{"id":1872,"date":"2016-12-12T00:00:00","date_gmt":"2016-12-12T00:00:00","guid":{"rendered":"https:\/\/jeanleon.com\/2016\/12\/12\/la-ciencia-que-hi-ha-darrere-el-vi-12\/"},"modified":"2023-09-06T08:54:19","modified_gmt":"2023-09-06T08:54:19","slug":"la-ciencia-que-hi-ha-darrere-el-vi-12","status":"publish","type":"post","link":"https:\/\/jeanleon.com\/ca\/la-ciencia-que-hi-ha-darrere-el-vi-12\/","title":{"rendered":"La ci\u00e8ncia que hi ha darrere el vi (1\/2)"},"content":{"rendered":"

El coneixement que aguanta la passi\u00f3<\/strong><\/p>\n

L’aparici\u00f3 de formaci\u00f3 acad\u00e8mica vinculada al m\u00f3n del vi durant el s.XX<\/span> i les posteriors investigacions que s’ha portat a terme, han provocat aven\u00e7os cient\u00edfics que fa dels vins d’avui dia, productes de primera qualitat, respectu\u00f3s i dinamitzadors de l’entorn, establint un teixit social que s’aguanta en el coneixement i en la transmissi\u00f3 d’uns valora que s’han d’expressar en la copa, per crear aix\u00ed, vins i moments memorables.<\/p>\n

El gran en\u00f2leg franc\u00e8s Pascal Chatonnet<\/span> defineix el terroir<\/span> com \u00abla interacci\u00f3 entre un entorn determinat, el seu clima i el seu perfil geol\u00f2gic amb la psicologia i cultura pr\u00f2pies de l’\u00e9sser hum\u00e0, conformant una personalitat identit\u00e0ria\u00bb. Centrem-nos en aquest \u00faltim aspecte, el perfil hum\u00e0 i de com les ci\u00e8ncies contribueixen a elaborar vins d’una qualitat impensable un segle enrere. D’entre tots elles destaquen:<\/p>\n

Climatologia<\/strong><\/p>\n

Con\u00e8ixer els factors meteorol\u00f2gics que succeeixen en un determinat clima \u00e9s fonamental per al cultiu de la vinya.<\/p>\n

De la m\u00e0 de la climatologia podem con\u00e8ixer factors tan importants com la temperatura mitjana i les seves oscil\u00b7lacions, les hores de sol i la pluviometria mitjana anual, aix\u00ed com dades relatives a la humitat i el vent.<\/p>\n

La climatologia est\u00e0 estretament relacionada amb la qualitat de les anyades, ja que incideix de manera directa en els processos posteriors a la vinya i a la bodega.<\/p>\n

Els \u00edndexs clim\u00e0tics de refer\u00e8ncia s\u00f3n el de Winckler<\/span> i el de Huglin<\/span>. S\u00f3n molt interessants per determinar quines varietats s\u00f3n m\u00e9s id\u00f2nies cultivar per obtenir la m\u00e0xima expressi\u00f3 varietal.<\/p>\n

Respecte al perfil dels vins en funci\u00f3 del clima del qual procedeixen, podem generalitzar que les zones m\u00e9s fredes produeixen vins de major acidesa, menys graduaci\u00f3 alcoh\u00f2lica i la c\u00e0rrega de fruita es mostra fresca i nua. Mentre que en les zones m\u00e9s c\u00e0lides els vins adquireixen un major grau, l’acidesa \u00e9s menys pronunciada i la fruita ens ofereix la seva versi\u00f3 m\u00e9s c\u00e0lida i madura.<\/p>\n

Geoci\u00e8ncia:\u00a0<\/span>Geologia, edafologia i geomorfologia<\/strong><\/p>\n

Geologia<\/strong><\/p>\n

S’ocupa de l’estudi de la composici\u00f3 mineral, estructura i evoluci\u00f3 del s\u00f2l. Es porten a terme calicats (exploraci\u00f3 del terreny mitjan\u00e7ant una barrina o una sonda per con\u00e8ixer els minerals que cont\u00e9) fins a 170 cm de profunditat per portar a terme aquests estudis.<\/p>\n

El tipus de s\u00f2l i les seves caracter\u00edstiques geol\u00f2giques es veuen reflectides en els millors vins i composen una de les virtuts m\u00e9s expressives dels vins de finca.<\/p>\n

Geomorfologia<\/strong><\/p>\n

\u00c9s la ci\u00e8ncia que estudia l’altitud, el relleu, el pendent i l’orientaci\u00f3 del terreny. S\u00f3n factors decisius a tenir en compte de cara a establir una nova plantaci\u00f3.<\/p>\n

Edafologia<\/strong><\/p>\n

L’edafologia s’ocupa de l’estudi de les propietats f\u00edsiques i qu\u00edmiques dels components del sol. En el cas de les propietats qu\u00edmiques, observem par\u00e0metres com ara el pH, el carbonat c\u00e0lcic i la mat\u00e8ria org\u00e0nica. Respecte a les propietats f\u00edsiques, les principals s\u00f3n la textura del s\u00f2l (granulometria), la profunditat i la capacitat de retenci\u00f3 de l’aigua.<\/p>\n

El s\u00f2l que alberga la vinya es compon de part\u00edcules de roques de diferents mides, humus (mat\u00e8ria org\u00e0nica en descomposici\u00f3) i nutrients (nitrogen, el f\u00f2sfor i el potassi). Un s\u00f2l ideal seria que fos pobre de nutrients, de bon drenatge, amb capacitat de retenir l’aigua necess\u00e0ria per al desenvolupament de la planta, per\u00f2 evitant un excessiu vigor que es traduiria en una menor qualitat del ra\u00efm.<\/p>\n

A m\u00e9s, mitjan\u00e7ant l’edafologia podem disposar de la informaci\u00f3 necess\u00e0ria per seleccionar el millor porta-injerts<\/span> per una nova plantaci\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"

El coneixement que aguanta la passi\u00f3 L’aparici\u00f3 de formaci\u00f3 acad\u00e8mica vinculada al m\u00f3n del vi durant el s.XX i les posteriors investigacions que s’ha portat a terme, han provocat aven\u00e7os cient\u00edfics que fa dels vins d’avui dia, productes de primera qualitat, respectu\u00f3s i dinamitzadors de l’entorn, establint un teixit social que s’aguanta en el coneixement […]<\/p>\n","protected":false},"author":1,"featured_media":480,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-1872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vi"],"yoast_head":"\nLa ci\u00e8ncia que hi ha darrere el vi (1\/2) - Jean Leon<\/title>\n<meta name=\"description\" content=\"Con\u00e8ixer els fen\u00f2mens meteorol\u00f2gics que succeeixen en un determinat clima \u00e9s fonamental per al cultiu de la ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jeanleon.com\/ca\/la-ciencia-que-hi-ha-darrere-el-vi-12\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La ci\u00e8ncia que hi ha darrere el vi (1\/2) - 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