Počet záznamů: 1

Long-term animal impact modifies potential production of N.sub.2./sub.O from pasture soil

  1. 1.
    0333997 - BC-A 2010 RIV NL eng J - Článek v odborném periodiku
    Brůček, Petr - Šimek, Miloslav - Hynšt, Jaroslav
    Long-term animal impact modifies potential production of N2O from pasture soil.
    Biology and Fertility of Soils. Roč. 46, č. 1 (2009), s. 27-36 ISSN 0178-2762
    Grant CEP: GA MŠk LC06066; GA AV ČR IAA600660605
    Výzkumný záměr: CEZ:AV0Z60660521
    Klíčová slova: nitrous oxide * nitrate * emissions
    Kód oboru RIV: EH - Ekologie - společenstva
    Impakt faktor: 1.757, rok: 2009

    At cattle overwintering areas, inputs of nutrients in animal excrements create conditions favourable for intensive microbial activity in soil. During nitrogen transformations, significant amounts of N2O are released, which makes overwintering areas important sources of N2O emission. In previous studies, however, increasing intensity of long-term cattle impact did not always increase emissions of N2O from the soil: in some cases, N2O emissions from the soil were lower at the most impacted area than at the moderately impacted one. Thus, the relationships between the level of long-term animal impact and potential production of N2O from soil by denitrification were investigated in field and laboratory experiments. Field measurements indicated that the production of N2O after glucose and nitrate amendments was greater in severely and moderately impacted locations than in an unimpacted location.
    Trvalý link: http://hdl.handle.net/11104/0178845