HVE,
what does that mean ?
The environmental certification of farms has 3 levels, the highest of which is:
"High Environmental Value".
This level of excellence of the environmental recognition system is attributed to farms with:
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a high level of biodiversity,
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very low use of inputs,
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preservation of water resources,
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cultural practices and techniques with low environmental impact.
The entire farm is certified, not just the vineyard plots. This implies a farm which preserves, while using them, the natural areas present, both in the plots and around the farm.