Reiziger Knowledge For Hydroponic Craftsmen
What do we know about hydroponics? Well, we started in Amsterdam in the 1980s. It's not about if it grows, but how. Plants need blood, sweat and tears. The right nutrients are just the start. For those who suffer recurring nightmares about the consequences of over watering by 0.1ml, Reiziger shares how to grow your own. With a little help from a leading Dutch university and the Seed Bank of Holland.
