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Conference Poster Year : 2022

Traditional agroforestry vineyards, sources of inspiration for the agroecological transition of viticulture

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Abstract

A unique “terroir” can be found in southern Bolivia, which combines the specific features of climate, topography and altitude of high valleys, with the management of grapevines staked on trees. It is one of the rare remnants of agroforestry viticulture. A survey was carried out among 29 grapegrowers in three valleys, to characterize the structure and management of these vineyards, and identify the services they expect from trees. Farms were small (2.2 ha on average) and 85% of vineyards were less than 1 ha. Viticulture was associated with vegetable, fruit and fodder production, sometimes in the same fields. Molle trees were found in all plots, together with one or two other native tree species. Traditional grapevine varieties such as Negra Criolla, Moscatel de Alejandría and Vicchoqueña were grown with a large range of densities from 1550 to 9500 vines ha-1. From 18 to 30% of them were staked on trees, with 1.2 to 4.9 vines per tree. The management of these vineyards (irrigation, fertilization and grapevine protection) was described, the most particular technical operation being the coordinated pruning of trees and grapevines. Three types of management could be identified in the three valleys. Grapegrowers had a clear idea of the ecosystem services they expected from trees in their vineyards. The main one was protection against climate hazards (hail, frost, flood). Then they expected benefits in terms of pest and disease control, improvement of soil fertility and resulting yield. At last, some producers claimed that tree-staking was quicker and cheaper than conventional trellising. It can be hypothesized then that agroforestry is a promising technique for the agroecological transition of viticulture. Its contribution to the “terroir” of the high valleys of southern Bolivia and its link with the specificities of the wines and spirits produced there remain to be explored.
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Dates and versions

hal-03716265 , version 1 (07-07-2022)

Licence

Attribution - NonCommercial - NoDerivatives - CC BY 4.0

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  • HAL Id : hal-03716265 , version 1

Cite

Pablo Oliva Oller, Martin Notaro, Erick Langer, Christian Gary. Traditional agroforestry vineyards, sources of inspiration for the agroecological transition of viticulture. terclim2022│XIVth International Terroir Congress 2nd ClimWine Symposium, Jul 2022, Bordeaux, France. , 2022, Proceedings of the XIVth International Terroir Congress 2nd ClimWine Symposium. ⟨hal-03716265⟩
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