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  1. Article ; Online: Lower nitrate leaching from dairy cattle slurry compared to synthetic fertilizer calcium ammonium nitrate applied to grassland.

    de Boer, Herman C / van Mullekom, Mark / Smolders, Alfons J P

    Environmental pollution (Barking, Essex : 1987)

    2023  Volume 344, Page(s) 123088

    Abstract: Nitrate leaching from agriculture can be reduced by the choice of fertilizer and a proper timing of its application. For permanent grassland grown under temperate conditions, nitrate leaching was hypothesized to be lower from dairy cattle slurry (CS) ... ...

    Abstract Nitrate leaching from agriculture can be reduced by the choice of fertilizer and a proper timing of its application. For permanent grassland grown under temperate conditions, nitrate leaching was hypothesized to be lower from dairy cattle slurry (CS) compared to synthetic fertilizer calcium ammonium nitrate (CAN), based on differences in chemical composition, consequential effects on nitrogen (N) conversion processes in soil, and resulting differences in synchronization of (nitrate) N availability and plant N uptake. We tested the hypothesis in a two-year field experiment on cut grassland on a leaching-sensitive sandy soil, fertilized each year with 320 kg ha
    MeSH term(s) Animals ; Cattle ; Nitrates ; Fertilizers ; Grassland ; Agriculture ; Nitrogen ; Sand ; Water ; Soil ; Quaternary Ammonium Compounds
    Chemical Substances calcium ammonium nitrate (15245-12-2) ; Nitrates ; Fertilizers ; Nitrogen (N762921K75) ; Sand ; Water (059QF0KO0R) ; Soil ; Quaternary Ammonium Compounds
    Language English
    Publishing date 2023-12-05
    Publishing country England
    Document type Journal Article
    ZDB-ID 280652-6
    ISSN 1873-6424 ; 0013-9327 ; 0269-7491
    ISSN (online) 1873-6424
    ISSN 0013-9327 ; 0269-7491
    DOI 10.1016/j.envpol.2023.123088
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2599: Show issues Location:
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  2. Article ; Online: Lower nitrate leaching from dairy cattle slurry compared to synthetic fertilizer calcium ammonium nitrate applied to grassland

    de Boer, Herman C. / van Mullekom, Mark / Smolders, Alfons J.P.

    Environmental Pollution

    2024  Volume 344

    Abstract: Nitrate leaching from agriculture can be reduced by the choice of fertilizer and a proper timing of its application. For permanent grassland grown under temperate conditions, nitrate leaching was hypothesized to be lower from dairy cattle slurry (CS) ... ...

    Abstract Nitrate leaching from agriculture can be reduced by the choice of fertilizer and a proper timing of its application. For permanent grassland grown under temperate conditions, nitrate leaching was hypothesized to be lower from dairy cattle slurry (CS) compared to synthetic fertilizer calcium ammonium nitrate (CAN), based on differences in chemical composition, consequential effects on nitrogen (N) conversion processes in soil, and resulting differences in synchronization of (nitrate) N availability and plant N uptake. We tested the hypothesis in a two-year field experiment on cut grassland on a leaching-sensitive sandy soil, fertilized each year with 320 kg ha−1 of plant-available N from either 100% top-dressed CAN or a combination of 40% from CAN and 60% from sod-injected CS, and measured effects on grass herbage yield, herbage N uptake, and nitrate concentration in pore water at 1.0 m depth. Our results show a comparable level of herbage N uptake for both treatments, allowing for a proper comparison of nitrate leaching at a similar level of plant-available N. Average nitrate concentration in pore water in the main leaching period (over winter) was after the first ‘dry’ growing season 44% lower for CS + CAN (41 mg l−1) compared to CAN only (73 mg l−1), and after the second ‘wet’ growing season 35% lower for CS + CAN (32 mg l−1) compared to CAN only (49 mg l−1). Nitrogen application increased nitrate concentration at 1.0 m depth not only in winter but also in the growing season. We conclude that for permanent grasslands in temperate regions, nitrate leaching from timely applied CS may be considerably lower than from CAN, which is different from previous assumptions.
    Keywords Life Science
    Subject code 580
    Language English
    Publishing country nl
    Document type Article ; Online
    ZDB-ID 280652-6
    ISSN 1873-6424 ; 0013-9327 ; 0269-7491
    ISSN (online) 1873-6424
    ISSN 0013-9327 ; 0269-7491
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    In stock of ZB MED Cologne/Königswinter

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  3. Book ; Online: Nitraatuitspoeling uit gemaaid grasland op uitspoelingsgevoelige zandgrond

    de Boer, Herman / van Mullekom, Mark / van Doorn, Jelmer / Smolders, Fons

    Effecten van strooien van zeoliet en vervanging van kunstmest KAS door rundveedrijfmest

    2022  

    Keywords Life Science
    Language Dutch
    Publisher Wageningen Livestock Research
    Publishing country nl
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article: New Anaerobic, Ammonium-Oxidizing Community Enriched from Peat Soil

    Hu, Bao-lan / Rush, Darci / van der Biezen, Erwin / Zheng, Ping / van Mullekom, Mark / Schouten, Stefan / Sinninghe Damsté, Jaap S / Smolders, Alfons J.P / Jetten, Mike S.M / Kartal, Boran

    Applied and environmental microbiology. 2011 Feb. 1, v. 77, no. 3

    2011  

    Abstract: Anaerobic ammonium-oxidizing (anammox) bacteria have been recognized as an important sink for fixed nitrogen and are detected in many natural environments. However, their presence in terrestrial ecosystems has long been overlooked, and their contribution ...

