title: Chapter seven Between Sky and Earth biodynamic viticulture’s slow science
abstract: Between Skyand Earth biodynamic viticulture ' s slow science deborah heath standing at the threshold between local rootedness and global expansion, grapevines portend changes in our shared planetary metabolism.Deep-rooted, long-lived perennials of the genus Vitis, grapevines can persist in place for centuries, with some surviving specimens as much as four hundred years old.Anchored in their par tic u lar locales, grapes are touted by wine connoisseurs as exemplary emissaries of terroir, the "tas