Sampling http://www.ipm.iastate.edu/ipm/icm/taxonomy/term/377/feed The taxonomy view with a depth of 0. en Sampling fields for nitrate in late spring http://www.ipm.iastate.edu/ipm/icm/1998/4-27-1998/ns98.html 1998 Alfred M. Blackmer IC-480 (7) -- April 27, 1998 Sampling Soils Sun, 26 Apr 1998 14:00:00 -0500 jvandyk 1137 at http://www.ipm.iastate.edu/ipm/icm