METHOD FOR PRODUCTION OF CHLORINE-FREE NITROGEN - POTASSIUM - - MAGNESIUM FERTILIZER Russian patent published in 1995 - IPC

Abstract RU 2040517 C1

FIELD: agriculture. SUBSTANCE: proposed fertilizer is prepared by interaction of nature potassium magnesium compound and ammonium sulfate. The process is carried out at 0-90 C in saturated solution of ammonium sulfate till concentration of magnesium ion in solid phase is at least 6 mass EFFECT: simplifies the process and decreases its cost. 2 cl, 2 dwg

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RU 2 040 517 C1

Authors

Shestakov Nikolaj Egorovich

Meshcherjakov Vjacheslav Vasil'Evich

Dates

1995-07-25—Published

1991-07-25—Filed