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2 538 391

(13)

(51)

IPC

C05F3/00(2006-01-01)

(21) (22)

Application

2012134594/13, 2012-08-13

(24)

Start date

2012-08-13

(22)

Actual filing date

2012-08-13

(45)

Published

2015-01-10

(72)

Inventor

Subbotina Marija GeorgievnaMikhajlova Ljudmila Arkad'Evna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennaja Sel'Skokhozjajstvennaja Akademija Imeni D.P. Prjanishnikova"

PHOSPHATE FERTILISER Russian patent published in 2015 - IPC C05F3/00

Abstract RU 2538391 C2

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. Phosphate fertiliser consists of ash, obtained by thermal processing of biological wastes, with biological wastes consisting of bodies of animals, birds, fish, formed at enterprises, carrying out production and processing of meat, poultry and fish production, which has the following chemical composition, in percent per air-dry substance: CaO 19.1-31.9, P₂O₅ 15.7-23.0, SiO₂ 10.1-22.5, K₂O 1.4-2.7, Na₂O 1.6-2.7, MgO 0.7-2.2, MnO₂ 0.01-0.1, Fe₂O₃ 0.4-5.3, Al₂O₃ 0.3-1.4.

EFFECT: invention makes it possible to increase soil fertility and productivity of crops, as well as to increase economical effectiveness of agricultural production.

8 tbl, 1 ex

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RU 2 538 391 C2

Authors

Subbotina Marija Georgievna

Mikhajlova Ljudmila Arkad'Evna

Dates

2015-01-10—Published

2012-08-13—Filed