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Activities 2008 2019

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Public lecture/debate/seminar

Substrates properties and irrigation rules

Erik van Os (Speaker), Chris Blok (Speaker)
5 Sep 2019

Activity: Talk or presentationPublic lecture/debate/seminar

Voeding 2.0: bemestingsadvies potplanten

Chris Blok (Speaker), Romain Leyh (Speaker), Wim Voogt (Speaker), Ellen Beerling (Speaker)
2018

Activity: Talk or presentationPublic lecture/debate/seminar

Strategy to minimise nitrogen load to finish a zero discharge cultivation

R.B.S. Leyh (Speaker), E.A. van Os (Speaker), C. Blok (Speaker), J.P.M. van Ruijven (Speaker), Ruud Kaarsemaker (Speaker)
15 Aug 2018

Activity: Talk or presentationPublic lecture/debate/seminar

Nutriënten monitoring- en bewakingssysteem voor substraatteelten

Wim Voogt (Speaker), Romain Leyh (Speaker), Chris Blok (Speaker), Ellen Beerling (Speaker)
5 Oct 2017

Activity: Talk or presentationPublic lecture/debate/seminar

Zero discharge of nutrients and pesticides to the environment in hydroponic production

E.A. van Os (Contributor), E.A.M. Beerling (Contributor), C. Blok (Contributor), J. Janse (Contributor), R.B.S. Leyh (Contributor), J.P.M. van Ruijven (Contributor), M. van der Staaij (Contributor), R. Kaarsemaker (Contributor)
2017

Activity: Talk or presentationPublic lecture/debate/seminar

Emissieloos Telen Uitdagingen bij volledig recirculeren

J.P.M. van Ruijven (Speaker), E.A. van Os (Contributor), E.A.M. Beerling (Contributor), J. Janse (Contributor), C. Blok (Contributor), R.B.S. Leyh (Contributor)
6 Feb 2017

Activity: Talk or presentationPublic lecture/debate/seminar

Verbeterde natriumtolerantie bij het gebruik van humaten?

Chris Blok (Speaker), Barbara Eveleens-Clark (Speaker), Wim Voogt (Speaker), Ellen Beerling (Speaker)
5 Oct 2017

Activity: Talk or presentationPublic lecture/debate/seminar

Increasing the confidence in water quality of recirculating nutrient solutions in soilless cultivations

Ellen Beerling (Speaker), Chris Blok (Speaker), Romain Leyh (Speaker), Wim Voogt (Speaker)
29 Oct 2017

Activity: Talk or presentationPublic lecture/debate/seminar

Emissieloos Telen Uitdagingen bij volledig recirculeren

J.P.M. van Ruijven (Speaker), E.A. van Os (Contributor), E.A.M. Beerling (Contributor), J. Janse (Contributor), C. Blok (Contributor), R.B.S. Leyh (Contributor)
12 Jan 2017

Activity: Talk or presentationPublic lecture/debate/seminar

Attero / Pokon Naturado: Experimenten met veenalternatieven in potgrondmengsels. Begonia and Chrysanthemum

Chris Blok (Speaker)
21 Jan 2016

Activity: Talk or presentationPublic lecture/debate/seminar

Attero / Pokon Naturado: plant experiments with substrate mixes : Begonia and Chrysanthemum

Chris Blok (Speaker)
21 Jan 2016

Activity: Talk or presentationPublic lecture/debate/seminar

Recirculatie zonder uitstoot en Natrium

Chris Blok (Speaker)
6 Oct 2016

Activity: Talk or presentationPublic lecture/debate/seminar

Rooting Media Skills

Chris Blok (Speaker)
10 Feb 2016

Activity: Talk or presentationPublic lecture/debate/seminar

Fertilisation, nutrient solutions and calculations of recipes

Chris Blok (Speaker)
28 Jan 2016

Activity: Talk or presentationPublic lecture/debate/seminar

Rooting Media Skills

Chris Blok (Speaker)
18 Feb 2016

Activity: Talk or presentationPublic lecture/debate/seminar

Fertilisation, nutrient solutions and calculations of recipes

Chris Blok (Speaker)
10 Feb 2016

Activity: Talk or presentationPublic lecture/debate/seminar

The Jordan Hydroponic Green Farming Project. Experiences from the First Wageningen UR field trip

