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Sow
Where to sow
Grafting
Seed harvesting
Storing seed
Labeling
Water
Cultivation climate
Growth season
Diseases
Importing
A useful rule to follow is, "If in spring the temperature in the greenhouse rises above the 25oC and is maintained for at least 4-5 hours", of course without the extra heating source.
Choose the first of a number of sunny days and water, the substrate with water brought on temperature of ca. 15 tot 20oC.
The next weeks we will not ventilate! This creates a humid climate comparable with the climate in the seed
box. Spraying
is not always necessary. Keep the floor wet if necessary and water if the
pots are dry.
The plants will show life within a couple of days by sucking the water
buds will show and a new period starts. These weeks are comparable with
the conditions at their original habitats, where the spring starts with
lots of rain and a humid climate; the period that seeds germinate and
young plants could grow before the hot sun of the summer does its
selective work.
After four to six weeks we start slowly to adapt
the climate in the greenhouse to a lower humidity level and careful
ventilation is applied. The first days we open the thin insulation film during
daytime and close it at night
and it is removed completely after one week. The screens are closed after
sundown and opened at sunrise.
This way we adapt the climate slowly to allow ventilation during day and
night time in the summer, whereby the temp could drop to 10oC
once in a while without risk.
Copyright © 2003
email: Piet van der Laken