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BSI PD ISO/TS 20131-1:2018

Soil quality. Simple laboratory assessments for characterizing the denitrification in soil -- Soil denitrifying enzymes activities
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BSI PD ISO/TS 20131-1:2018

Soil quality. Simple laboratory assessments for characterizing the denitrification in soil -- Soil denitrifying enzymes activities

PUBLISH DATE 2018
PAGES 22
BSI PD ISO/TS 20131-1:2018

This document specifies a laboratory test for characterizing the denitrifying enzyme activities in soils[5]. It globally characterizes the transformation of the nitrate form to the nitrous oxide and dinitrogen forms.

This method was first proposed by Reference [5] with the acronym DEA for Denitrifying Enzyme Activities. It is a standardized technique used in numerous scientific studies.

DEA estimates the process of denitrification of fresh soil samples incubated under optimal conditions of substrates (nitrate and carbon sources) and environment (anaerobiosis, controlled temperature) for the denitrification process.

The de novo enzyme synthesis is blocked by the use of chloramphenicol. DEA is believed to represent the size of the denitrifying enzyme pool present in the soil sample at the time of sample collection.

This test is performed in laboratory on a composite of sieved samples collected at the plot scale.

It can be performed on all types of soils sampled all over the year.

SDO BSI: British Standards Institution
Document Number ISO/TS 20131-1
Publication Date July 13, 2018
Language en - English
Page Count
Revision Level
Supercedes
Committee EH/4
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