Advanced Seminar September 2021
![](/fileadmin/blog_images/news_picture/Baeume_und_Bauen.jpg)
Trees and Construction
Terra Fit: Growth through Innovation
Dr. Yasser Dergham will give a presentation on 9/18-21 from 10:15 am – 1:00 pm
on: Growth of permanent humus and roots in soil through humic acids. Remedying tree stress through mycorrhizae.