ammonium nitrate a comparative analysis of factors affecting global trade investigation no 332 393 publication 3135 october 1998 us international commission director operations commissioners marcia e miller vice chairman lynn m bragg carol t crawford address all communications to secretary the united states washington dc 20436 raymond l cantrell aimison jonnard john g reeder and cynthia d trainor with assistance from this report was principally prepared by nesbitt usitc gov brenda carroll jack greenblatt peter pogany project leader vern simpson industries elizabeth r office william deese economics www robert rogowsky primary reviewers hughes mark paulson jennifer hillman stephen koplan thelma askey written contributions roger corey under supervision j gersic chief energy chemicals textiles division request senate committee on finance is reproduced in full appendix 1 eight row crops are corn soybeans wheat cotton barley sorghum oats rice 2 list