The effectiveness of an application of foliar nitrogen at veraison depends on the initial level of vine nitrogen deficiency, an Agroscope study has shown. The threshold levels of assimilable nitrogen deficiency in the grape must are validated for Chardonnay but still need to be confirmed for Sauvignon Blanc.
Verdenal T., Spring J.-L., Dienesné Nagy A., Bourdin G., Zufferey V.
Impact of foliar nitrogen supplementation on Chardonnay and Sauvignon Blanc wines.
IVES Technical Reviews, 2024, 1-2.
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ISSN Online: 2680-4905
Digital Object Identifier (DOI): https://doi.org/10.20870/IVES-TR.2024.8227
Publication-ID (Web Code): 57115
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