Webportal-hint: Fertilization
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Version vom 18. Juni 2019, 10:43 Uhr von Schreur (Diskussion | Beiträge)
Measure of EC value:
Proportion substrate : destilled water = 1 : 5
50 ml substrate pressed in a measuring cup. Fill up with dest. water to 300 ml.
Than stir up and measure with EC gauge.
