Research output per year
Research output per year
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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.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Bemestingsadvies Commissie Bemesting Grasland en Voedergewassen: Versie 2023
Verstraten, J., van Middelkoop, J. C., Philipsen, A. P., van Dongen, C., Bussink, D. W., van der Bas, A., Velthof, G. L., de Haan, J. J., van Dijk, W., Brolsma, K. M. & van Eekeren, N., May 2023, Wageningen: Commissie Bemesting Grasland en Voedergewassen. 197 p.Research output: Book/Report › Report › Professional
Open Access -
Bodembeoordeling van landbouwgronden voor diverse ecosysteemdiensten : ontwikkeling van de BLN, versie 2.0
Ros, G. H., de Haan, J. J., Fuchs, L. M. & Molendijk, L., Aug 2023, Wageningen: Wageningen Plant Research. 89 p. (Rapport / Wageningen University & Research, Business unit Open Teelten; no. WPR-OT-1030)Research output: Book/Report › Report › Professional
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Bodemkrant PPS Beter Bodembeheer
de Haan, J. J., Korthals, G. W., Hanegraaf, M. C., Wesselink, M. & Sprangers, T., Jun 2023, 8 p. Wageningen Plant Research.Research output: Other contribution › Pamphlet
Open Access -
Bodemkwaliteitsmetingen 2021 in Bedrijvennetwerk Bodemmetingen: Bedrijvennetwerk Bodemmetingen
van Asperen, P., Vervuurt, W., Simonse, D., van Egmond, F. M., Korthals, G. W., van de Voorde, T. F. J., de Haan, J. J., Hanegraaf, M. C., Postma, J., Tolhoek, J., Zwijnenburg, A., Olijve, A. J., Teuling, K., Kurm, V., Brinkman, P., Bloem, J. & Beers, J., Mar 2023, Wageningen: Wageningen Plant Research. 72 p. (Rapport / Stichting Wageningen Research, Wageningen Plant Research, Business unit Open Teelten; no. WPR-OT 1001)Research output: Book/Report › Report › Professional
Open Access -
Boer, verdiep je in de bodem
de Haan, J. J., Apr 2023, In: Aardappelwereld. 77, 4, p. 11 1 p.Research output: Contribution to journal › Article › Professional
Datasets
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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
Dataset
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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
Dataset
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Biomass production and nutrient content of temperate cover crops
Selin Norén, I. (Creator), van Geel, W. (Creator), de Haan, J. (Creator), Dekkers, M. (Creator), Haagsma, W. (Creator), Wesselink, M. (Creator), Harms, I. (Creator) & Postma, R. (Creator), Wageningen University & Research, 14 Apr 2021
DOI: 10.4121/14412842
Dataset
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Data underlying the publication: "Overzicht maatregelen duurzaam bodembeheer"
de Haan, J. (Creator), Vervuurt, W. (Creator), van de Voorde, T. (Creator) & van der Gugten, A. (Creator), Wageningen University & Research, 1 Aug 2023
DOI: 10.4121/22087691
Dataset
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Data from: Reference values for arable crop residues: organic matter and C:N ratio
Selin Norén, I. (Creator), van Geel, W. (Creator), de Haan, J. (Creator), Harms, I. (Creator) & Postma, R. (Creator), Wageningen University & Research, 14 Dec 2022
DOI: 10.4121/21717965
Dataset
Activities
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Effect verlaagde fosfaataanvoer op het organische stofgehalte - Consequenties van de nieuwe fosfaatindicator op kleigrond
David de Wit (Speaker) & Janjo de Haan (Speaker)
2 Jan 2023Activity: Talk or presentation › Oral presentation › Professional
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Landscape on soil health assessments in the Netherlands
Fenny van Egmond (Speaker) & Janjo de Haan (Speaker)
13 Jun 2023Activity: Talk or presentation › Oral presentation › Professional
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EJP SOIL
Janjo de Haan (Organiser)
2 Feb 2022Activity: Participating in or organising an event › Participation in or organising a conference › Professional
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Webinar Kennisdag Beter Bodembeheer
Janjo de Haan (Organiser), Annabel Sikkes (Organiser) & Oane de Hoop (Organiser)
8 Feb 2022Activity: Participating in or organising an event › Participation in or organising a workshop, seminar, course › Professional
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Workshop Meten en beoordelen van Bodemkwaliteit
Janjo de Haan (Speaker) & Gerard Ros (Speaker)
8 Feb 2022Activity: Talk or presentation › Oral presentation › Professional
Press/Media
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Minder stikstofuitstoot: Landbouwinnovaties geven boer en natuur toekomst
Martin van Ittersum, Koos Verloop, Janjo de Haan & Jos Groten
14/11/23
1 Media contribution
Press/Media: Expert Comment › Professional
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Verbeterde cijfers voor berekenen organischestofbalans
Janjo de Haan & Willem van Geel
26/04/23
1 item of Media coverage
Press/Media: Expert Comment › Professional
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NKG zonder glyfosaat is uitdaging
18/04/23
1 item of Media coverage
Press/Media: Expert Comment › Professional
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'Nieuwe munitie discussie fosfaatruimte'
3/02/23
1 item of Media coverage
Press/Media: Expert Comment › Professional
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KD-2022-080 Maatregelen (pakket) die bijdragen aan duurzaam bodembeheer (BO-43-102.04-024)
1/01/22 → 31/12/23
Project: EZproject
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LWV20.042 PPS Beter Bodembeheer, integraal en naar de praktijk (BO-56-001-061)
1/01/21 → 31/12/23
Project: EZproject
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1-2D-6 Development of a system for measuring soil quality to be used in EJP-soil (KB-34-008-006)
1/01/19 → 31/12/19
Project: EZproject