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John Zandstra

Fruit and Vegetable Cropping Systems
College Research Professor


M.Sc. (Agr.) Environmental Biology - University of Guelph
B.Sc. (Agr.) Environmental Biology - University of Guelph

Research Interests:

  • Fruit and vegetable cropping systems with reduced environmental impact
  • Season extension of Ontario fruit crops
  • New crop development
  • Expansion of the garlic industry in Ontario

Research Associates:

Allison Tazier
Phone: 519-674-1500 x63601
Greg Watt
Phone: 519-676-0832


I teach in the Agriculture Diploma at Ridgetown Campus. Courses include:

Recent Publications and Reports:

2015 2015 Processing Pea Cultivar Evaluation - Early Planting

2015 2015 Processing Pea Cultivar Evaluation - Late Planting

2015 Studies on Sumagic-treated Processing Tomato Transplants - A series of experiments examining the effects of Sumagic plant growth regulator on tomato transplants exposed to different cultural elements (tray size, application timing, holding period).

2007 Rootstock performance on Gala, Suizuka and Honeycrisp apple: 2004-2007 summary

2007 Nutritional and health benefits of fresh vegetables - a review

View the complete list of reports by John Zandstra on the reports page.

Page reviewed 03/06/2018