{"id":63035,"date":"2022-09-26T09:29:47","date_gmt":"2022-09-26T07:29:47","guid":{"rendered":"https:\/\/www.bioecoactual.com\/?p=63035"},"modified":"2025-10-05T14:01:10","modified_gmt":"2025-10-05T12:01:10","slug":"salut-del-sol-i-densitat-nutricional-aliments","status":"publish","type":"post","link":"https:\/\/www.bioecoactual.com\/ca\/2022\/09\/26\/salut-del-sol-i-densitat-nutricional-aliments\/","title":{"rendered":"La salut del s\u00f2l i la densitat nutricional dels aliments"},"content":{"rendered":"<p>La nostra salut dep\u00e8n del benestar de tots els ecosistemes que ens envolten, incl\u00f2s el s\u00f2l. Cada cop som m\u00e9s conscients de la import\u00e0ncia de cuidar el medi ambient i de ser sostenibles, ja que aix\u00f2 \u00e9s imprescindible per mantenir la salut del planeta i de nosaltres mateixos. I, encara que no se\u2019n parli tant, \u00e9s de vital import\u00e0ncia mantenir la salut dels nostres s\u00f2ls, on radica l\u2019ess\u00e8ncia de la vida en forma de nutrients i altres subst\u00e0ncies que es traslladen als aliments que mengem. <strong>Si el terra s\u2019empobreix i perd la salut, nosaltres tamb\u00e9<\/strong>.<!--more--><\/p>\n<figure id=\"attachment_63028\" aria-describedby=\"caption-attachment-63028\" style=\"width: 1234px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-63028\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-suelo.png\" alt=\"salud del suelo\" width=\"1234\" height=\"484\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-suelo.png 1234w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-suelo-768x301.png 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-suelo-696x273.png 696w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-suelo-1068x419.png 1068w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-suelo-1071x420.png 1071w\" sizes=\"auto, (max-width: 1234px) 100vw, 1234px\" \/><figcaption id=\"caption-attachment-63028\" class=\"wp-caption-text\">123rfLimited\u00a9tomwang<\/figcaption><\/figure>\n<h2>Sense s\u00f2l no hi ha vida<\/h2>\n<p><strong>El s\u00f2l \u00e9s el substrat on creix la vida<\/strong>, s\u2019hi desenvolupen les plantes i amb elles tota la resta de les esp\u00e8cies vives al planeta. A ning\u00fa no se li escapa el fet que en un desert \u00e9s molt dif\u00edcil, per no dir impossible, sobreviure sense recursos externs, ja que no es pot obtenir res d\u2019aliment de la terra. A la nostra Terra hi ha zones plenes de vida, com les selves de l\u2019Amazones o els boscos d\u2019Europa, zones dedicades a l\u2019agricultura, cada cop m\u00e9s extenses i intensives per la gran demanda i creixement de la poblaci\u00f3 i zones des\u00e8rtiques on ja res no pot cr\u00e9ixer i res no es pot plantar. El s\u00f2l \u00e9s un <strong>ecosistema viu<\/strong>, en la seva salut participen molts elements com la pres\u00e8ncia de fullaraca, microorganismes, com fongs i bacteris, i fins i tot petits animals, com els cucs, que fan que les condicions de temperatura, humitat i oxigenaci\u00f3 siguin bones i el nivell de mat\u00e8ria org\u00e0nica i minerals sigui \u00f2ptim. Aix\u00f2 \u00e9s un s\u00f2l f\u00e8rtil, amb una bona salut que garanteix la nostra i la d\u2019altres \u00e9ssers vius. Sense terra no hi ha vida.