soil survey project was carried out in the lower Lachlan Valley around the township ofHillston with the aim of identifying current and potential soil limitations to cotton production inthis region.

The Bourke region has experienced a dramatic expansion of irrigated agriculture, especially cotton production, over the last decade.

The specific aims of this project are to: I) establish a repeatable field survey scheme of key soil variables influencing cotton production in the lower Namoi, Gwydir and Macintyre valleys; 2) obtain a quantitative st