To find out the FC, 11 pots for each substrate were being crammed with 32 g rockwool, or fifty two g from the organic substrates and saturated with drinking water right away. When no more drinking water leaked through the covered pots, the real difference in weight concerning drinking water-stuffed and dry pots was used to work out the quantity of
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The resolve in the dry mass of all substrate pots by drying in a ventilated oven at 60°C (Heraeus, Hanau, Germany) for seven days in the beginning and finish of lettuce cultivation permitted the calculation of your mineralized natural and organic make a difference in the course of the experiment. This process was used according to the process desc