Chris Blok (Speaker)
16 May 2015

Activity: Talk or presentationPublic lecture/debate/seminar

Pokon Naturado: plant experiments with substrate mixes : Begonia and Chrysanthemum

Chris Blok (Speaker)
Sep 2015

Activity: Talk or presentationPublic lecture/debate/seminar

PWN – T:Testing humates for use in horticulture

Chris Blok (Speaker)
30 Sep 2015

Activity: Talk or presentationPublic lecture/debate/seminar

Chances for biochar, torrefactie and pyrolys

Chris Blok (Speaker)
2015 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Local growing, humid tropics

Chris Blok (Speaker)
15 Jan 2015 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Project Goed Gietwater: oplossingen voor plantenkwekers

Chris Blok (Speaker)
15 Dec 2015

Activity: Talk or presentationPublic lecture/debate/seminar

BCO: Biochar, preliminary results

Chris Blok (Speaker)
27 Aug 2015

Activity: Talk or presentationPublic lecture/debate/seminar

Investeringsvolgorde.De ervaringen van Kenya, Egypte en Jordanie

Chris Blok (Speaker)
12 Dec 2015

Activity: Talk or presentationPublic lecture/debate/seminar

BCO: Biochar, preliminary results

Chris Blok (Speaker)
10 Jun 2015

Activity: Talk or presentationPublic lecture/debate/seminar

GAS DIFFUSION : Carbon dioxide fertilisation of sport turf

Chris Blok (Speaker)
10 Mar 2015

Activity: Talk or presentationPublic lecture/debate/seminar

Horticultural Skills

Chris Blok (Speaker)
26 Aug 2015

Activity: Talk or presentationPublic lecture/debate/seminar

Het gebruik van uitvloeiers met het oog op Champignoncultuur

Chris Blok (Lecturer)
16 Mar 2014

Activity: Talk or presentationPublic lecture/debate/seminar

Training Module Soilless Culture

Chris Blok (Speaker)
7 Nov 2014 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Developments in Dutch Greenhouse Horticultural Research

Chris Blok (Speaker)
2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Fertilisation and Future

Chris Blok (Speaker)
16 Apr 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Nutrient management

Chris Blok (Speaker)
19 Mar 201320 Mar 2013

Activity: Talk or presentationPublic lecture/debate/seminar

Growing Media and Soilless Culture - The mission of GroSci2013

Chris Blok (Speaker)
17 Jun 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Goed Gietwater

Chris Blok (Speaker)
5 Feb 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Minimal discharge and zero discharge in Greenhouse growing

Chris Blok (Speaker)
10 Oct 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Developments in Dutch Greenhouse Horticultural Research

Chris Blok (Speaker)
16 Oct 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Nutrient management

Chris Blok (Speaker)
16 Apr 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Are growing media a must in organic greenhouse production?

Chris Blok (Speaker)
24 Jun 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Optimalisatie bemesting

Chris Blok (Speaker)
8 Oct 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Goed Gietwater

Chris Blok (Speaker)
27 Mar 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Minimal discharge and zero discharge in Greenhouse vegetable growing

Chris Blok (Speaker)
7 Oct 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Ion-specifiek meten

Chris Blok (Speaker)
8 Oct 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Sensor guided treatment and adaptation of water in horticulture

Chris Blok (Speaker)
9 Sep 201310 Sep 2013

Activity: Talk or presentationPublic lecture/debate/seminar

Ion Specifiek sturen. Komkommerteelt, NH4-dosering

Chris Blok (Speaker)
4 Nov 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Welcome. On behalf of the Organising Committee. GROwing media and Soilless Culture symposium

Chris Blok (Speaker)
17 Jun 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Dutch Greenhouse Horticultural Research

Chris Blok (Speaker)
3 May 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Fertilisation and Future

Chris Blok (Speaker)
19 Mar 2013 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Goed Gietwater

Chris Blok (Speaker)
3 Oct 2012 → …

Activity: Talk or presentationPublic lecture/debate/seminar

Substrate Background Knowledge

Chris Blok (Speaker)
29 Oct 2012 → …

Activity: Talk or presentationPublic lecture/debate/seminar