Grond

Our stories

Read our stories

Soil
Concrete
Bio-based
Filters
  • vliegveld Tunesie
    Concrete

    INFRA - Construction of concrete pavement at Tozeur-Nefta International Airport in Tunisia

  • boer-gras.jpg
    Bio-based

    GROW SOLUTIONS - TerraPulse: 'From two to six cuts of grass in one year'

  • shutterstock_1067989727-klein.jpg
    Bio-based

    GROW SOLUTIONS - Fulvine, nature's transporter

  • agriculture-berry-close-up-color-298696-2000x1325.jpg
    Bio-based

    GROW SOLUTIONS - Everything about foliar fertilization

  • Meer-over-Mycorrhiza3b.jpg
    Bio-based

    GROW SOLUTIONS - Everything about Mycorrhiza

  • Meststoffen moeten zowel de bodem als de plant voeden
    Bio-based

    GROW SOLUTIONS - Everything about fertilizers

  • home-gardening-young-rucola-top-view-6427-2000x1333.jpg
    Bio-based

    GROW SOLUTIONS - Starting with organic fertilizers

  • onion-3540502_1920.jpg
    Bio-based

    GROW SOLUTIONS - OPF Granulate compared to other black granular fertilizers

  • IMG_20200229_152138-2000x1500.jpg
    Bio-based

    GROW SOLUTIONS - Fertilization under glass in winter

  • salad-264826_1280.jpg
    Bio-based

    GROW SOLUTIONS - Controlled fertilization during cultivation

  • Greenity-1.jpg
    Bio-based

    GROW SOLUTIONS - “Fertilizer is the source of disease and damage to the crop”

  • 10371-PHC-Mycorrhiza-Brochure-Drieluik-V3-NL-PRESS-b.jpg
    Bio-based

    GROW SOLUTIONS - Tracks VS. propagules

  • AgroAcid.jpg
    Bio-based

    GROW SOLUTIONS - Test: dissolve lime with PHC AgroAcid

  • Fertasa.jpg
    Bio-based

    GROW SOLUTIONS - Lecture: The difference between soil biology and root biology

  • EU-knipsel.jpg
    Bio-based

    GROW SOLUTIONS - Lecture: The effects of fertilizer use on our earth

  • grass-2149081_1920.jpg
    Bio-based

    GROW SOLUTIONS - Customer review - Improving water storage capacity and drought tolerance of plots

  • Green-Quest-2000x1333.jpg
    Bio-based

    PHC finalist The Green Quest

  • soft-fruits-3504149_1920.jpg
    Bio-based

    GROW SOLUTIONS - Improve calcium absorption and storage life with ProAct

  • Verslag-Aanpak-Slechte-Plekken-met-AgroAcid.jpg
    Bio-based

    Tackling bad spots with PHC AgroAcid

  • fort isabella brabob
    Concrete
    Soil

    BRABOB - Large-scale Soil Application Noise Barrier Fort Isabella in Vught

  • Delpy-1-1.jpg
    Bio-based

    GROW SOLUTIONS - Practical research into PHC fertilization strategy for tree nurseries

  • Poldervaart-screen-3.jpg
    Bio-based

    GROW SOLUTIONS - Visiting organic horticultural company Poldervaart

  • Almere-City.jpg
    Bio-based

    GROW SOLUTIONS - Biological fertilization on Almere City football fields

  • cherries-422468_960_720.jpg
    Bio-based

    GROW SULUTIONS - The effect of harpine protein on cherries

  • 34031_groot.jpg
    Bio-based

    GROW SOLUTIONS - Tree care: Using mycorrhizas when transplanting trees

  • RTLZ-1.jpg
    Bio-based

    PHC - A look behind the scenes at PHC

  • 34675_groot.jpg
    Bio-based

    GROW SOLUTIONS - 'Naturally Stronger': no judgment about chemistry, but an emphasis on healthy cultivation methods

  • omslagboom.jpg
    Bio-based

    GROW SOLUTIONS - Tree care / how does a tree in public space become 80 years old?

  • elektrische machine
    Concrete

    INFRA - The new electric mobile excavator DX165W: How does it drive?

