{"id":2588,"date":"2019-03-28T09:14:35","date_gmt":"2019-03-28T08:14:35","guid":{"rendered":"http:\/\/agora.xtec.cat\/ecamanresa\/?p=2588"},"modified":"2019-03-28T09:20:33","modified_gmt":"2019-03-28T08:20:33","slug":"gerard-ducerf-torna-a-apropar-nos-el-llenguatge-de-les-plantes","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ecamanresa\/general\/gerard-ducerf-torna-a-apropar-nos-el-llenguatge-de-les-plantes\/","title":{"rendered":"G\u00e9rard Ducerf torna a apropar-nos el llenguatge de les plantes"},"content":{"rendered":"<p>Qu\u00e8 ens diuen les plantes del s\u00f2l on creixen?<\/p>\n<p><span style=\"font-family: inherit; font-size: 1em;\">Un any m\u00e9s en G\u00e9rard Ducerf ha respost a la invitaci\u00f3 de l&#8217;Escola i de l&#8217;associaci\u00f3 l&#8217;era i ha tornat a Catalunya per explicar-nos-ho.<\/span><\/p>\n<p>Aquest <span style=\"font-family: inherit; font-size: 1em;\">bot\u00e0nic de camp, agricultor ecol\u00f2gic i autor de \u201cL\u2019encyclop\u00e9die des plantes bio-indicatrices\u201d va ser ahir a Manresa per parlar-nos de\u00a0plantes bioindicadores i bioremediaci\u00f3 de terres contaminades. <\/span><\/p>\n<p><span style=\"font-family: inherit; font-size: 1em;\">En una jornada t\u00e8cnica va comen\u00e7ar exposant les estrat\u00e8gies de lat\u00e8ncia de les llavors i els factors que, trencant-la, permeten la seva germinaci\u00f3 i el creixement posterior de la planta. A continuaci\u00f3 va exposar els principals grups de contaminants dels s\u00f2ls: qu\u00edmics, metalls pesats, ars\u00e8nic, hidromorfirmes aix\u00ed com el cas extrem de s\u00f2ls amb abs\u00e8ncia total de mat\u00e8ria org\u00e0nica. Va parlar de quines plantes podien revelar-nos aquests contaminants. Aix\u00ed vem saber que\u00a0 l&#8217;estramoni ens indica que el s\u00f2l t\u00e9 una forta c\u00e0rrega de pesticides de s\u00edntesi, i especialment de Roundup, o que la corretjola apareix en s\u00f2ls amb una compactaci\u00f3 produ\u00efda per un exc\u00e9s de nitrogen. Finalment va donar-nos les receptes per mitigar aquestes situacions, que sovint passen per l&#8217;aportaci\u00f3 de quantitats importants de mat\u00e8ria org\u00e0nica rica en carboni, que fixar\u00e0 els contaminants en formes estables no t\u00f2xiques. La jornada va reunir una seixantena d&#8217;assistents que van participar activament amb nombroses preguntes i van aplaudir decididament la intervenci\u00f3 de l&#8217;expert.<\/span><\/p>\n<p>El mat\u00ed Ducerf havia estat a Can Poc Oli, explicant a l&#8217;alumnat del cicle formatiu de Producci\u00f3 agroecol\u00f2gica els principis de les plantes bioindicadores, on va realitzar una sessi\u00f3 pr\u00e0ctica en un dels camps de la finca, identificant les esp\u00e8cies vegetals m\u00e9s representatives, assignat un coeficient de recobriment i, a partir de les claus de la seva guia, determinar el grau de pres\u00e8ncia de bases, Ca, aire, aigua, mat\u00e8ria org\u00e0nica, N, P, lixiviaci\u00f3, mineralitzaci\u00f3, erosi\u00f3, salinitat, bloqueigs de P i K, i pres\u00e8ncia de contaminants. A partir d&#8217;aquest tipus de diagnosi podem gestionat el s\u00f2l i la vegetaci\u00f3 que hi creix per corregir les defici\u00e8ncies d&#8217;aquest terreny i afavorir-ne els processos que ens interessin.<\/p>\n<p>L&#8217;estada de Ducerf a Catalunya es completa amb un curs i una jornada t\u00e8cnica realitzada a Balaguer el 25 i 26 de mar\u00e7 i amb un nou curs i una nova jornada a Castell\u00f3 d&#8217;Emp\u00faries el 28 i 29 de mar\u00e7, tots ells organitzats per l&#8217;era i l&#8217;Escola Agr\u00e0ria de Manresa.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ecamanresa\/wp-content\/uploads\/usu866\/2019\/03\/DSC_0035-hz.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2590 size-large\" src=\"https:\/\/agora.xtec.cat\/ecamanresa\/wp-content\/uploads\/usu866\/2019\/03\/DSC_0035-hz-1024x406.jpg\" alt=\"\" width=\"1024\" height=\"406\" srcset=\"https:\/\/agora.xtec.cat\/ecamanresa\/wp-content\/uploads\/usu866\/2019\/03\/DSC_0035-hz-1024x406.jpg 1024w, https:\/\/agora.xtec.cat\/ecamanresa\/wp-content\/uploads\/usu866\/2019\/03\/DSC_0035-hz-300x119.jpg 300w, https:\/\/agora.xtec.cat\/ecamanresa\/wp-content\/uploads\/usu866\/2019\/03\/DSC_0035-hz-768x305.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu\u00e8 ens diuen les plantes del s\u00f2l on creixen?<br \/>\nUn any m\u00e9s en G\u00e9rard Ducerf ha respost a la invitaci\u00f3 de l&#8217;Escola i de l&#8217;associaci\u00f3 l&#8217;era i ha tornat a Catalunya per explicar-nos-ho.<br \/>\nAquest bot\u00e0nic de camp, agricultor ecol\u00f2gic i autor de \u201cL\u2019encyclop\u00e9die des plantes bio-indicatrices\u201d va&hellip;  <a href=\"https:\/\/agora.xtec.cat\/ecamanresa\/general\/gerard-ducerf-torna-a-apropar-nos-el-llenguatge-de-les-plantes\/\" title=\"Read G\u00e9rard Ducerf torna a apropar-nos el llenguatge de les plantes\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":6,"featured_media":2593,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[103,1,108,270,29,101],"tags":[295,294,293,297],"class_list":["post-2588","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alumnes-i-activitats","category-general","category-jornades-tecniques","category-jornades-tecniques-2019","category-portada","category-produccio-agroecologica","tag-bioremediacio","tag-gerard-ducerf","tag-plantes-bioindicadores","tag-sols-contaminats"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/posts\/2588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/comments?post=2588"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/posts\/2588\/revisions"}],"predecessor-version":[{"id":2594,"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/posts\/2588\/revisions\/2594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/media\/2593"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/media?parent=2588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/categories?post=2588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ecamanresa\/wp-json\/wp\/v2\/tags?post=2588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}