Recycle water streams or purify waste water? Every grower in the Netherlands will need to decide soon. But one thing is certain: in 2027 the sector must be completely emission-free. That’s why Wageningen University & Research has been investigating the various possibilities. After trials with cultivation on rock wool and buffered coir substrate, it was the turn of unbuffered coir substrate. Good news: the results are promising! You can find out more in the article about it from ‘In Greenhouses’, the Dutch greenhouse growers’ magazine. You can also visit the website or Twitter account of In Greenhouses.