After Dark: Timelapse of soil biology at work (90 MB, download to run videos)
2020 Research Report to SSGWO, Albany, OR Jan.
2019 OSWS Weed Control in Sweet Corn, Hood River, OR Oct
2019 NWHS, Interseeding in Organic and Conventional Systems, Jan, Canby, OR
2018 WSWS Interseeding Cover Crops, March, Denver, CO
2018 Weed Control in Christmas Trees, March, Mollalla, OR
2018 Mid Valley CORE Course_Nov 15 2018_Wilsonville, OR
2017 OPVC Weed Control, Herbicide Carryover, Interseeding, Jan., Albany OR
2015 IPPC Pesticide Training, Cover Crops in Christmas Trees, March 20, 2015, Wilsonville OR
2012 WSWS, Project Summary: Post-Dispersal Seed Predation by Carabid Beetles in Vegetable Row Crop Rotations, March, Reno, NV
2017 HAREC Annual Grower Meetings, The Future of Weeds. Nov. 29, 2017. Hermiston OR
Weed Management in Berry Crops. NWHS berry section. January 19, 2017. Presented on behalf of Tim Miller of Mt. Vernon, WA.
The Future of Herbicides, NWHS, January 12, 2017. Canby, Oregon.
Field Tour. Weed and Cover Crop Management in Specialty Seed and Other Vegetable Crops, Corvallis, August 28, 2017.
The Future of Weeds in Oregon Vegetables. Vegetable Extension Mtg. with Richard Smith, Salinas, CA, October 25, 2017.
Sweet Corn, Snap beans, Processing Squash: Weed Control and Nutrient Management. National Frozen Foods Grower Meeting, Chemeketa Wine Center, Dec 21, 2016, West Salem, OR.
The Future of Weeds, Agriculture Research Foundation Board Meeting, Dec. 16, 2016. Corvallis, OR.
The Future of Weeds, Pratum Coop Grower Meeting, Dec. 8, 2016, Salem, OR (200)
Weed Seedbanks and Crop Rotations. Organic Buyer-Grower Event, Collaborating with Stone. NWREC, Nov. 30, 2016, Aurora, OR.
Interseeding Cover Crops in Vegetables. Pacific Northwest Vegetable Association, Nov. 16, 2016. Kennewick, WA (200).
Vegetable Crops Research Field Tour, Vegetable Crops Research Farm, Sept 19, 2016 (35)
Field Tour. Weed Management in Sweet Corn and Other Vegetables. Monroe and Corvallis, July 17, 2016.
Specialty Seeds, Nuts, and Weeds in the Willamette Valley (PART II). Presentation to Marion Ag Service clientele, St. Paul, Feb 4, 2016.
Weeds in Row Crops. Presentation to the Oregon Proc. Veg. Commission Annual Mtg. January 27, 2016 Albany Fairgrounds.
Weed Control in Specialty Seed Crops: Mechanical, Biological and Chemical Strategies. SSGWO, Linn County Fairgrounds Jan. 22, 2016.
The Future of Weeds. North Willamette Hort Society, Canby Oregon, Jan 13, 2016.
Weed Control in Blueberries and Hazelnuts. Pratum Coop grower meeting. Salem Convention Center, Dec. 17, 2015.
Oregon Society of Weed Science. Managing weeds in nuts and berries. Hood River, October, 2015.
Processed Vegetable Field Tour, Veg Research Farm, Corvallis, Sept 10, 2015.
Herbicide Screening in Fresh Market Vegetables. Two field tours to view and discuss potential herbicide options in fresh market vegetable crops. NWREC, June 29 and July 2, 2015.
Weed Management in Rhubarb. Two field tours of demonstration plot near Cornelius, OR. April 9 and May 8, 2015.
Specialty Seeds, Nuts, and Weeds in the Willamette Valley. Presentation to Marion Ag Service clientele, St. Paul, Feb 12, 2015.
Weed Management Techniques in Willamette Valley Hort Crops. Wilbur Ellis, Feb 4, 2015, Salem OR.
Weed Management. Presentation to the Oregon Proc. Veg. Commission Annual Mtg. January 22, 2015.
Managing Weeds in Specialty Seeds: Trials, Tribulations and Triumphs. SSGWO, Linn County Fairgrounds, Jan 20, 2015.
Weed Management in Vegetables. NWHS, Jan 15, 2015.
Herbicides in Blueberries and Hazelnuts & Glyphosate Concerns in Hazelnuts, Pratum Coop Grower meeting, Salem, OR, Dec 10, 2014.
Weed Control in Blueberries, Wilbur Ellis Training Mtg., Nov 18, 2014, Salem, OR 75 attending
Current Trend and Challenges in Processed Vegetable Production, OR Ag Chemical Dealers, meetings in Springfield and Wilsonville, Nov 5 and 6, 2014.
Processed Vegetable Production: Current Trends and Challenges, OSWS, Oct 25, 2014.
Weed Control Updates, NWREC, Feb 27, 2014. Wilbur Ellis Grower Meeting.
Practical Solutions and Alternatives for Weed Management in Vineyards. Feb 26, 2014. Presentation for the Oregon Wine Institute, Portland, OR.
Weed Control in Specialty Seeds. January 23, 2014. Specialty Seed Growers of the Western OR, Linn County Fair Grounds, Albany.
Weed Management. Presentation to the Oregon Proc. Veg. Commission Annual Mtg. January 22, 2014.
Weed Management in Berry Crops. Presentation at the N. Willamette Hort. Soc. Berry Day. Jan 17, 2014.
Weed control updates in Veggie Crops. Presentation at the N. Willamette Hort. Soc. Vegetable Day. Jan 16, 2014.