URL: http://wilkefarm.wsu.edu/ Email: aarons@wsu.edu   The Wilke Research and Extension Farm is located on the east edge of Davenport, WA. Research on the 320-acre farm centers on development of cropping systems that are economically and environmentally sustainable. Focus is on systems that reduce soil erosion by wind and water, improve the efficiency and net return of farming operations, enhance soil quality, and reduce stubble burning. See map.