1984
Soil Physical Requirements for Germination, Root Development, Plant Production and Survival
Author: Peter Cornish
Soil Compaction - Causes and Effect, A Short Review
Author: D. McGarry
The Why’s and Wherefore’s of Compaction
Author: Bruce Cockroft
Farmer Experience at Holbrook
Author: David Murdoch
Ripping Practicalities
Author: Paul Flinn
Sheep Response to Agrowplow at Yass
Author: W.M. Wheatly
Deep Tillage Research on The Southern Tablelands 1980 - 1984
Author: Paul Dann
The Wallace Soil Reconditioning Unit
Author: Geoffrey Wallace
An Introduction to Agrowplow
Author: Keith Ryan
The Howard Paraplow
Author: I.D. Crook
The Lely "Vee" Subsoiler-Ripper
Author: A.J. McCurry
Bunyip Slipper Imp
Author: Ken Yeomans