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lightly covered, there’s enough inertial energy for the seed to pop through the surface of the rockwool. If you were to pinch it shut tight, then obviously the seedling could get trapped, suffocate, drown and die.

     That’s basically how you plant a rockwool cube with a seed, you then put it in a propagator; we’ve already done or practised with about 60 of them, we’ve still got another 10 or 15 to go. Once they’re in the propagator, you want to put the propagator lid on, the air vents shut and it


would be a good idea just to give them a little wee sprinkle, although there’s plenty of water in there, it’s a hot, sunny day today and there’s been a lot of evaporation and you don’t want that; there has to be enough water to germinate them but not enough water to drown them; it has to be a happy medium and my concern is today we’ve spent the last hour preparing them and they’ve obviously been in direct sunlight for that last hour so they have dried out somewhat, so give them a little sprinkle of water we then put the lid on, put the air vents shut and that’s basically how you would germinate a seedling. We then afterwards would lower a biaxle high frequency fluorescent light on top of the propagator. The fluorescent light is specifically designed for seedlings and cuttings; it’s not a high intensity discharge as such; it generates just the right amount of lumen output;

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Copyright © 2008 Medical Marijuana Cannabis Cultivation - Pukka Press Ltd. - Disclaimer

All footage taken was filmed on location at the University of London, who possess a Home Office licence to cultivate Cannabis.
All Cannabis grown was grown under this Home Office licence for medical research under a group European initiative to validate the medicinal properties of Cannabis.