Title: Mfg method for a mixed magnetic fertilizer
Application Number: 91100685 Application Date: 1991.01.31
Publication Number: 1063861 Publication Date: 1992.08.26
Approval Pub. Date: Granted Pub. Date: 1993.12.29
International Classifi-cation: C05G3/00
Applicant(s) Name: No. 33 Inst. of Ministry of Machine-Building and E Address: 030006
Inventor(s) Name: Gao Mingying, Li Yinfen
Attorney & Agent: ZHANG HUIFANG
Abstract:
     The present invention refers to a method for production of compound magnetic fertilizer. It is prepared by mixing powdered magnetic ferrite, mixed rare-earth nitrate powder and powdered soluble salt of Mn, Zn, Cu, Fe, Mg, Ca, K and Al with specified proportion followed by crushing and magnetizing. Seed dressing by the said fertilizer or applying the said fertilizer on the vicinity of plant roots can provide plant growth with necessary trace amount of nutrients, bring biomagnetic effect to the plants, promote roots development, and increase absorption of nutrient and water form soil, thus promoting plant growth and achieving production increase.
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