In the past decade, what is now known as ‘biochar’ has been widely endorsed for a variety of industrial applications and has seen exponential interest in agronomic uses. However, its use remains limited in the viticulture sector, particularly in France. This paper provides a synthesis of recent publications on biochar applications in the sector.

Biochar: a little-known tool for grape and wine producers

Biochar is presented as a solution for reducing greenhouse gas emissions by 12 %, while increasing crop productivity¹. The proliferation of publications on the subject–from 200 occurrences in 2010 to nearly 40,000 today (Clarivate Web of Sciences, September 2024)–demonstrates the significant interest in it, especially for its agronomic applications. Less than 100 studies to date concern the viticulture sector, and in France, more than 80% of surveyed winemakers are "insufficiently informed" or entirely unaware of this practice².

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