Down to Earth -- Episode 1: Treating clay soil (1990) 

"Down to Earth" was a series of thirteen segments shown on the ABC's "Gardening Australia" programme. In each episode, Kevin Handreck from CSIRO's Division of Soils offers information and advice on soil and gardening for the home gardener.
This episode shows how to treat clay sub-soil before establishing a garden.
Video transcript available here: www.csiro.au/ne...
Visit CSIRO PUBLISHING - www.publish.csi... - to find books written by Kevin Handreck.