<\/p>\n<blockquote><p>Un s\u00f2l f\u00e8rtil amb una bona salut garanteix la nostra i la d\u2019altres \u00e9ssers vius<\/p><\/blockquote>\n<p>Ja des de la d\u00e8cada de 1940 es va comen\u00e7ar a estudiar l\u2019impacte de les <strong>t\u00e8cniques agr\u00edcoles en la qualitat del s\u00f2l<\/strong>, mostrant ja llavors que aquestes podien afectar la densitat de nutrients dels cultius. A partir d\u2019aqu\u00ed, la controv\u00e8rsia estava servida sobre les difer\u00e8ncies nutricionals entre els cultius org\u00e0nics o ecol\u00f2gics i els convencionals. Estudis m\u00e9s recents ens mostren que les difer\u00e8ncies m\u00e9s consistents entre els cultius ecol\u00f2gics i els convencionals conclouen que els cultius convencionals contenen majors nivells de pesticides, mentre que <strong>els cultius ecol\u00f2gics contenen nivells m\u00e9s alts de subst\u00e0ncies bioactives com els polifenols que mostren propietats antioxidants i antiinflamat\u00f2ries que protegeixen la nostra salut<\/strong>. L\u2019agricultura ecol\u00f2gica \u00e9s m\u00e9s respectuosa amb el medi ambient, menys intensiva i tendeix a mantenir una mica millor la salut del s\u00f2l respecte de les pr\u00e0ctiques agr\u00edcoles convencionals que el degraden progressivament. Ambd\u00f3s m\u00e8todes, per\u00f2, depenen d\u2019eliminar la \u201cmalesa\u201d del s\u00f2l i aix\u00f2, en qualsevol cas, altera la seva salut, reduint la seva mat\u00e8ria org\u00e0nica i la seva biodiversitat i limitant la seva capacitat d\u2019aportar aquests nutrients i subst\u00e0ncies positives per a la nostra salut. De totes maneres, en tots dos casos es pot millorar aquesta situaci\u00f3 amb t\u00e8cniques que assegurin una bona quantitat de mat\u00e8ria org\u00e0nica, amb l\u2019\u00fas de <strong>compost<\/strong>, l\u2019<strong>enriquiment microbi\u00e0<\/strong> i assegurant la pres\u00e8ncia del <strong>mantell<\/strong> o <strong>humus<\/strong>. Per aix\u00f2, els efectes de l\u2019agricultura a la densitat nutricional dels nostres aliments no depenen \u00fanicament de si es tracta de la pr\u00e0ctica convencional o l\u2019ecol\u00f2gica.<\/p>\n<blockquote><p>Els cultius ecol\u00f2gics contenen nivells m\u00e9s alts de subst\u00e0ncies bioactives que mostren propietats antioxidants i antiinflamat\u00f2ries que protegeixen la nostra salut<\/p><\/blockquote>\n<p>Diverses comparacions realitzades en estudis independents indiquen que les pr\u00e0ctiques agr\u00edcoles regeneratives o agricultura de conservaci\u00f3 milloren els perfils nutricionals dels cultius i fins i tot del bestiar. Les pr\u00e0ctiques regeneratives que combinen el <strong>guaret<\/strong> <strong>o<\/strong> <strong>descans de la terra<\/strong> durant un temps, els <strong>cultius de cobertura<\/strong> amb plantes herb\u00e0cies en alternan\u00e7a amb els cultius o en coexist\u00e8ncia i la <strong>rotaci\u00f3 de les esp\u00e8cies cultivades<\/strong>, produeixen cultius amb nivells m\u00e9s alts de mat\u00e8ria org\u00e0nica del s\u00f2l i nivells m\u00e9s grans de certes vitamines, minerals i subst\u00e0ncies bioactives. Curiosament, eren les pr\u00e0ctiques habituals en la generaci\u00f3 dels nostres avis, el desenvolupament ha anat m\u00e9s enll\u00e0 de les capacitats de la terra. Per menjar aliments m\u00e9s rics nutricionalment i que aix\u00f2 repercuteixi positivament en la nostra salut, hem de tenir cura dels nostres s\u00f2ls.<\/p>\n<figure id=\"attachment_63031\" aria-describedby=\"caption-attachment-63031\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-63031\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-del-suelo.png\" alt=\"salud del suelo\" width=\"1200\" height=\"750\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-del-suelo.png 1200w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-del-suelo-768x480.png 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-del-suelo-696x435.png 696w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-del-suelo-1068x668.png 1068w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/09\/fertilidad-del-suelo-672x420.png 672w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-63031\" class=\"wp-caption-text\">123rfLimited\u00a9javiindy<\/figcaption><\/figure>\n<h3>Qu\u00e8 podem fer?