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My first visit to the vineyard research site in the Willamette Valley, Oregon, with my wife in 2021. Photo credit: Dr. Paul Schreiner.
Collecting SPAD (chlorophyll meter) data for the nitrogen trial in the Willamette Valley, Oregon, in 2021. Photo credit: Dr. Paul Schreiner.
Harvesting wine grape clusters in 2021 for the nitrogen trial to measure yield and assess fruit quality metrics in the Willamette Valley. Photo credit: Matthew Scott.
Collecting soil samples in the Willamette Valley to study the impact of potassium fertilization on arbuscular mycorrhizal fungi (AMF). Photo credit: Dr. Paul Schreiner.
Applying potassium sulfate under the vine row for the potassium study in the Willamette Valley in 2022. Photo credit: Dr. Paul Schreiner.
Conducting shoot thinning in early summer at Oregon State University's research vineyard for rootstock study in 2024. Photo credit: Dr. Patty Skinkis.
Measuring photosynthesis in the nitrogen trial using the Li-COR 6800 in the Willamette Valley in 2022. Photo credit: Matthew Scott.
Presenting field research findings from the Willamette Valley winegrapes study at the 76th ASEV National Conference in Portland, Oregon, in 2024.
Presenting findings from the potassium study in wine grapes at the LIVE Sustainable Wine Poster Session in Oregon, 2024. Photo credit: LIVE
Stained root cells showing arbuscular mycorrhizal fungi, with arrows indicating arbuscules—sites of nutrient and carbon exchange between fungi and plants. Photo credit: Matthew Scott.
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