PREPARING GRANULAR CALCIUM MAGNESIUM PHOSPHORUS FERTILIZER CONTAINING MULTIPLE TRACE ELEMENTS
Document Type and Number:
WIPO Patent Application WO/2021/103944
Kind Code:
A1
Abstract:
Provided is a method for preparing a granular calcium magnesium phosphorus fertilizer containing multiple trace elements, characterized in that a calcium magnesium phosphorus fertilizer, zinc sulfate, manganese oxide and sodium borate are used as main raw materials, complemented with a lignosulfonate as a binder, and a round-granule calcium magnesium phosphorus fertilizer containing multiple trace elements is prepared by means of pelleting according to the following parts by weight: 75-89 parts of a powdered calcium magnesium phosphorus fertilizer, 6-14 parts of zinc sulfate, 1-4 parts of manganese oxide, 0.1-1 part of a mixed powder of sodium borate as a dry material, and 3-7 parts of the lignosulfonate as a binder. The prepared granular calcium magnesium phosphorus fertilizer containing multiple trace elements not only has a uniform product granule size, a smooth surface and a high strength, but also has good disintegration properties, low costs and balanced nutrients.
More Like This:
| JP2008543714 | Agricultural composition |
| JPH0881292 | COATED FERTILIZER |
Inventors:
WANG RENZONG (CN)
Application Number:
PCT/CN2020/125784
Publication Date:
June 03, 2021
Filing Date:
November 02, 2020
Export Citation:
Assignee:
HUBEI FORBON TECHNOLOGY CO LTD (CN)
International Classes:
C05G3/00
Foreign References:
| CN110683905A | 2020-01-14 | |||
| CN108503464A | 2018-09-07 | |||
| CN1325836A | 2001-12-12 | |||
| CN102351598A | 2012-02-15 |
Attorney, Agent or Firm:
WUHAN KAIYUAN INTELLECTUAL PROPERTY AGENT LTD. (CN)
Download PDF: