The empty spaces in this vineyard are grafted vines that didn’t take. “A vineyard like this with a lot of holes has issues that have to be dealt with,” said Kevin Corliss. Jerry Czebotar likens human productivity to a Concord vineyard’s productivity. “Half of my 100-acre vineyard was planted in the 1940s,” said the Pasco, Washington,  grape grower. “As we get older—just like some of my vineyards—we don’t want to put out as much. The first 20 years, anybody can grow pretty good yields of Concord. But after 40 and 50 years, the vines can go into decline.” Czebotar has […]