What's the best way to use worm castings in the garden?

Mark and Di walk us through the wonders of worms, weed management and water plants. 28:31 Using heat and smoke water to harvest banksia seeds.  31:28 What can worm wee and poo be used for in the garden? 40:15 Mark takes us through show and tell on his floating water plants. Listen to the program live on Saturdays at 9:00AM on ABC Radio Perth and ask your questions by calling in on 1300 222 720 or text 0437 922 720Subscribe to the podcast through the ABC Listen App, Apple Podcasts or wherever you like to listen.