کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8893853 1629384 2019 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of micro-molar H2O2 on inhibiting soil nitrification
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
Effects of micro-molar H2O2 on inhibiting soil nitrification
چکیده انگلیسی
Microcosm experiments were conducted to examine the effects of micro-molar hydrogen peroxide (H2O2) on soil nitrification in three scenarios: (a) without added fresh biomass and magnetite, (b) with added fresh biomass, and (c) with added magnetite. The results show that nitrification of the added ammonium was impeded in the presence of H2O2 at a concentration range of 20-50 μM probably as a result of weakened activities of ammonia-oxidizing microbes due to oxidative stress caused by H2O2 and possibly hydroxyl radical (OH). Application of grass clippings or magnetite enhanced the effects of H2O2 on inhibiting soil nitrification. The research findings obtained from this study have implications for understanding the complication of soil nitrification by rainwater-borne H2O2 during flood events and developing cost-effective and environmentally friendly techniques for nitrification inhibition in fertilized soils.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Geoderma - Volume 333, 1 January 2019, Pages 145-148
نویسندگان
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