I reported previously (July 2018) on Rootella mycorrhizal fungi from Israel’s Groundwork BioAg. It improves soil nutrient uptake and boosts crop yield in 90% of all plant species. The Rootella products are now approved in Canada, US, Brazil, Ukraine & Belgium.

https://www.prnewswire.com/il/news-releases/rootella-mycorrhizal-inoculants-registered-for-commercial-use-in-canada-300913187.html

http://groundworkbioag.com/