** Shares of RLF Agtech RLF.AX rise 7.1% to A$0.03, their highest level since Dec. 31
** The plant nutrition co signs strategic trading agreement with National Rural Independent (NRI)
** Adds agreement for sale of co's products through 152 NRI stores
** Stock is flat YTD, including session's moves
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))