<\/h3>\n<p><strong>El s\u00f2l f\u00e8rtil s\u2019est\u00e0 extingint<\/strong>. Fins ara, l\u2019agricultura ha degradat fins a un ter\u00e7 de les terres agr\u00edcoles potencials del m\u00f3n i, segons un informe recent de les Nacions Unides, la humanitat segueix cam\u00ed de degradar un altre ter\u00e7 de la producci\u00f3 agr\u00edcola mundial durant aquest segle. Sembla que, tret que canviem la forma com gestionem el s\u00f2l, m\u00e9s del 90% es podria degradar d\u2019aqu\u00ed al 2050, i la crisi aliment\u00e0ria mundial ser\u00e0 inevitable (Frontiers in Sustainable Food Systems). \u00c9s el moment de passar a l\u2019acci\u00f3.<\/p>\n<blockquote><p>Les q\u00fcestions ecol\u00f2giques s\u00f3n de m\u00e0xima prioritat i aix\u00ed ho haurien de ser per als governs de tot el m\u00f3n<\/p><\/blockquote>\n<p>Fa molts anys que es lluita per una humanitat m\u00e9s respectuosa amb el medi ambient, per\u00f2 ara les q\u00fcestions ecol\u00f2giques s\u00f3n de m\u00e0xima prioritat i aix\u00ed ho haurien de ser per als governs de tot el m\u00f3n. Cadasc\u00fa de nosaltres pot col\u00b7laborar per que aix\u00f2 sigui aix\u00ed i com m\u00e9s persones siguem conscients de la import\u00e0ncia d\u2019aquest tema, millor. El fet de consumir menjar ecol\u00f2gic o de producci\u00f3 integrada i especialment de petits productors locals que tinguin aquesta sensibilitat i cuiden el s\u00f2l que cultiven \u00e9s una ajuda, per\u00f2 no n\u2019hi ha prou. Actualment, els dos instruments m\u00e9s importants amb qu\u00e8 comptem s\u00f3n <strong>la nostra veu i el nostre vot<\/strong>. La nostra veu per mostrar als governs la nostra preocupaci\u00f3 pel s\u00f2l, per conscienciar com m\u00e9s persones millor sobre el problema i tamb\u00e9 sobre els beneficis de solucionar-ho. I el nostre vot electoral, per triar aquells que realment s\u2019encarregaran d\u2019implementar pol\u00edtiques en aquesta direcci\u00f3. <strong>Tot per un planeta m\u00e9s sostenible, un s\u00f2l ric i f\u00e8rtil i una millor salut de tots<\/strong>.<\/p>\n<p><strong>Autora:\u00a0<\/strong>Laura I. Arranz, Doctora en Nutrici\u00f3, farmac\u00e8utica i dietista-nutricionista<\/p>\n<p><a href=\"https:\/\/www.bioecoactual.com\/ca\/subscripcio\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Subscriu-te<\/strong><\/a><strong> a la Newsletter i rep cada mes Bio Eco Actual gratis al teu correu<\/strong><\/p>\n<p><strong><em>Bio Eco Actual<\/em>, <em>el teu mensual 100% ecol\u00f2gic<\/em><br \/>\nLlegir <\/strong><a href=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/08\/BioEcoActual_Setembre_2022.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Bio Eco Actual Setembre 2022<\/strong><\/a><\/p>\n<p><iframe style=\"border: none; width: 100%; height: 520px;\" src=\"\/\/e.issuu.com\/embed.html?d=bioecoactual_setembre_2022&amp;hideIssuuLogo=true&amp;showOtherPublicationsAsSuggestions=true&amp;u=bioecoactual\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La nostra salut dep&egrave;n del benestar de tots els ecosistemes que ens envolten, incl&ograve;s el s&ograve;l. Cada cop som m&eacute;s conscients de la import&agrave;ncia de cuidar el medi ambient i de ser sostenibles, ja que aix&ograve; &eacute;s imprescindible per mantenir la salut del planeta i de nosaltres mateixos. I, encara que no se&rsquo;n parli tant, [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":63029,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7160],"tags":[],"class_list":["post-63035","post","type-post","status-publish","format-standard","has-post-thumbnail","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>La salut del s\u00f2l i la densitat nutricional dels aliments - Bio Eco Actual<\/title>\n<meta name=\"description\" content=\"La nostra salut dep\u00e8n del benestar de tots els ecosistemes que ens envolten. 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