{"id":25605,"date":"2019-03-25T16:43:48","date_gmt":"2019-03-25T14:43:48","guid":{"rendered":"https:\/\/www.bioecoactual.com\/?p=25605"},"modified":"2025-06-13T15:35:50","modified_gmt":"2025-06-13T13:35:50","slug":"agricultura-ecologica-mitiga-canvi-climatic","status":"publish","type":"post","link":"https:\/\/www.bioecoactual.com\/ca\/2019\/03\/25\/agricultura-ecologica-mitiga-canvi-climatic\/","title":{"rendered":"L&#8217;agricultura ecol\u00f2gica mitiga el canvi clim\u00e0tic"},"content":{"rendered":"<p><strong>Els s\u00f2ls conreats amb producci\u00f3 ecol\u00f2gica a llarg termini emeten 40 per cent menys gasos d&#8217;efecte hivernacle per hect\u00e0rea que els s\u00f2ls conreats convencionalment.<\/strong> La quantitat de gas em\u00e8s tamb\u00e9 \u00e9s menor per tona de rendiment o, en el cas del cultiu de blat de moro, igual. Aquest \u00e9s el resultat d&#8217;un estudi realitzat com a part de l&#8217;experiment de camp a llarg termini &#8220;DOK&#8221;.<br \/>\n<!--more--><\/p>\n<figure id=\"attachment_25600\" aria-describedby=\"caption-attachment-25600\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-25600\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/dok_versuch.jpg\" alt=\"Organic farming mitigates climate change\" width=\"800\" height=\"527\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/dok_versuch.jpg 800w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/dok_versuch-768x506.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/dok_versuch-696x458.jpg 696w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/dok_versuch-638x420.jpg 638w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-25600\" class=\"wp-caption-text\">Foto a\u00e8ria de les \u00e0rees de la prova de camp DOK a Therwil, Su\u00efssa. (Foto: FiBL)<\/figcaption><\/figure>\n<p>L&#8217;estudi va ser dirigit pel <strong>Dr. Andreas Gattinger<\/strong>, un ex investigador de FiBL, que ara \u00e9s professor a la Universitat de Giessen. Els resultats es van publicar recentment a l&#8217;edici\u00f3 en l\u00ednia de la revista cient\u00edfica &#8220;Scientific Reports&#8221;.<\/p>\n<p>L&#8217;agricultura representa al voltant del 11 per cent de les emissions globals de gasos d&#8217;efecte hivernacle. Les emissions del s\u00f2l representen la major part, especialment en forma d&#8217;\u00f2xid nitr\u00f3s. <em>&#8220;Encara que anteriorment s&#8217;havia pensat que les \u00e0rees cultivades org\u00e0nicament emeten m\u00e9s gasos d&#8217;efecte hivernacle per tona de rendiment de cultiu, el nostre estudi mostra una imatge diferent&#8221;<\/em>, diu Gattinger. <em>&#8220;L&#8217;agricultura ecol\u00f2gica contribueix a mitigar el canvi clim\u00e0tic&#8221;.<\/em><\/p>\n<p><span style=\"color: #111111; font-family: Roboto, sans-serif; font-size: 22px;\">Comparaci\u00f3 de cultius des de 1978<\/span><\/p>\n<p>L&#8217;estudi ha estat realitzat per l&#8217;Institut d&#8217;Investigaci\u00f3 d&#8217;Agricultura Org\u00e0nica (FiBL) i el centre su\u00eds d&#8217;excel\u00b7l\u00e8ncia en investigaci\u00f3 agr\u00edcola Agroscope en l&#8217;experiment DOK a Therwil (Cant\u00f3 de Basel-Landschaft, Su\u00efssa). En l&#8217;assaig DOK, el cultiu bio-din\u00e0mic (D), bio-org\u00e0nic (O) i convencional (K) de cultius herbacis com blat, patates, blat de moro, soja o tr\u00e8vol s&#8217;ha comparat des de 1978 en el mateix lloc. Des de 2012, el gas d&#8217;efecte hivernacle m\u00e9s important en l&#8217;agricultura, l&#8217;\u00f2xid nitr\u00f3s (N2O), s&#8217;ha determinat en cinc sistemes de cultiu en la seq\u00fc\u00e8ncia de cultius tr\u00e8vol de pastura-blat de moro-verd en guaret. Aquests sistemes inclo\u00efen dos sistemes de cultiu org\u00e0nic (bio-din\u00e0mic i bio-org\u00e0nic) i dues convencionals (amb \/ sense fems), aix\u00ed com un sistema de control sense fertilitzar.