"The Biggest Little Farm (2018), a documentary by natural animal filmmaker, John Chester and his wife Molly is focused on developing a sustainable farm (outside of LA). It explores their struggles on maintaining a large amount of acres discovering a return to farm lifestyle of "biodynamics" and features Alan York, to help restore dead earth into a robust geographic territory of eco diversity.
It features York visiting and consulting the Chester family with all areas, York has been known famously for helping California's wine industries. During the film, his life is documented which is the strength of the film. Discussing York's views of biodynamic living. A methodology, and theories based years back with other related associations to Rudolf Steiner, Waldorf School, etc..
And yes, the second strength is the eco diversity of varieties of species coexisting with each other. There's drama as the Chesters has to deal with "predatory" entities such coyotes, insects, etc.