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sustainable-viticulture

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The effects of seaweed extract and amino acid fertilizers on growth and productivity of two grape (Vitis vinifera L.) cultivars.

Europe PMC · 2026-04-14

Researchers tested whether seaweed extract and amino acid fertilizers could improve the growth and fruit yield of two grapevine varieties. The study contributes to growing interest in biostimulants as sustainable alternatives or supplements to conventional synthetic fertilizers in viticulture.

1

Seaweed extract was evaluated as a biostimulant on Vitis vinifera grapevines, a crop of major global agricultural importance

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Two distinct grape cultivars were compared, allowing assessment of whether treatment effects are variety-dependent

3

Amino acid fertilizers were tested alongside seaweed extract, providing a multi-treatment comparison relevant to organic and sustainable viticulture