Did you know that growing a kilo of tomatoes in the open field requires a whopping 60 litres of water, whereas in hydroponic greenhouse cultivation it is only15 litres?
It is important to give the best possible start to the new crop.
Nutrient recovery makes sense economically and environmentally. Why would you discharge valuable nutrients when they can be used again?
By far the easiest way to reduce the discharge of drain water to is to work with a high quality primary water supply and low drain volumes. Substrate design and knowledge has improved over the years.
The water system is central to the efficient functioning of your greenhouse.
‘Precision Growing’ literally translates into growing more, with fewer inputs. In this context GRODAN focuses on root zone management solutions, yet understands the need for a holistic approach towards the cultivation.
The quality of the primary water supply is very important when operating within a closed hydroponic system.
Background information and definitions concerning the greenhouse water cycle.