    Abstract Anaerobic ammonium-oxidizing (anammox) bacteria have been recognized as an important sink for fixed nitrogen and are detected in many natural environments. However, their presence in terrestrial ecosystems has long been overlooked, and their contribution to the nitrogen cycling in natural and agricultural soils is currently unknown. Here we describe the enrichment and characterization of anammox bacteria from a nitrogen-loaded peat soil. After 8 months of incubation with the natural surface water of the sampling site and increasing ammonium and nitrite concentrations, anammox cells constituted 40 to 50% of the enrichment culture. The two dominant anammox phylotypes were affiliated with "Candidatus Jettenia asiatica" and "Candidatus Brocadia fulgida." The enrichment culture converted NH4+ and NO2− to N2 with the previously reported stoichiometry (1:1.27) and had a maximum specific anaerobic ammonium oxidation rate of 0.94 mmol NH4+·g (dry weight)−1·h−1 at pH 7.1 and 32°C. The diagnostic anammox-specific lipids were detected at a concentration of 650 ng·g (dry weight)−1, and pentyl-[3]-ladderane was the most abundant ladderane lipid.
    Keywords agricultural soils ; bacteria ; biogeochemical cycles ; ecosystems ; enrichment culture ; lipid content ; lipids ; nitrites ; nitrogen ; oxidation ; pH ; peat soils ; stoichiometry ; surface water
    Language English
    Dates of publication 2011-0201
    Size p. 966-971.
    Publishing place American Society for Microbiology
    Document type Article
    Note Includes references
    ZDB-ID 223011-2
    ISSN 1098-5336 ; 0099-2240
    ISSN (online) 1098-5336
    ISSN 0099-2240
    DOI 10.1128/AEM.02402-10
    Database NAL-Catalogue (AGRICOLA)

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  5. Article ; Online: New anaerobic, ammonium-oxidizing community enriched from peat soil.

    Hu, Bao-lan / Rush, Darci / van der Biezen, Erwin / Zheng, Ping / van Mullekom, Mark / Schouten, Stefan / Sinninghe Damsté, Jaap S / Smolders, Alfons J P / Jetten, Mike S M / Kartal, Boran

    Applied and environmental microbiology

    2010  Volume 77, Issue 3, Page(s) 966–971

    Abstract: Anaerobic ammonium-oxidizing (anammox) bacteria have been recognized as an important sink for fixed nitrogen and are detected in many natural environments. However, their presence in terrestrial ecosystems has long been overlooked, and their contribution ...

    Abstract Anaerobic ammonium-oxidizing (anammox) bacteria have been recognized as an important sink for fixed nitrogen and are detected in many natural environments. However, their presence in terrestrial ecosystems has long been overlooked, and their contribution to the nitrogen cycling in natural and agricultural soils is currently unknown. Here we describe the enrichment and characterization of anammox bacteria from a nitrogen-loaded peat soil. After 8 months of incubation with the natural surface water of the sampling site and increasing ammonium and nitrite concentrations, anammox cells constituted 40 to 50% of the enrichment culture. The two dominant anammox phylotypes were affiliated with "Candidatus Jettenia asiatica" and "Candidatus Brocadia fulgida." The enrichment culture converted NH(4)(+) and NO(2)(-) to N(2) with the previously reported stoichiometry (1:1.27) and had a maximum specific anaerobic ammonium oxidation rate of 0.94 mmol NH(4)(+)·g (dry weight)(-1)·h(-1) at pH 7.1 and 32°C. The diagnostic anammox-specific lipids were detected at a concentration of 650 ng·g (dry weight)(-1), and pentyl-[3]-ladderane was the most abundant ladderane lipid.
    MeSH term(s) Bacteria, Anaerobic/classification ; Bacteria, Anaerobic/genetics ; Bacteria, Anaerobic/isolation & purification ; Bacteria, Anaerobic/physiology ; Bacteriological Techniques ; Culture Media ; Ecosystem ; In Situ Hybridization, Fluorescence ; Lipids/analysis ; Molecular Sequence Data ; Netherlands ; Nitrites/metabolism ; Oxidation-Reduction ; Quaternary Ammonium Compounds/metabolism ; RNA, Ribosomal, 16S/genetics ; Sequence Analysis, DNA ; Soil Microbiology ; Species Specificity
    Chemical Substances Culture Media ; Lipids ; Nitrites ; Quaternary Ammonium Compounds ; RNA, Ribosomal, 16S
    Language English
    Publishing date 2010-12-10
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 223011-2
    ISSN 1098-5336 ; 0099-2240
    ISSN (online) 1098-5336
    ISSN 0099-2240
    DOI 10.1128/AEM.02402-10
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 201: Show issues Location:
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