Three non-circulating hydroponic methods for growing lettuce

Citation: B.A. Kratky Three non-circulating hydroponic methods for growing lettuce.
DOI (original publisher): 10.17660/ActaHortic.2009.843.6
Semantic Scholar (metadata): 10.17660/ActaHortic.2009.843.6
Sci-Hub (fulltext): 10.17660/ActaHortic.2009.843.6
Internet Archive Scholar (search for fulltext): Three non-circulating hydroponic methods for growing lettuce
Wikidata (metadata): Q62082797
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Summary

Describes 3 containers (smallest is a 4 liter bottle) of growing lettuce, such that the container has all of the water and nutrition needed by the plant, so no inputs other than light are needed prior to harvest.