André Poldervaart from Vierpolders has been growing fully organic tomatoes, peppers and cucumbers for 20 years. Cultivation advisor Menno Kamphuis takes us along on this successful cultivation.

Cultivation advisor Menno Kamphuis takes us along on this successful cultivation.

View customer experience

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Visiting organic horticultural company Poldervaart 

PHC- Visiting organic horticultural company Poldervaart 

Watch our company film (Dutch)

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Soil

Den Ouden Group

Den Ouden Infra focuses on the sustainable and integral design of green public spaces 

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Creating smart infrastructure

Den Ouden PHC nurtures both soil and plant life with green compost and organic fertilisers. 

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Caring for healthy soil

Den Ouden Organic produces local, renewable raw materials to replace minerals.

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Circular, biobased products

OUR STRATEGIC ACTIVITIES

Meet Den Ouden GrowSolutions at CAC Exhibition in China

Ferm O Feed and Plant Health Cure (PHC) are going to merge. As of 30 January 2023, both business units will continue together under the name Den Ouden GrowSolutions. &nbsp;

Ferm O Feed and PHC merge into Den Ouden GrowSolutions

Looking to learn about new cultivation solutions to realise optimal fruit growing? Then take your chance and visit us at Fruit Logistica 2023 in Berlin (Germany).

Meet Ferm O Feed PHC at Fruit Logistica 2023

Mycorrhizal fungi, a form of association between fungi and plants, are used when planting trees, which ensures optimisation.

PHC- Tree care: Using mycorrhizae when transplanting trees 

In order to remain in compliance with international agreements, Saba Airport had to take immediate safety and maintenance measures.

INFRA - Runway renovation - Saba Airport 

Our trusted and high-quality Organic Fertilizer 4-3-3 bag gets a little brother: the Fertiplus Organic Fertilizer 4-3-3 Bucket.

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

STORIES

We create solutions that contribute to a sustainable living environment. We do this with smart infrastructure, healthy soil and circular biobased products and services.

Discover more

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Sustainable growth starts with us

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Concrete

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Bio-based

We supply useful soil fungi and soil bacteria, as well as other products that make plants resilient and allow them to function better.

Go to PHC

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Plant Health Cure (PHC)

We grow soil. Expert in soil biology, mycorrhizae, bacteria and fungi. Production and worldwide distribution of solid and liquid organic fertilisers for healthy soil and plants. 

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Den Ouden PHC

Den Ouden Infra is capable of combining different disciplines in order to find quality, efficient and economic solutions.

Urban renewal and reconstruction

Den Ouden civil concrete construction contributes to reliable and accessible infrastructure and helps you find future-proof solutions.

Civil concrete construction 

Den Ouden betonwegen is an (inter)national specialist in the design and construction of concrete pavements.

Concrete roads 

Smart climate-adaptive landscaping restores the value of nature and the biodiversity.

Landscaping 

OUR INFRA ACTIVITIES

Den Ouden Infra focuses on the sustainable and integral planning of public spaces.

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Den Ouden Infra

You have scheduled land-breaking work activities in land that has not been disturbed since the war, or a suspicion exists that there are perhaps explosive remnants of war (OOs) still present in the soil?

Historical Preliminary Research & Risk Analysis

Bodac has years of experience in explosive detection and is a reliable partner when it comes to tracing and securing explosives.

Detecting explosives on land

For detecting and securing dormant explosive remnants of war in an underwater environment, BODAC has a team of specialists who handle the work with care.

Searching for explosives in the water

Archaeology is the science of studying the human past. Remnants of houses, burial grounds and fortifications are just a few of the important remains.

Archaeology

OUR BODAC ACTIVITIES 

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Airplane salvage

Securing explosives and the cultural historical value in the soil.

Oppervlaktedetectie en dieptedetectie

Den Ouden Bodac 

As an independent risk manager, Brabob offers a total concept. With this concept, we can eliminate your execution risks. Our package consists of supporting and facilitating customers with the qualification, excavation, transportation and application of reusable soil and dredging flows, the processing of consignments of contaminated soil and dredging sludge and the flawless management of environmental risks that accompany large-scale projects. Thanks to our expert insight, you will have more control over your material flows and project risks. In addition, we also guarantee optimal project results.

Every soil intervention demands professional management of soil flows and therefore requires an independent risk manager like BraBoB.

Mediation in soil flows and dredging sludge

OUR ACTIVITIES

As an independent risk manager, BraBoB offers a total concept. With this concept, we can eliminate your execution risks.

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Den Ouden Brabob

Together, we are working on making agriculture and horticulture future-proof, sustainable and circular.

Agriculture and horticulture

Plants for the world of tomorrow. Green public spaces that are sustainable, circular and able to adapt to the climate

Green public spaces

Biobased raw materials

On the road towards sustainable alternatives, together

Industry

Our main segments

Processes green waste flows (green waste) into compost, wood fibre, biochar, tree bark, substrate material, tree substrate, organic fuel and raw materials for material purposes.

Our segments

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Den Ouden Organic

An increasing world population, but a decreasing amount of fertility in our Earth’s soil. In many places and countries in the world food is or becomes scarce, because the human population exhausts the planet’s resources. We want to take care of this problem. Ferm O Feed, a company that belongs to Den Ouden Groep, is a producer of Organic solutions situated in the Netherlands. Our goal is to help the Earth maintaining its fertility by producing Organic solutions. Ferm O Feed products find their way all over the world; approximately 95 percent is exported to more than 75 countries. Soil and planet needs to maintain healthy and fertile. 

Manufacturer and distributor of agricultural solutions for soil and plants

Products

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Den Ouden Ferm O Feed

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Den Ouden Growsolutions is a one-stop-shop with one point of contact for all services, expertise and product (application) regarding soil and plant improvement instead of two points of contact.