Timothy K. Hartz obtained graduate degrees in horticulture from Colorado State University (MS, 1977) and Virginia Tech (PhD, 1980). He worked for 8 years with the vegetable industry in Texas, both in private industry and as an Extension Specialist with Texas A&M University. Since 1988 Dr. Hartz has been an Extension Specialist with the University of California, focusing on soil fertility and irrigation issues; in that capacity, he has worked closely with the processing tomato industry as it has transitioned from furrow to drip irrigation.
