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Janjo de Haan

ir.

    20002021
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    Fingerprint Dive into the research topics where Janjo de Haan is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

    • 54 Similar Researchers
    Netherlands Agriculture & Biology
    organic production Agriculture & Biology
    farming systems Agriculture & Biology
    vegetable growing Agriculture & Biology
    leeks Agriculture & Biology
    farming system Earth & Environmental Sciences
    organic farming Earth & Environmental Sciences
    vegetables Agriculture & Biology

    Network Recent external collaboration on country level. Dive into details by clicking on the dots.

    Research Output 2000 2019

    Basis voor het meten van bodemkwaliteit: Integrale benadering door doelgerichte indicatoren en kosteneffectieve meetmethoden

    de Haan, J. J., Hanegraaf, M. C., van den Elsen, H. G. M. & Visser, S. M., Aug 2019, In : Bodem. 4, p. 13-15

    Research output: Contribution to journal › Article › Professional

    Bodemkwaliteitsbeoordeling van landbouwgronden in Nederland - indicatorset en systematiek, versie 1.0

    Hanegraaf, M., van den Elsen, E., de Haan, J. & Visser, S., 2019, Wageningen. 18 p. (Rapport WPR; no. 795)

    Research output: Book/Report › Report › Professional

    Open Access

    Conventional and organic soil management as divergent drivers of resident and active fractions of major soil food web constituents

    Harkes, P., Suleiman, A. K. A., van den Elsen, S. J. J., de Haan, J. J., Holterman, M., Kuramae, E. E. & Helder, J., 18 Sep 2019, In : Scientific Reports. 9, 1, 13521.

    Research output: Contribution to journal › Article › Academic › peer-review

    Open Access
    Food Chain
    Soil
    Carbon Cycle
    Biodiversity
    Fertilizers

    Klimaat

    de Haan, J. J., 2019, In : ViP - Van Iperen Magazine. 1, p. 7-7

    Research output: Contribution to journal › Article › Professional

    Open Access

    Leek production in conventional and organic arable-vegetable rotations in the Netherlands

    De Haan, J. J., Wesselink, M. & Verstegen, H. A. G., 2019, In : Acta Horticulturae. 1253, p. 351-358 8 p.

    Research output: Contribution to journal › Article › Academic › peer-review

    leeks
    Netherlands
    leaching
    vegetables
    surpluses

    Datasets

    Effect van organische stofbeheer op opbrengst, bodemkwaliteit en stikstofverliezen op een zuidelijke zandgrond

    de Haan, J. (Creator), Wesselink, M. (Creator), van Dijk, W. (Creator), Verstegen, H. (Creator), van Geel, W. (Creator), van den Berg, W. (Creator), Wageningen Plant Research, 10 Apr 2018

    DOI: 10.17026/dans-27s-zkxe

    Dataset

    Biologische teelt op een zuidelijke zandgrond: opbrengst, bemesting, bodemkwaliteit en stikstofverliezen

    de Haan, J. (Creator), Wesselink, M. (Creator), van Dijk, W. (Creator), Verstegen, H. (Creator), van Geel, W. (Creator), van den Berg, W. (Creator), Wageningen Plant Research, 10 Apr 2018

    DOI: 10.17026/dans-x3n-64rp

    Dataset

    Activities 2006 2019

    Biologische teelt op zandgrond: ervaringen uit het systeemonderzoek te Vredepeel

    J.J. de Haan (Speaker), M. Wesselink (Speaker)
    24 Jan 2019

    Activity: Talk or presentation › Oral presentation

    1-3 Uitwisselingsbijeenkomst bodemkwaliteitsinstrumenten

    J.J. de Haan (Speaker), L.P.G. Molendijk (Contributor), M. Wesselink (Contributor)
    10 Dec 2018

    Activity: Talk or presentation › Public lecture/debate/seminar

    Bodemkwaliteit op zand 2011-2016: Resultaten gangbare en biologische bedrijfssystemen rond opbrengsten, bodemkwaliteit, bemesting en uitspoeling

    J.J. de Haan (Speaker)
    7 Mar 2018

    Activity: Talk or presentation › Oral presentation

    Long-term Farming Systems Research in the SE of The Netherlands: Vredepeel

    J.J. de Haan (Speaker), M. Wesselink (Speaker), H.A.G. Verstegen (Speaker)
    22 May 2018

    Activity: Talk or presentation › Oral presentation

    Long-term effects of phosphate fertilization on crop yields, soil and leaching: Phosphate trial Lelystad

    J.J. de Haan (Speaker), W.C.A. van Geel (Contributor), P.A.I. Ehlert (Contributor)
    21 May 2018

    Activity: Talk or presentation › Public lecture/debate/seminar

    Press / Media

    Meer organische stof betekent meer vocht

    Marjoleine Hanegraaf & Janjo de Haan

    11/05/19

    1 item of media coverage

    Press/Media: Expert Comment

    Collectieve kennis vraagt nieuwe samenwerking

    Janjo de Haan

    31/01/19

    1 item of media coverage

    Press/Media: Expert Comment

    Spelen met meer variabelen voor op peil houden organische stof

    Janjo de Haan

    28/11/18

    1 media contribution

    Press/Media: Research

    Teelt de grond uit oplossing voor droogte?

    Janjo de Haan

    9/11/18

    1 item of media coverage

    Press/Media: Expert Comment

    Telers kunnen meer uit groenbemesters halen

    Janjo de Haan & Brigitte Kroonen-Backbier

    30/08/18

    1 item of media coverage

    Press/Media: Expert Comment

    Projects 2008 2021

    AF-18156 Call NRO SIA (BO-47-001-058)

    de Haan, J.

    1/01/19 → 31/12/21

    Project: EZproject

    1-2D-6 Development of a system for measuring soil quality to be used in EJP-soil (KB-34-008-006)

    de Haan, J.

    1/01/19 → 31/12/19

    Project: EZproject

    SL Bodem en Klimaat kennis gerelateerd aan de PPS Beter Bodembeheer: integrale benadering 2.2e (BO-53-002-008)

    de Haan, J.

    1/01/18 → 31/12/19

    Project: EZproject

    NWO 3 Unravelling the mechanisms underlying health and productivity promoting agricultural practices by fine-mapping rhizosphere communities (BO-50-003-010, BO-25.10-004-004)

    de Haan, J.

    1/01/15 → 31/12/19

    Project: EZproject

    Bodemkwaliteit op dalgrond (BO-31.03-001-021)

    de Haan, J.

    1/01/13 → 31/12/20

    Project: EZproject