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E-GRO Alert: Is irrigation water alkalinity ailing your crop?


May 8, 2015
By Dr. Kristin L. Getter Michigan State University

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May 8, 2015 – If the pH of your media is out-of-whack, consider checking your irrigation water alkalinity.

Many growers monitor their crop’s substrate pH and electrical conductivity (EC) periodically in order to avoid nutritional and crop quality issues.

For more information on how and why to monitor pH and EC, see the Michigan State University Extension article titled “pH and EC issues still a problem in some greenhouses.”

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If substrate pH is routinely a problem, it is possible that the irrigation water alkalinity may be the cause. In this article, we review why it is important to monitor your greenhouse irrigation water alkalinity.

For this e-Gro Alert, go to http://www.e-gro.org/pdf/2015_433.pdf.

For the e-Gro Alert website and its archived features, go to www.e-gro.org.


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