Happy growing buddy , happy to see Spanish seeds reaching Germany ! I'm doing a semi organic run myself on my balcony , might want to give it a read I try to make it well documented . As for your little babies , I would pay attention to a good aerated soil add plenty of vermiculite type of stone ,make sure to get the proper amendments and prepare the best teas you can find . The automatic irigation system scares me to be hones , as a seedling to Veg week 1 you need it moist , but after that you should really control the PH and wattering because any overwater will stunt them , root rot in these kind of soils with alot of water is a issue . Happy growing !
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