Open-Top vs Flat-Bed Coir Slabs for Greenhouse Tomatoes: 5 Things Growers Usually Miss
Greenhouse tomatoes behave differently depending on the substrate, irrigation pattern, and the grower’s preference for control. That’s why open-top vs flat-bed coir slabs always turns into a long debate, especially among growers in the Netherlands, Mexico, Canada, the USA, and Germany. Funny thing is, both systems work beautifully—but only when









