Field day

Vineyard Solutions

Fruits of the Vine Viticulture Field Day Offers Harvest of Science-based Solutions for Growers John Derrick of Mercer Canyons Inc. didn’t know what was wrong with two blocks of the farm’s 920 acres of wine grapes outside of Prosser last year. Leaves showed reddish discolorations and flecking. He and other vineyard staff speculated about a […]