The successful SOILpak concept was developed in 1986, but the most recent version of the manual (‘SOILpak for Cotton Growers: Third edition’, 1998, and the accompanying Pocket Notes) is now eighteen years old.

Soil compaction in the cotton industry has been identified as a major limitation to crop growth. This led to the establishment of several CRDC funded research projects dealing with the management of soil compaction.

International Soil and Tillage Research Organisation (ISTRO).

Key issues which the NPSI Board requested should be addressed in the document were: Comment on the place that oxygenation may have in reducing the effects of water logging on production for various irrigation systems

The aim of the project was to provide cotton advisers and leading growers in the Hillston district (lower Lachlan Valley, NSW) with the latest information about soil assessment and management for the sustainable produ