Oct 17, 2019
Do You Know Your ABCs?By Tim Hodson

Are you using hydroponics to grow vegetables in your greenhouse? Have you figured out an optimal nutrient management program for your crops? Are you looking for answers to these types of challenges?

If you are, then you should know that this Wednesday, Oct. 23, Neil Mattson of Cornell University will present a free one-hour webinar on “The ABCs of N-P-K: Nutrient Management of Hydroponic Crops.”

The webinar will take place at 2 p.m. EDT.

Mattson is an associate professor and greenhouse Extension specialist at Cornell University and director of Cornell’s Controlled Environment Agriculture group.

During the webinar, Mattson will address the 12 essential elements that must be delivered to hydroponic crops for optimum performance.

He also will discuss critical factors for developing a nutrient management program including: fertilizer selection and compatibility, nutrient solution monitoring and how environmental factors impact nutrient availability.

In addition, common nutrient disorders will be discussed as well as strategies for diagnosing and solving these problems to ensure a healthier, higher-yielding crop.

You can register for the webinar by clicking here.

Mattson also co-authored an article in GPN’s latest controlled environment agriculture supplement — Under Control. In the article, “Increasing Yields of Baby Leaf Vegetables,” Mattson and Charles Gagne discuss their latest research on how light quantity impacts baby leaf vegetable production. Click here to learn about the results of their latest study.


Tim Hodson

Tim Hodson is the editorial director of GPN and Big Grower. He can be reached at [email protected]



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