1. Limited growing area: Champagne Appellation includes less than 78,000 acres of vines (although expansion is currently under consideration)
2. Only 3 grapes: Chardonnay, Pinot Noir & Pinot Meunier
3. Limited: vine spacing (between rows), vine density (between plants), vine height, pruning, grape yields.
4. Required: hand harvesting.
5. Minimum age before release: 15 months for non-vintage; 3 years for vintage.
Added by d.dolaptchieva - 13 Apr 2009
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