Soil
Videos
Excellent 4 part webinar series where Dr. Christine Jones speaks on the soil sociobiome, nitrogen, phosphorus and plant diversity. If you are looking for more science behind soil this is an excellent resource.
https://www.youtube.com/playlist?list=PLa9o0s7ECssiXMn3VJI82h5Ju4nziTGvT
Kiss The Ground Film This one is entertaining as it educates. There are multiple ways to watch, the easiest is Netflix.
Do a deep dive on soil microbiology. This is a paid course and worth the funds.