publication . Article . 2009

COMBINED EFFECTS OF SOIL-APPLIED AND FOLIAR-APPLIED NITROGEN ON THE NITROGEN COMPOSITION AND DISTRIBUTION IN WATER STRESSED VITIS VINIFERA L. CV SAUVIGNON BLANC GRAPES

Rana Jreij; Mary T. Kelly; Alain Deloire; Emmanuel Brenon; Alain Blaise;
Open Access English
  • Published: 31 Dec 2009 Journal: OENO One (issn: 2494-1271, Copyright policy)
  • Publisher: ADERA
Abstract
<jats:p>&lt;p style="text-align: justify;"&gt;&lt;strong&gt;Aims&lt;/strong&gt;: The aim of this work is to test the effects of soil-applied nitrogen (N) at budbreak and subsequent foliar-applied N at veraison on the N composition and partitioning in berries of water stressed Vitis vinifera L. cv. Sauvignon blanc vines.&lt;/p&gt;&lt;p style="text-align: justify;"&gt;&lt;strong&gt;Methods and results&lt;/strong&gt;: N fertilizer was applied to the soil at budbreak at doses of 30 or 60 kg N/ha, while the control did not receive any treatment. This did not increase N content of leaves and the vines showed symptoms of N deficiency from the beginning of the season. I...
Subjects
free text keywords: Grapevine, nitrogen fertilization, water stress, nitrogen content, Agriculture, S, Botany, QK1-989, Human fertilization, Agronomy, Composition (visual arts), Nitrogen, chemistry.chemical_element, chemistry, Ammonium nitrate, chemistry.chemical_compound, Fertilizer, engineering.material, engineering, Berry, Veraison, Vine
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