  • alphen 1
    Concrete

    INFRA - Den Ouden Infra connects the road to the Alphen ferry with a uniquely designed bridge

  • zwammerdam
    Concrete

    BODAC - Archaeologists Den Ouden Bodac in the news with two studies

  • volledig elektrisch
    Soil
    Bio-based

    ORGANIC - First in the Netherlands: Den Ouden Organic collects green residual flows without emissions

  • composta
    Soil
    Bio-based

    ORGANIC - Den Ouden Organic and Rotary Son & Breugel and Best-Oirschot are organizing a compost campaign

  • volledig elektrisch
    Soil
    Bio-based

    ORGANIC - 'Investing in something smarter and better': Den Ouden takes in green residual flows without emissions

  • arseeninstallatie
    Concrete

    INFRA - Den Ouden Infra is building an arsenic removal plant for Brabant Water

  • Gijs die een container aan het lassen is
    Soil
    Concrete
    Bio-based

    GROUP - Take a look at mechanic Gijs

  • Pawel schept in de machine
    Soil
    Concrete
    Bio-based

    GROUP - Take a look at process operator Pawel

  • aangepaste openingstijden
    Soil
    Bio-based

    ORGANIC - Adjusted opening hours of production locations during carnival

  • civiele betonbouw den ouden groep
    Concrete

    INFRA - Renewal of the Watermolenbeek bank construction in Roosendaal

  • kantoor den ouden
    Concrete

    Den Ouden regrets violation of competition rules

  • workshop bodac
    Concrete

    BODAC- Workshop alert Den Ouden Bodac 24 en 25 april

  • composta
    Concrete
    Soil

    BraBob - Biological cleaning

  • treenovations
    Soil
    Bio-based

    ORGANIC - Den Ouden and Treebuilders are realizing the first TreeNovations growth sites

  • altena 1
    Concrete

    BODAC - (1/3) Historical preliminary research into the municipality of Altena highlighted

  • luchtfoto altena
    Concrete

    BODAC - (2/3) Historical preliminary research into the municipality of Altena highlighted

  • altena 1 arcgis
    Concrete

    BODAC - (3/3) Historical preliminary research into the municipality of Altena highlighted

  • Champagne op de start- en landingsbanen van Vliegbasis Leeuwarden
    Concrete

    INFRA - Big renovation at Airbase Leeuwarden is completed

  • organic 3
    Soil
    Bio-based

    ORGANIC - Den Ouden Organic and municipality Meijerstad join forces

  • spoorpark 1
    Concrete

    INFRA - Den Ouden Infra builds bridges in new rail park South in Amsterdam

  • william den ouden klein
    Soil
    Concrete
    Bio-based

    GROEP - Awareness Safety-day : William den Ouden introduces himself as ambassador of safety

  • landelijke opschoondag
    Soil
    Concrete
    Bio-based

    GROEP - national clean-up day: Den Ouden takes action for a clean public space

  • archeologie pva
    Concrete

    BODAC - Possible to combine archaeology research and historical preliminary research

  • meijel 1
    Concrete

    INFRA - No bridge to far: Reconstruction Heldensedijk / Meijelseweg with new bridge progresses

  • vossenpels 1
    Concrete

    BODAC - Den Ouden Bodac makes new neighbourhood in Nijmegen free of explosives

  • vlissingen 1
    Concrete

    BODAC - Den Ouden Bodac exposes two underground bunkers from WWII

  • kerstgroet 1
    Concrete

    BODAC - Christmas in the research of historical preliminary research

  • vossenpels 7
    Concrete

    BODAC - Students follow workshop historical preliminary research

  • historisch vooronderzoek
    Concrete

    BODAC - division historical preliminary researches international archive material

  • Jeroen van Berkel, uitvoerder bij Den Ouden
    Soil
    Concrete
    Bio-based

    GROEP - Take a look at worker Jeroen

  • vliegtuigberging
    Concrete

    BODAC - Den Ouden Bodac supports defence at aircraft storing in Alblasserdam

  • alphen nieuw 1
    Concrete

    INFRA - Special middle pillar bridge Alphen finally visible

  • beek-elsloo 1
    Concrete

    INFRA - reconstruction station area Beek-Esloo officially started

  • laboratory-2815641_1920-smal.jpg
    Soil
    Bio-based

    Research

  • vliegveld Dublin
    Concrete

    INFRA - Construction of 10,000 m² concrete aircraft platform - Dublin Airport

  • granaatontploffing afsluitdijk
    Concrete

    BODAC - Safety first: 3.7-inch grenade defused at the Afsluitdijk

  • eindhoven hastelweg
    Concrete

    INFRA - Renewal Hastelweg Eindhoven

  • omslagboom.jpg
    Soil
    Bio-based

    PHC- Boomzorg / Wie wird ein Baum im öffentlichen Raum 80 Jahre alt?

