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The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics
13:02

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Published on: October 5, 2016

From rainfall to throughfall in a maritime vineyard.

G Brecciaroli1, S Cocco, A Agnelli

  • 1Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, Ancona, Italy.

The Science of the Total Environment
|September 22, 2012
PubMed
Summary

Vine throughfall enriches soil nutrients like magnesium and potassium, impacting agro-ecosystem management. This study analyzed precipitation and throughfall chemistry under grapevines in Mediterranean conditions.

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Area of Science:

  • Agricultural Science
  • Environmental Chemistry
  • Soil Science

Background:

  • Grapevine (Vitis vinifera L.) cultivation is prevalent in Mediterranean climates with soils derived from marine sediments.
  • Understanding atmospheric deposition and plant-derived contributions to soil is crucial for vineyard management.

Purpose of the Study:

  • To characterize throughfall chemistry under grapevines.
  • To differentiate plant contributions from atmospheric deposition in throughfall.
  • To assess the role of throughfall in vineyard agro-ecosystem nutrient cycling.

Main Methods:

  • Collected and analyzed bulk precipitation and throughfall under real and artificial vines over one year.
  • Measured pH, electrical conductivity, and ion concentrations (cations and anions).
  • Calculated ionic fluxes and used X-ray diffraction to identify biogenic minerals.

Main Results:

  • Bulk precipitation chemistry was influenced by proximity to the sea, anthropic activities, and distant windblown material.
  • Throughfall chemistry was affected by bulk precipitation factors plus canopy-trapped dry deposition, agronomic practices, and microorganisms.
  • Vines were identified as a source of magnesium (Mg) and potassium (K).
  • Reduced Ca, NH(4), and PO(4) in winter throughfall were linked to biogenic mineral formation on plant surfaces.

Conclusions:

  • Grapevines contribute essential nutrients (Mg, K) to the soil through throughfall.
  • Biogenic mineral formation on vines influences nutrient dynamics, particularly in winter.
  • Incorporating throughfall analysis into soil nutritional potential assessments is vital for effective agro-ecosystem management.