<\/p>\n<h3>L&#8217;agricultura biodin\u00e0mica, amb les menors emissions d&#8217;\u00f2xid nitr\u00f3s<\/h3>\n<p><strong>El resultat: les \u00e0rees cultivades en producci\u00f3 ecol\u00f2gica tenien al voltant d&#8217;un 40 per cent menys d&#8217;emissions d&#8217;\u00f2xid nitr\u00f3s per hect\u00e0rea que les parcel\u00b7les de camp de cultiu convencional.<\/strong> En termes de rendiment, el sistema biodin\u00e0mic va tenir les emissions m\u00e9s baixes d&#8217;\u00f2xid nitr\u00f3s, el tractament de control de &#8220;fertilitzaci\u00f3 zero&#8221; va ser el m\u00e9s alt. El rendiment del blat de moro no va mostrar difer\u00e8ncies en les emissions d&#8217;\u00f2xid nitr\u00f3s entre l&#8217;agricultura org\u00e0nica i convencional.<\/p>\n<figure id=\"attachment_25601\" aria-describedby=\"caption-attachment-25601\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-25601\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/klimagasmessung.jpg\" alt=\"organic farming mitigates climate change agricultura ecol\u00f3gica cambio clim\u00e1tico Soil gas measurements in clover grass plots. (Photo: FiBL, Thomas Alf\u00f6ldi)\" width=\"800\" height=\"591\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/klimagasmessung.jpg 800w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/klimagasmessung-768x567.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/klimagasmessung-80x60.jpg 80w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/klimagasmessung-696x514.jpg 696w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/klimagasmessung-569x420.jpg 569w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-25601\" class=\"wp-caption-text\">Mesuraments de gasos del s\u00f2l en parcel\u00b7les de tr\u00e8vol. (Foto: FiBL, Thomas Alf\u00f6ldi)<\/figcaption><\/figure>\n<p><em>&#8220;Aix\u00f2 demostra que no nom\u00e9s la ren\u00fancia a grans quantitats de fertilitzants qu\u00edmics condueix a la reducci\u00f3 de les emissions en la producci\u00f3 vegetal, sin\u00f3 tamb\u00e9 l&#8217;\u00fas selectiu de diverses rotacions de cultius i esmenes basades en granges, com el fem i el fang per mantenir les funcions importants del s\u00f2l&#8221;,<\/em> diuen els autors. Aquesta troballa est\u00e0 recolzat pel fet que els indicadors importants de la fertilitat del s\u00f2l, com el valor del pH (acidesa d&#8217;un s\u00f2l), la mat\u00e8ria org\u00e0nica en forma d&#8217;humus i la biomassa microbiana a terra es van correlacionar negativament amb les emissions d&#8217;\u00f2xid nitr\u00f3s.<\/p>\n<p><em>&#8220;Amb aquestes troballes, els sistemes agr\u00edcoles poden optimitzar pel que fa a les seves emissions de gasos d&#8217;efecte hivernacle&#8221;<\/em>, diuen els autors. Els resultats de l&#8217;estudi ara hauran de ser transferits a diferents s\u00f2ls, regions i sistemes de cultiu a trav\u00e9s de m\u00e9s estudis a llarg termini.<\/p>\n<p>El treball per a l&#8217;estudi va ser recolzat per les Oficines Federals Su\u00efsses per al Medi Ambient (FOEN) i l&#8217;Agricultura (FOAG), la Fundaci\u00f3 Mercator Su\u00efssa i la Fundaci\u00f3 Nacional de Ci\u00e8ncia de Su\u00efssa com a part del Programa Nacional d&#8217;Investigaci\u00f3 \u00das Sostenible del S\u00f2l com recurs NRP 68.<\/p>\n<p><em>Aquesta not\u00edcia es basa en el comunicat de premsa &#8220;\u00d6kolandbau mindert Klimawandel&#8221;, que va ser publicat per Justus Liebig University Giessen el 14 de mar\u00e7.