Betekenis van:
nitrification

nitrification
Zelfstandig naamwoord
  • nitrificatie
  • the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)

Hyperoniemen

nitrification
Zelfstandig naamwoord
    • the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound)

    Hyperoniemen


    Voorbeeldzinnen

    1. Nitrification inhibitors
    2. nitrification inhibition test
    3. Nitrification and urease inhibitors
    4. CcHhClclNnNanaOoPpSs without nitrification,
    5. Type designation and composition of the nitrification inhibitor
    6. Description of nitrification inhibitors with which mixtures are allowed
    7. Fertilisers to which a nitrification inhibitor listed in Table F.1. has been added shall have the words “with nitrification inhibitor ([type designation of nitrification inhibitor])” added to their type designation.
    8. To allow greater access to the agronomic and environmental benefits of nitrification or urease inhibitors, the use of nitrification or urease inhibitors should be allowed for most types of nitrogen fertilisers, and more types of inhibitors should be allowed.
    9. Other types of EC fertiliser may contain nitrogen in a different form for which nitrification inhibitors are not effective.
    10. Determination of O2 by the Winkler method before and after five days incubation in complete darkness at 20 ± 1 °C (nitrification should not be inhibited)
    11. A list of authorised nitrification and urease inhibitors should therefore be introduced in Annex I to Regulation (EC) No 2003/2003.
    12. The study may be replaced by a nitrification inhibition test if available data show that the substance is likely to be an inhibitor of microbial growth or function, in particular nitrifying bacteria.
    13. As regards two EC fertiliser types listed in Annex I to Regulation (EC) No 2003/2003, the addition of dicyandiamide, one of a number of substances known as nitrification inhibitors, may prevent any such potential harm to the environment.
    14. In order to diminish the risk of toxicity due to non-ionised ammonia, of oxygen consumption due to nitrification and of eutrophication, the concentrations of total ammonium should not exceed the following:
    15. New nitrification inhibitors or urease inhibitors may be included in the Tables F1 or F2 respectively after evaluation of the technical files submitted in accordance with guidelines to be elaborated for these compounds.