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American Society for Horticultural Science


Upcoming Webinars (ASHS Members Only):



Date: December 11, 2018


Time:1:00 pm EST


Title: Managing soil fertility in organic vegetable production


Speaker: Dr. Timothy Hartz, University of California


Providing sufficient mineral nutrition to maximize yield and quality is a critical part of successful organic vegetable production.  This webinar will summarize recent California research on organic soil fertility management; topics addressed will include soil and plant testing, cover cropping, and use of composts, manures and specialty fertilizers.

Click here to register for this webinar. ASHS Members Only.



The ASHS Webinar Series are being scheduled by ASHS Member Dr. Robert Mikkelsen.


You must be an ASHS Member to attend the live webinar. 


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Date: November 14, 2018

Time: 1:00 pm EST

Title: Principles and application of cover cropping in specialty crops

Speaker: Dr. Thomas Bjorkman, Professor of Horticulture, Cornell University


The webinar will cover how cover crops complement the main crop to better meet overall management goals in specialty crop production. Those principles can be used to identify which cover crops to use, and the specific management tactics that provide the most benefit.


View Archived Webinar




Date: November 28, 2018


Time: 1:00 pm EST


Title: Converting photons into biomass: Implications for controlled environment agriculture


Speaker: Dr. Marc van Iersel, Professor/Dooley Professorship, University of Georgia

Supplemental or sole-source light can account for a significant fraction (up to 30%) of total production costs in greenhouses and plant factories. Developing more efficient and effective lighting strategies can help to bring these costs down and improve profitability of controlled environment agriculture. This webinar will explain opportunities and limitations of improving lighting efficiency in controlled environment agriculture.

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