An Italian cherry orchard in the Po River Valley takes high-density planting to new levels.Blocks of Kordia, Ferrovia and Regina are planted at 2,672 trees per acre in a system aptly named super-high-density spindle. Even for progressive European standards, that's a lot of trees.The orchard at Salvi Vivai in Ferrara was one of the stops on the International Fruit Tree Association tour of Italy in November. While North American participants didn’t return home with plans to replicate the orchards, they gleaned a few management lessons.
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