What question did this study set out to answer?

This research aims to understand the long-term adaptive capacity of organic and biodynamic viticulture under varying climatic conditions.

Overcoming yield gaps in organic and biodynamic viticulture: insights from an 18-year field trial

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Long-term field trial compares organic, biodynamic, and integrated management impacts on viticulture, highlighting sustainable practices.

This research aims to understand the long-term adaptive capacity of organic and biodynamic viticulture under varying climatic conditions.
Conducted an 18-year field trial in Geisenheim, Germany.
Compared organic, biodynamic, and integrated management systems on Vitis vinifera cv. Riesling.
Assessed agronomic parameters, plant performance, and grape quality over time.
Initially observed lower yields in organic (−17%) and biodynamic (−14%) systems compared to integrated management.
Yield gaps significantly narrowed after approximately 8-9 years post-conversion.
Organic and biodynamic systems improved yields in hot, dry vintages by +2.3% and +9.0%, respectively.
Minimal differences in grape quality parameters were noted across systems.

Döring et al. (2026) studied this question.

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