Field Observation http://www.ipm.iastate.edu/ipm/icm/taxonomy/term/670/feed The taxonomy view with a depth of 0. en Field observations are key when planning spring work http://www.ipm.iastate.edu/ipm/icm/2002/3-18-2002/fieldobservations.html Tips on planning your spring fieldwork. 2002 Field Observation IC-488 (3) -- March 18, 2002 Mahdi Al-Kaisi Mark Hanna Soils Sun, 17 Mar 2002 13:00:00 -0600 jvandyk 1765 at http://www.ipm.iastate.edu/ipm/icm