Quote:
Originally Posted by JoeReal
Hint: Well, if you place actively fermenting brew inside the greenhouse, they will grow like crazy.
Greenhouses are sometimes supersaturated with oxygen, the small volume of air means few carbon dioxide and when the are absorbed and turn to oxygen, they lack one of the most important nutrient for growth. Aside from N,P,K, water and carobon dioxide should be recognized as super essential nutrients.
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I do this for my planted aquariums . It a simple matter , just throw some sugar in a bucket of water and add a pack of yeast . of course for aquariums one must bring the co2 to the waters surface for absorbtion or bubble it up the water column in a reactor . In a green house , there is always co2 being produced by soil organisms . But supplemental co2 is great for growth as long as there is ample light . I tried the trough/bucket method with my tillandsias and was amazed by the growth and vigor of these plants . I used two control groups one recieved less light and the plants became strappy or leggy .the other group grew in the exact conditions as the added co2 group but only showed (average) growth .