The Beyondie sulphate of potash (SoP) project, in Western Australia, is more than 50% complete, ASX-listed Kalium Lakes said on Wednesday.
The project is tracking ahead of schedule, the company told shareholders.
Following a recent capital raise, construction has started on a number of project areas, with more than 100 staff on site during July, with numbers expected to grow to 200 in the coming months.