By contrast, in a dry season, it may be necessary towater the saplings twice in a day. The saplings are ready for water when the soil surface isstarting to dry out. The presence of mosses, algae or liverworts on the surface of the pottingmedium indicates that the seedlings are being given too much water; they should be removedand watering reduced. Weeds can compete aggressively for water, so should be removed fromcontainers.Extra care is required when watering germination trays: a very fine rose must be used and thewatering should be carried out in a sweeping motion to avoid damage to the seedlings.
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