<\/em><\/p>\n<p><strong>Per a m\u00e9s informaci\u00f3 visiti\u00a0<a href=\"https:\/\/www.fibl.org\/\" target=\"_blank\" rel=\"noopener\">www.fibl.org<\/a><\/strong><\/p>\n<p><strong><em>Bio Eco Actual<\/em><\/strong>,<em>\u00a0el teu mensual 100% ecol\u00f2gic<\/em><strong><br \/>\nLlegir\u00a0<a href=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/02\/BioEcoActual_Marc_2019.pdf\" target=\"_blank\" rel=\"noopener\">Bio Eco Actual\u00a0Mar\u00e7 2019<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Els s&ograve;ls conreats amb producci&oacute; ecol&ograve;gica a llarg termini emeten 40 per cent menys gasos d&rsquo;efecte hivernacle per hect&agrave;rea que els s&ograve;ls conreats convencionalment. La quantitat de gas em&egrave;s tamb&eacute; &eacute;s menor per tona de rendiment o, en el cas del cultiu de blat de moro, igual. Aquest &eacute;s el resultat d&rsquo;un estudi realitzat com [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":25600,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7164,7177,7160],"tags":[],"class_list":["post-25605","post","type-post","status-publish","format-standard","has-post-thumbnail","category-actualitat","category-alimentacio-ecologica","category-medi-ambient"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L&#039;agricultura ecol\u00f2gica mitiga el canvi clim\u00e0tic - Bio Eco Actual<\/title>\n<meta name=\"description\" content=\"Els s\u00f2ls conreats amb producci\u00f3 ecol\u00f2gica a llarg termini emeten 40 per cent menys gasos d&#039;efecte hivernacle per hect\u00e0rea\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bioecoactual.com\/ca\/2019\/03\/25\/agricultura-ecologica-mitiga-canvi-climatic\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L&#039;agricultura ecol\u00f2gica mitiga el canvi clim\u00e0tic\" \/>\n<meta property=\"og:description\" content=\"Els s\u00f2ls conreats amb producci\u00f3 ecol\u00f2gica a llarg termini emeten 40 per cent menys gasos d&#039;efecte hivernacle per hect\u00e0rea\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bioecoactual.com\/ca\/2019\/03\/25\/agricultura-ecologica-mitiga-canvi-climatic\/\" \/>\n<meta property=\"og:site_name\" content=\"Bio Eco Actual\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/BioEcoActual\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-03-25T14:43:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-13T13:35:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/03\/dok_versuch.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"527\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bio Eco Actual\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bioecoactual\" \/>\n<meta name=\"twitter:site\" content=\"@bioecoactual\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bio Eco Actual\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/03\\\/25\\\/agricultura-ecologica-mitiga-canvi-climatic\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/03\\\/25\\\/agricultura-ecologica-mitiga-canvi-climatic\\\/\"},\"author\":{\"name\":\"Bio Eco Actual\",\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/#\\\/schema\\\/person\\\/4eb27170188afd2546937159310c0273\"},\"headline\":\"L&#8217;agricultura ecol\u00f2gica mitiga el canvi clim\u00e0tic\",\"datePublished\":\"2019-03-25T14:43:48+00:00\",\"dateModified\":\"2025-06-13T13:35:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/03\\\/25\\\/agricultura-ecologica-mitiga-canvi-climatic\\\/\"},\"wordCount\":772,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/03\\\/25\\\/agricultura-ecologica-mitiga-canvi-climatic\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bioecoactual.com\\\/wp-content\\\/uploads\\\/2019\\\/03\\\/dok_versuch.jpg\",\"articleSection\":[\"Actualitat - 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