NASA NTRS · 19860010447
Electrochemical control of pH in a hydroponic nutrient solution
Abstract
The electrochemical pH control system described was found to provide a feasible alternative method of controlling nutrient solution pH for CELSS applications. The plants grown in nutrient solution in which the pH was controlled electrochemically showed no adverse effects. Further research into the design of a larger capacity electrode bridge for better control is indicated by the results of this experiment, and is currently under way.
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Schwartzkopf, S. H.. 1986-01-01. Electrochemical control of pH in a hydroponic nutrient solution. https://ntrs.nasa.gov/citations/19860010447
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