This is a short registration of a lecture by Marc Siepman. The recording was made on april 5th 2016 in Haarlem, The Netherlands.

Contents lecture

00:05 Bacteria

01:36 Other soil organisms

02:47 Artificial fertilizer

03:15 Succession

06:42 Weeds

08:08 Black soil

09:01 Soil pH

09:43 Fungi

12:47 Soil cover

14:37 Functions of weeds

16:55 Soil structure

17:20 Fungal networks

19:22 Largest organism on Earth

20:50 Carbon sequestration

22:20 Aggregates

23:39 Earth worms

26:30 Plants

28:09 Kelp

29:03 Biodiversity

30:48 Balance

Video produced by Styn Swinkels

http://www.styn.nl

Published by Permades permaculture design

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