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2 091 423

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IPC

(21) (22)

Application

95105947/13, 1995-04-18

(22)

Actual filing date

1995-04-18

(45)

Published

1997-09-27

(72)

Inventor

Fedjaev Fedor Fedorovich[Eb]Fedjaev Dmitrij Fedorovich[Eb]Umpelev Valerij Leonidovich[Eb]Kamaleeva Rimma Grunovna[Eb]Eremeev Dmitrij Nikolaevich[Eb]

(73)

Holder

Fedjaev Fedor Fedorovich[Eb]Fedjaev Dmitrij Fedorovich[Eb]Umpelev Valerij Leonidovich[Eb]Kamaleeva Rimma Grunovna[Eb]Eremeev Dmitrij Nikolaevich[Eb]

METHOD OF IMPROVING SOIL Russian patent published in 1997 - IPC

Abstract RU 2091423 C1

FIELD: land reclamation. SUBSTANCE: invention relates to inorganic melioration agents applicable chiefly in hothouse olericulture. Method consists in mixing opal-cristobalite rock crushed to 1-2 mm particle size with standard peat-sawdust substrate and introducing prepared mixture into soil in amount 10 to 20%. EFFECT: improved structure and productivity of soils. 2 tbl

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RU 2 091 423 C1

Authors

Fedjaev Fedor Fedorovich[Eb]

Fedjaev Dmitrij Fedorovich[Eb]

Umpelev Valerij Leonidovich[Eb]

Kamaleeva Rimma Grunovna[Eb]

Eremeev Dmitrij Nikolaevich[Eb]

Dates

1997-09-27—Published

1995-04-18—Filed