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  • Pollinator fan

    To help the tomatoes

    Today we installed a small fan like those used for cooling the computers, but this one works at 220 v. Hermaphrodite tomato flowers need hard wind for pollination.
  • Urban Agriculture
  • Nature
  • Aquaponics
  • Mediamatic Biotoop Dijkspark Abhay Villa 28 Jun 2021

    Shitty Water + Wasabi - Snails = Money

    At the Mediamatic Greenhouse, we try to maximise the productivity of the little space we have by growing rare, collectable and valuable crops. All whilst strongly advocating for the advantages of...

  • Get rich with aquaponics

    Successful plants in our aquaponics greenhouse

    Having an aquaponic system in an unheated greenhouse creates very specific conditions for plants. Some of the plants love it; others not so much. As many of the plants we have sowed have reached...

  • Updates from the aquaponics

    Bad news, good news: a critical examination of what happened in the greenhouse

    The accident arises doubts on the ethic of this practice

  • Dealing with pests

    The pineapple sage infestation

    With the changing of the seasons and the drop in temperature, some plants in the unheated greenhouse become more susceptible to pests and infestations as they are perennial, such as the Pineapple...

  • Field Peas

    Growing field peas in an aquaponics greenhouse

    Although our shade cloth can cool the greenhouse on hot days, it is still nice to have some complete shade inside. We have created some extra shade by just using some string and field peas.

  • Energy needed

    We made a calculation of energy needed by our systems, this will give us an idea of how much we should produce and ​​how intensive should it be.

  • Nettle spray

    Natural remedy for aphids

    Today we made a natural remedy for our aphids plague. To do this you just have to pick some nettles and make a mixture with water. The approximate amount of nettles is 100 grams per liter of fresh...
  • Mediamatic Biotoop Dijkspark Abhay Villa 22 Mar 2021

    We are Growing Edible Flowers

    15 meters from farm to plate

    Mediamatic ETEN and the Aquaponics Farm together are aiding the growth of a project that started "rooting" its way into Mediamatic's collection a couple of years ago; and now with the arrival of this...

  • New nursery!

    Yesterday we built a new space for our small plants, we used recycled materials. The first nursery was not working very well because the environment was too cold for them. We installed a plastic...

  • Determining the optimal nitrogen level for the…

    Nitrogen is a key component in chlorophyll, so it plays a crucial role inside the plant: but what happens when it's too much?

    Various researches have shown the correlation between pests infestation and nitrogen leaf content - which depends on the amount of fertilizer you add. What is, then, the fertilizer amount we can...

  • Shit

    Better be safe than sorry

    For a few weeks now, tower 3 has been having troubles. The water looked cloudy, the fish weren't eating, in fact, they were gasping for air. We measured everything we could, but couldn't find a cause.

  • Black Soldier Fly

    All hail the lords of composting

    Documenting our black soldier fly experiment

  • Van koud naar warm

    Het wordt al lekker warm in de kas

    Het water in ons aquaponics systeem stroomt sinds begin februari non stop door de groeibedden en vistanks. De afgelopen periode zijn we bezig geweest met het geven van de eerste workshop en het...

  • First sprouts transplanted to the Aquaponics…

    Field Peas (Capucijners) are looking great!

    New season starts for the Aquaponics Systems. After few days awaiting for our first shoots we have finally some baby plants to transplant to the grow beds.

  • Bladluis en mier vs lieveheersbeestje en koud…

    aquaponics biogevechten

    Omdat onze planten zo lekker zijn moeten we ze beschermen tegen indringers. De kleinste indringers weten toch onze kas binnen te sluipen. Munt en peterselie worden aangevallen door bladluizen. Wij...

  • Big fish, big food

    We just learned something new! Lately our big fish (they're approaching 300 grams now) weren't eating very well, but we couldn't find a cause. Until we ordered new fish food for them.

  • Germination Experiement

    Sprouting seeds

    Which is the best way to raise our seedlings for life in the aquaponics system?

  • Miniponics succes

    Many people want it at home

    After two days of workshops using the miniponics as a demonstration model, we can say it's a big succes.

  • Workshop

    with new system design

    Mediamatic wanted an aquaponics system in their greenhouse office at the Fabriek, so during the workshop we built one upstairs. It's a new design, because the tower wouldn't fit underneath the glass...

  • Back in circulation

    A change of scenery in two weeks

    Whaaaaat! So much can change in two weeks, it's unbelievable! When Saro and I entered the tent today after Christmas family visits, surprise after surprise greeted us.

  • All about the siphon

    Everything you need to know to build an autosiphon

    How does it work? First of all, here is a nice animation to show you how the auto-siphon functions so you can integrate it to your eb and flood system like aquaponics. Found on youtube, made by...

  • A new system!

    Thanks to the workshop participants

    Last friday we built a new system. It's about time too, because the catfish are a little bit overstocked.
  • From our Faraway Friend Wendy Monroe

    Those Oesterzwam bags

    Unknown here in the States

    At a presentation given by Jim Wheeler, founder of the Sonoma County Mycological Association ( of Northern California )

modified Els Engel

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