Application of GIS to integrated pest management on U.S. Fish and Wildlife Service land / Bruce Seelig, James Alfonso -- Nitrogen management in sugar beet using remote sensing and GIS / David W. Franzen -- Using historical management to reduce soil sampling errors / David E. Clay ... [et al.] -- Developing productivity zones from multiple years of yield monitor data / Jonathan Kleinjan ... [et al.] -- Site-specific weed management in growers' fields : predictions from hand-drawn maps / Lori J. Wiles, R. Bobbitt, Philip Westra -- Map quality assessment for site-specific fertility management / T. G. Mueller -- Gleaning more information from yield data / T. S. Murrell, Q. B. Rund, H. F. Reetz, Jr. -- Soil salinity mapping using ArcGIS / Florence Cassel S. -- Using GIS and on-the-go soil strength sensing technology for variable-depth tillage assessment / Pedro Andrade-Sanchez, Shrinivasa K. Upadhyaya -- Collocating multiple self-generated data layers / Viacheslav I. Adamchuk, Chenguang Wang