VERFAHREN UND VORRICHTUNG ZUR BEREITUNG EINES MIT MIKROORGANISMEN BEFRACHTETEN FLUIDES, MIKROORGANISMEN ENTHALTENDER STOFF SOWIE VERFAHREN ZUR VERÄNDERUNG DER WACHSTUMSBEDINGUNGEN VON PFLANZEN

The invention relates to a method and device for preparing a fluid loaded with microorganisms, and to a method for altering the growth conditions of plants while using a fluid of this type. According to the invention, a device is created for preparing a fluid loaded with microorganisms, comprising a container device for holding the fluid loaded with microorganisms, a discharge device for discharging a fluid stream out of the container device, and a return device for returning the fluid stream led through the discharge device into the container device, whereby a concentrating device is provided and at least one partial stream of the fluid stream is led through the concentrating device.