  • Green-Quest-2000x1333.jpg
    Soil
    Bio-based

    PHC-PHC finalist The Green Quest

  • sporen vs propagulen
    Soil
    Bio-based

    PHC trace VS propagules

  • AgroAcid PHC proef ei
    Soil
    Bio-based

    PHC Test: dissolving lime with PHC AgroAcid

  • Pius Floris kustmest bron van ziek en zeer voor het gewas
    Soil
    Bio-based

    PHC- Article: “Fertilizer is the source of sick and sore in the crop”

  • lezing effecten kunstmest PHC
    Soil
    Bio-based

    PHC Lecture: The Effects of Fertilizer Use on Our Earth

  • Lezing verschil bodem/wortelbiologie
    Soil
    Bio-based

    PHC Lecture: The difference between soil biology and root biology

  • bodemverbeteraars den ouden organic
    Soil
    Bio-based

    ORGANIC - Soil improvers and cover crops: definitions, differences and benefits

  • substraten den ouden organic
    Soil
    Bio-based

    ORGANIC - Delivery of landscape substrates to Rotterdam

  • bromtol Oosterhout den ouden groep
    Concrete

    INFRA - Reconstruction roundabout 'de Bromtol Oosterhout'

  • renovatie fietspad den ouden
    Concrete

    INFRA - Renovation cycle path Sint-Oedenrode

  • Civiele betonbouw den ouden groep
    Concrete

    INFRA - Newly built Parhelia Shed EBS Rotterdam

  • civiele betonbouw cuijk
    Concrete

    INFRA - Bicycle bridge Cuijk-Mook

  • corio glana sittard
    Concrete

    INFRA - All the space for the water in project Corio Glana Sittard

  • toverland den ouden
    Concrete

    INFRA - Expansion Toverland amusement park

  • Vogelbuurt Antwerpen West
    Concrete

    INFRA - Reconstruction Vogelbuurt West Alphen aan den Rijn

  • beekherstel de run
    Concrete

    INFRA - Execution of water storage and stream restoration Run Grootgoor

  • huizingalaan Eindhoven
    Concrete

    INFRA - HOV Huizingalaan Refurbishment in Eindhoven

  • Herinrichting kom Erp
    Concrete

    INFRA - Refurbishment of Erp N616

  • pso
    Soil
    Concrete
    Bio-based

    Den Ouden again on Step 2 on the PSO Performance Ladder

  • trede 4 vcl
    Soil
    Concrete
    Bio-based

    GROEP - Den Ouden behaalt Trede 4 Veiligheidscultuurladder

  • afvullijn
    Bio-based

    GROWSOLUTIONS - New liquid fertilizer filling line operational

  • appel
    Bio-based

    GROW SOLUTIONS - Improved fruit quality thanks to Colortect

  • Natuurlijk sterker.jpg

    PHC- 'Naturally Stronger': no judgement on chemicals, but emphasis on healthy cultivation methods

  • herinrichting Made centrum

    INFRA - Redesign of Made center

  • vliegveld Tunesie

    INFRA - Construction of runway Tunisia

  • biostimulants fof
    Soil
    Bio-based

    FERM O FEED - What are biostimulants and how do they work?

  • npk

    FERM O FEED - Fertilizer NPK numbers: how do they work?

  • soil ph blog

    FERM O FEED - Soil pH, what does it mean?

  • 4-3-3 bucket

    FERM O FEED - New: Fertiplus® Organic Fertilizers 4-3-3 Bucket

  • vliegveld Dublin

    INFRA - Construction of 10,000 m² concrete aircraft platform - Dublin Airport

  • vliegvelden den ouden
    Concrete

    INFRA - Runway renovation - Saba Airport

  • betonwegen

    INFRA - Redesign of the N395 Hilvarenbeek - Oirschot

  • corio glana sittard

    INFRA - All the space for water in project Corio Glana Sittard

    • Nederlands
    • English
    • Deutsch
    • Francais