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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.

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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

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Research Output 2000 2019

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/ReportReportProfessional

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 journalArticleAcademicpeer-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 journalArticleProfessional

Open Access

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 presentationOral presentation

PPS Beter bodembeheer 2017-2020

Janjo de Haan (Speaker), Joeke Postma (Speaker)
17 Jan 2019

Activity: Talk or presentationOral presentation

Organische stof

J.J. de Haan (Speaker)
27 Nov 2018

Activity: Talk or presentationOral presentation

1-3 Uitwisselingsbijeenkomst bodemkwaliteitsinstrumenten

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

Activity: Talk or presentationPublic lecture/debate/seminar

Nitraatuitspoeling meten door boeren Optie of utopie

J.J. de Haan (Speaker)
25 Jan 2018

Activity: Talk or presentationOral presentation

Press / Media

De keerzijde van bodemverbeteraar bokashi

Janjo de Haan

11/01/20

1 item of Media coverage

Press/Media: Expert Comment

'Bodemkwaliteit integraal waarderen is lastig'

Janjo de Haan

7/12/19

1 item of Media coverage

Press/Media: Expert Comment

Naar werkbaar instrument bodemkwaliteit

Janjo de Haan

3/12/19

1 item of Media coverage

Press/Media: Expert Comment

Meer organische stof betekent meer vocht

M.C. Hanegraaf & J.J. de Haan

11/05/19

1 item of Media coverage

Press/Media: Expert Comment

Collectieve kennis vraagt nieuwe samenwerking

J.J. de Haan

31/01/19

1 item of Media coverage

Press/Media: Expert Comment

Projects 2008 2021