Why it matters: This research suggests that hemp could potentially be a viable cover crop in vineyards, particularly for New Zealand Sauvignon Blanc vineyards. The findings could have implications for both the wine and hemp industries, particularly in regions like California where both industries are booming.
What they are saying: The study found that hemp did not compete with the vines and actually improved the quality of the wines compared to grapes not grown alongside hemp. The hemp plants were able to acclimate without additional irrigation and their large root systems helped alleviate soil compaction caused by vineyard operations. The study also highlighted the importance of using quality hemp seeds for optimal growth.
The big picture: The use of hemp as a cover crop in vineyards could have multiple benefits, including improving soil health, producing better grapes with fewer inputs, and sequestering carbon. It could also potentially lead to a vineyard where grass does not need to be sown, reducing the need for mowing and benefiting soil quality. The researchers suggest that more grape growers may experiment with hemp as an intercrop or part of a diverse cover crop mix.
What to watch: Further research is needed to assess the effects of hemp on wine quality and any potential pickup of cannabinoids or off flavors in wines grown near hemp plants. It will be interesting to see if these findings are replicated in other wine regions and if the use of hemp as a cover crop becomes more widespread.
My take: This research presents an intriguing possibility for vineyards, especially those in regions with both thriving wine and hemp industries. If hemp proves to be a beneficial cover crop, it could offer numerous advantages for grape growers, from improving soil health to producing higher quality grapes. It will be important to continue studying the effects of hemp on wine quality and find ways to optimize its use as part of a diverse cover crop mix.
