Lettuce in a hydroponic system: 100% organic nutrients

Van der Knaap is known for their substrate knowledge, but did you know they also developed a sustainable cultivation system? The liquid nutrient solution rich in organic NO3 that is produced with this system is also extremely suitable for other cultivation systems, such as growing lettuce in a hydroponic system.

The hydroponic section in the company's innovation centre has recently been redesigned and all ponds now receive an 100% organic nutrient solution. The earlier phase of their research has already proven that the organic fertiliser holds its own compared to mineral fertiliser. On a number of points it even surpasses the traditional method, they report.

The follow-up research now focuses on influencing the cultivation by means of different pH values. In addition, the young lettuce plants get a good start on Obturo plugs or conventional pressed pots.

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Van der Knaap

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