GRANULATED FERTILIZER EXHIBITING THE CONTROLLED NUTRIENT COMPONENT RELEASING Russian patent published in 1997 - IPC

Abstract RU 2088556 C1

FIELD: granulated fertilizer production. SUBSTANCE: fertilizer has water-soluble nutrient components taken from the group containing nitrogen, phosphorus, potassium compounds or their mixture, trace elements, biostimulating agents and polymers or compositions based on thereof. Permeability by water is 0.00001-0.0000001 ml/cm/cm2 x h. Fertilizer has the following ratio of components, mas. p. p.: polymers or polymeric compositions, 0.5-3.5; water-soluble components, 96.5-99.5. Fertilizer has cellulose esters or polyamides, or polyolefins, or their copolymers, or polyetherurethanes. EFFECT: improved quality and property of fertilizer. 2 cl, 1 dwg

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RU 2 088 556 C1

Authors

Grigor'Jants Igor' Konstantinovich[Ru]

Trikhanova Galina Andreevna[Ru]

Khajri Azat Khasanovich[Ru]

Stukalova Nadezhda Pavlovna[Ru]

Bul'Bas Vladimir Ivanovich[Ru]

Vel'Gosh Zbignev[Pl]

Piotrovska Monika[Pl]

Dates

1997-08-27Published

1995-12-28Filed