METHOD OF EVALUATING ENVIRONMENTAL SAFETY OF UNCONVENTIONAL SEWAGE SLUDGE BASED FERTILISERS Russian patent published in 2013 - IPC G01N33/00 

Abstract RU 2486506 C1

FIELD: chemistry.

SUBSTANCE: laboratory experiments employ soil modified with unconventional organic fertilisers in recommended doses. A soil sample which is not modified with unconventional organic fertilisers, having a similar grain-size distribution and agrochemical properties, is used as a reference.

EFFECT: invention increases objectiveness of obtained results when evaluating possible toxicity of unconventional organic fertilisers.

2 tbl, 3 ex

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RU 2 486 506 C1

Authors

Maljuta Ol'Ga Vasil'Evna

Kraeva Natal'Ja Konstantinovna

Grigor'Eva Alena Rudikovna

Dates

2013-06-27Published

2011-12-26Filed