** Shares of potash developer Agrimin Ltd AMN.AX fall 6.9% to A$0.135
** AMN clocks its worst intraday pct drop since January 31
** Says it has commenced a review of its Mackay Potash Project in Western Australia
** Adds, it has reduced activities at the Mackay Potash Project site
** CEO Debbie Morrow to step down to support the cost-reduction initiatives
** About 157,000 shares change hands vs the 30-day average of 69,262 shares
** AMN up 3.8% this year, including the day's move
(Reporting by Sameer Manekar in Bengaluru)
((Sameer.Manekar@thomsonreuters.com))