{"id":3073,"date":"2025-03-19T14:23:43","date_gmt":"2025-03-19T13:23:43","guid":{"rendered":"https:\/\/holosem.ch\/le-concept-de-controle-de-lerosion-holosem\/"},"modified":"2025-03-20T15:27:46","modified_gmt":"2025-03-20T14:27:46","slug":"le-concept-de-controle-de-lerosion-holosem","status":"publish","type":"post","link":"https:\/\/holosem.ch\/fr\/le-concept-de-controle-de-lerosion-holosem\/","title":{"rendered":"Le concept de contr\u00f4le de l&rsquo;\u00e9rosion HoloSem"},"content":{"rendered":"\n<p>Aux clients qui demandent une v\u00e9g\u00e9talisation rapide, nous r\u00e9pondons toujours cela : les bonnes choses prennent du temps, comme le bon vin. Il n&rsquo;y a pas de miracle, il faut du temps! Contrairement aux plantes des \u00e9cosyst\u00e8mes fertilis\u00e9s et pauvres en esp\u00e8ces, les plantes des \u00e9cosyst\u00e8mes riches en esp\u00e8ces s&rsquo;\u00e9tablissent lentement, certaines d&rsquo;entre elles n\u00e9cessitent m\u00eame 2 \u00e0 3 ans.  <br\/><br\/>Mais quand le risque d&rsquo;\u00e9rosion est en jeu, cette r\u00e9ponse n&rsquo;est \u00e9videmment pas satisfaisante. Dans ce cas, il faut aussi une protection maximale \u00e0 court terme par une couverture v\u00e9g\u00e9tale. Mais l\u00e0 encore, il existe des solutions. Nous souhaitons vous pr\u00e9senter bri\u00e8vement le <strong>concept de lutte contre l&rsquo;\u00e9rosion HoloSem <\/strong>. Il concilie les contradictions apparentes entre la biodiversit\u00e9 et la v\u00e9g\u00e9talisation la plus rapide possible et offre une solution \u00e9prouv\u00e9e pour les domaines d&rsquo;application les plus divers, m\u00eame dans les situations difficiles et critiques en termes d&rsquo;\u00e9rosion.    <\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Long terme vs court terme<\/strong><\/h2>\n\n<p>Pour que les plantes se d\u00e9veloppent le plus rapidement possible, on utilise souvent des engrais. Cela acc\u00e9l\u00e8re certes rapidement le d\u00e9veloppement des plantes au cours des premiers mois, mais cela pr\u00e9sente deux inconv\u00e9nients majeurs : d&rsquo;une part, de nombreuses esp\u00e8ces v\u00e9g\u00e9tales adapt\u00e9es au site sont affect\u00e9es par l&rsquo;apport d&rsquo;engrais ou n&rsquo;apparaissent pas du tout. D&rsquo;autre part, la fertilisation incite les plantes \u00e0 d\u00e9velopper un syst\u00e8me racinaire superficiel. C&rsquo;est \u00e9galement la raison pour laquelle les prairies fertilis\u00e9es sont beaucoup plus sujettes aux glissements de terrain que les prairies non fertilis\u00e9es et riches en esp\u00e8ces (fig. 1). Pour que la v\u00e9g\u00e9tation d\u00e9veloppe un <strong>syst\u00e8me racinaire en profondeur<\/strong>, nous d\u00e9conseillons donc g\u00e9n\u00e9ralement l&rsquo;utilisation d&rsquo;engrais dans les prairies.    <br\/><br\/>Pour compenser le ralentissement de la croissance dans la phase initiale et assurer ainsi une protection rapide du sol malgr\u00e9 l&rsquo;\u00e9tablissement lent des esp\u00e8ces de prairies sem\u00e9es, l&rsquo;<strong>utilisation de cultures de couverture <\/strong>a fait ses preuves depuis de nombreuses ann\u00e9es pour les surfaces menac\u00e9es par l&rsquo;\u00e9rosion. Les cultures de couverture sont sem\u00e9es en m\u00eame temps que les autres semences et se d\u00e9veloppent tr\u00e8s rapidement, m\u00eame sans fertilisation. Comme elles sont annuelles, elles laissent ensuite progressivement la place aux autres esp\u00e8ces sem\u00e9es qui poussent plus lentement (figure 2).  <\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1492\" height=\"857\" src=\"https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/Picture1-2.jpg\" alt=\"\" class=\"wp-image-3067\" srcset=\"https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/Picture1-2.jpg 1492w, https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/Picture1-2-768x441.jpg 768w\" sizes=\"(max-width: 1492px) 100vw, 1492px\" \/><figcaption class=\"wp-element-caption\">Fig. 1 : La diversit\u00e9 d&rsquo;une v\u00e9g\u00e9tation stable et adapt\u00e9e au site est la meilleure protection contre l&rsquo;\u00e9rosion (\u00e0 gauche), tandis que les v\u00e9g\u00e9talisations pauvres en esp\u00e8ces n&rsquo;ont souvent que des racines superficielles et n&rsquo;offrent que peu de protection (\u00e0 droite). Source : Guide de la v\u00e9g\u00e9talisation conforme \u00e0 la nature \/ Forum Biodiversit\u00e9.  <\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"766\" height=\"416\" src=\"https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/Picture2-1.png\" alt=\"\" class=\"wp-image-3044\"\/><figcaption class=\"wp-element-caption\">Fig. 2 : Le principe de substitution des esp\u00e8ces dans le temps avec des cultures de couverture et des cultures intercalaires cibl\u00e9es (\u00ab\u00a0semences compl\u00e9mentaires\u00a0\u00bb). Cela permet d&rsquo;assurer une couverture v\u00e9g\u00e9tale tr\u00e8s rapide avec une protection contre l&rsquo;\u00e9rosion rapide correspondante. La v\u00e9g\u00e9tation autochtone de la \u00ab\u00a0semence principale\u00a0\u00bb a ainsi le temps de se d\u00e9velopper sous les cultures de couverture, bien prot\u00e9g\u00e9es et sans apport d&rsquo;engrais, et de d\u00e9velopper un syst\u00e8me racinaire tr\u00e8s ramifi\u00e9. Source : \u00d6+L GmbH.    <\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n<p>Pour les surfaces plus pentues, il est recommand\u00e9 de poser, en plus, <strong>des nattes non-tiss\u00e9es anti-\u00e9rosion<\/strong>. Nous utilisons les <a href=\"https:\/\/www.lindner.ch\/de\/holzwolle-manufaktur\/howolis-erosionsschutz-drainage-faschinen-abdichtungsmatten\/howolis-erosionsschutzvlies\/\">nattes non-tiss\u00e9es en laine de bois Howolis<\/a>, qui ont fait leurs preuves, fabriqu\u00e9es \u00e0 partir de bois suisse et sp\u00e9cifiquement adapt\u00e9es aux semences autochtones. Elles offrent non seulement une bonne protection contre les fortes pr\u00e9cipitations, mais prot\u00e8gent \u00e9galement le sol sous-jacent contre le dess\u00e8chement en raison de leur capacit\u00e9 d&rsquo;absorption, ce qui peut \u00eatre un avantage pour les jeunes semis, en particulier sur les sites expos\u00e9s. Apr\u00e8s 1 \u00e0 2 ans, les nattes non-tiss\u00e9es, \u00e9tant enti\u00e8rement compos\u00e9es de substances naturelles, se dissolvent et la v\u00e9g\u00e9tation riche en esp\u00e8ces \u00e9tablie peut alors prendre en charge la protection de mani\u00e8re efficace et \u00e0 long terme.   <\/p>\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n<p>L&rsquo;utilisation de semences autochtones adapt\u00e9es au site et riches en esp\u00e8ces, associ\u00e9e \u00e0 des cultures de couverture et \u00e0 des nattes non-tiss\u00e9es anti-\u00e9rosion, permet de r\u00e9aliser le tour de force de combiner la diversit\u00e9 des esp\u00e8ces et une protection optimale contre l&rsquo;\u00e9rosion \u00e0 court et \u00e0 long terme.<br\/><br\/><strong>PS<\/strong>: Lorsque les solutions d\u00e9crites n&rsquo;offrent pas une protection suffisante, des techniques plus avanc\u00e9es sont n\u00e9cessaires. Le r\u00e9seau d&rsquo;experts <a href=\"https:\/\/www.k3b.ch\/de\/\">K3B<\/a>, que HoloSem a contribu\u00e9 \u00e0 mettre en place, propose de telles solutions \u00e0 nos clients. &#8211; \u00d6+L d\u00e9veloppe actuellement de nouvelles solutions pour les conditions difficiles des rives des cours d&rsquo;eau en collaboration avec Lindner Suisse. <strong>Avez-vous un projet de revitalisation de cours d&rsquo;eau o\u00f9 le nouveau produit, bas\u00e9 sur des semences autochtones de berges, peut \u00eatre test\u00e9<\/strong>? N&rsquo;h\u00e9sitez pas \u00e0 nous contacter.   <\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1620\" height=\"1080\" src=\"https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/AnsaatHoloSem_Boeschung_Sigirino-1620x1080.jpg\" alt=\"\" class=\"wp-image-3029\" srcset=\"https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/AnsaatHoloSem_Boeschung_Sigirino-1620x1080.jpg 1620w, https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/AnsaatHoloSem_Boeschung_Sigirino-768x512.jpg 768w, https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/AnsaatHoloSem_Boeschung_Sigirino-1536x1024.jpg 1536w, https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/AnsaatHoloSem_Boeschung_Sigirino.jpg 1920w\" sizes=\"(max-width: 1620px) 100vw, 1620px\" \/><figcaption