Terrain Modelling Use in Developing N Management Zones.
David Franzen, NDSU Extension Service, Box 5758, Walster Hall 229, Fargo, ND 58105-5758 and Janis Boettinger, Utah State Univ, PSB, 4820 Old Main Hill, Logan, UT 84322-4820, United States of America.
Several fields in North Dakota were delineated for possible soil series
boundaries using terrain modeling alone and with additional zone delineation
layers. The resulting maps were compared with grid-sampled residual nitrate
soil sample results. The resulting correlations of predicted and actual zones
will be presented.