class=\"wp-element-caption\">Un talus avec des esp\u00e8ces v\u00e9g\u00e9tales indig\u00e8nes vari\u00e9es ne remplit pas seulement une fonction stabilisatrice, il est aussi un v\u00e9ritable plaisir pour les yeux. Ce talus de route au Tessin, v\u00e9g\u00e9talis\u00e9 avec des semences HoloSem, en est un exemple. <\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Dans le cas d&rsquo;ensemencements sur des surfaces sensibles \u00e0 l&rsquo;\u00e9rosion, le d\u00e9veloppement d&rsquo;une v\u00e9g\u00e9tation adapt\u00e9e au site, et donc stable \u00e0 long terme, et riche en esp\u00e8ces est essentiel pour une protection durable contre l&rsquo;\u00e9rosion. Comment minimiser le risque d&rsquo;\u00e9rosion \u00e0 court terme, qui est plus \u00e9lev\u00e9 dans le cas d&rsquo;ensemencements riches en esp\u00e8ces, en raison de leur d\u00e9veloppement plus lent ? <\/p>\n","protected":false},"author":3,"featured_media":3051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"queryLoopSortOrder":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[13],"tags":[152,110],"class_list":["post-3073","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","tag-k3b-fr","tag-semences-autochtones"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le concept de contr\u00f4le de l&#039;\u00e9rosion HoloSem - HoloSem Saatgut &amp; Begr\u00fcnungen<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/holosem.ch\/fr\/le-concept-de-controle-de-lerosion-holosem\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le concept de contr\u00f4le de l&#039;\u00e9rosion HoloSem - HoloSem Saatgut &amp; Begr\u00fcnungen\" \/>\n<meta property=\"og:description\" content=\"Dans le cas d&#039;ensemencements sur des surfaces sensibles \u00e0 l&#039;\u00e9rosion, le d\u00e9veloppement d&#039;une v\u00e9g\u00e9tation adapt\u00e9e au site, et donc stable \u00e0 long terme, et riche en esp\u00e8ces est essentiel pour une protection durable contre l&#039;\u00e9rosion. Comment minimiser le risque d&#039;\u00e9rosion \u00e0 court terme, qui est plus \u00e9lev\u00e9 dans le cas d&#039;ensemencements riches en esp\u00e8ces, en raison de leur d\u00e9veloppement plus lent ?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/holosem.ch\/fr\/le-concept-de-controle-de-lerosion-holosem\/\" \/>\n<meta property=\"og:site_name\" content=\"HoloSem Saatgut &amp; Begr\u00fcnungen\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-19T13:23:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-20T14:27:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/holosem.ch\/wp-content\/uploads\/2025\/03\/Frisch_angesaete_Neat_Aushubhalde_Ceneri.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1275\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daniel Slodowicz\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Slodowicz\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/le-concept-de-controle-de-lerosion-holosem\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/le-concept-de-controle-de-lerosion-holosem\\\/\"},\"author\":{\"name\":\"Daniel Slodowicz\",\"@id\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/#\\\/schema\\\/person\\\/49b52a4e3ba30259b0c65330aec38741\"},\"headline\":\"Le concept de contr\u00f4le de l&rsquo;\u00e9rosion HoloSem\",\"datePublished\":\"2025-03-19T13:23:43+00:00\",\"dateModified\":\"2025-03-20T14:27:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/le-concept-de-controle-de-lerosion-holosem\\\/\"},\"wordCount\":902,\"publisher\":{\"@id\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/le-concept-de-controle-de-lerosion-holosem\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/holosem.ch\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/Frisch_angesaete_Neat_Aushubhalde_Ceneri.jpg\",\"keywords\":[\"K3B\",\"Semences autochtones\"],\"articleSection\":[\"Non classifi\u00e9(e)\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/le-concept-de-controle-de-lerosion-holosem\\\/\",\"url\":\"https:\\\/\\\/holosem.ch\\\/fr\\\/le-concept-de-controle-de-lerosion-holosem\\\/\",\"name\":\"Le concept de contr\u00f4le de l'\u00e9rosion HoloSem - HoloSem Saatgut &amp; 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