{"id":156600,"date":"2026-02-16T09:00:00","date_gmt":"2026-02-16T02:00:00","guid":{"rendered":"https:\/\/www.forestsnews.org\/156600\/biochar-soil-resilience-yangambi"},"modified":"2026-04-02T23:40:41","modified_gmt":"2026-04-02T16:40:41","slug":"biochar-sols-resilience-yangambi","status":"publish","type":"post","link":"https:\/\/www.forestsnews.org\/fr\/156600\/biochar-sols-resilience-yangambi","title":{"rendered":"\u00a0Le biochar pour la r\u00e9silience des syst\u00e8mes socio-\u00e9cologiques : la prochaine fronti\u00e8re \u00e0 Yangambi"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Des sols en bonne sant\u00e9 sont la source discr\u00e8te mais essentielle d\u2019un paysage en bonne sant\u00e9. Ils retiennent l\u2019eau pendant les p\u00e9riodes de s\u00e9cheresse, recyclent et conservent les nutriments, et maintiennent la productivit\u00e9 agricole \u2014 contribuant ainsi \u00e0 prot\u00e9ger les for\u00eats environnantes contre l\u2019empi\u00e8tement agricole.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le <a href=\"https:\/\/www.cifor-icraf.org\/yangambi-engagement-landscape\/\" target=\"_blank\" rel=\"noreferrer noopener\">Paysage d&rsquo;Engagement de Yangambi <\/a>en R\u00e9publique d\u00e9mocratique du Congo (RDC), les sols soutiennent un r\u00e9seau croissant d\u2019activit\u00e9s : agroforesterie, agriculture communautaire, production durable de bois-\u00e9nergie et d\u2019\u00e9lectricit\u00e9 \u00e0 partir de biomasse, \u00e9levage, cultures mara\u00eech\u00e8res, caf\u00e9 et \u00e9ducation environnementale. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd\u2019hui, l\u2019attention se porte davantage sur ce qui se trouve sous nos pieds, autour d\u2019une question pratique : le biochar peut-il aider \u00e0 restaurer les sols de Yangambi tout en renfor\u00e7ant l\u2019approche paysag\u00e8re globale ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le biochar \u2014 un mat\u00e9riau riche en carbone obtenu par la combustion de biomasse avec peu d\u2019oxyg\u00e8ne \u2014 suscite un int\u00e9r\u00eat croissant dans le monde pour sa capacit\u00e9 \u00e0 am\u00e9liorer la sant\u00e9 des sols et \u00e0 stocker le carbone pendant de nombreuses ann\u00e9es. Pour Mary Njenga, chercheure principale sp\u00e9cialis\u00e9e en bio\u00e9nergie et syst\u00e8mes de biochar au <a href=\"https:\/\/www.cifor-icraf.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Centre de Recherche Foresti\u00e8re Internationale et au Centre International de Recherche en Agroforesterie (CIFOR-ICRAF)<\/a>, son potentiel est \u00e0 la fois scientifique et tr\u00e8s concret.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Le biochar relie l\u2019\u00e9nergie, les sols, la production alimentaire, la conservation des for\u00eats et la soci\u00e9t\u00e9 \u00bb, explique Mary Njenga.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Les agriculteurs transforment les r\u00e9sidus d\u2019arbres et de cultures en un intrant pr\u00e9cieux pour les sols, am\u00e9liorant les rendements et les moyens de subsistance tout en r\u00e9duisant la pression sur les for\u00eats. \u00bb <\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-layout-flow wp-container-core-group-is-layout-05f276a1 wp-block-group-is-layout-flow\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:0;padding-bottom:var(--wp--preset--spacing--20);padding-left:0\">\n<div class=\"wp-block-cover has-parallax has-custom-content-position is-position-bottom-left\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;min-height:80vh;aspect-ratio:unset;\"><div role=\"img\" aria-label=\"Farmers applying biochar around banana plants during field trials in Yangambi Engagement Landscape, Democratic Republic of the Congo.\" class=\"wp-block-cover__image-background wp-image-156193 size-full has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.forestsnews.org\/wp-content\/uploads\/Tombwa-Ya-Mboka-CEP-appliying-biochar-16.3.24-scaled.jpeg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#7a8061\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-container-core-cover-is-layout-a2503c34 wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-group has-background is-vertical is-layout-flex wp-container-core-group-is-layout-0a36cb25 wp-block-group-is-layout-flex\" style=\"border-top-right-radius:10px;background-color:#07070780;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<p class=\"has-text-align-right has-base-color has-text-color has-link-color has-small-font-size wp-elements-68ccf855bbc33d28988b402f5949c862 wp-block-paragraph\" style=\"writing-mode:horizontal-tb\">Des agriculteurs des champs -\u00e9coles paysans de Tombwa ya Mboka appliquent du biochar sur des plants de bananier lors d\u2019essais en champ dans le paysage d\u2019intervention de Yangambi, province de la Tshopo, en R\u00e9publique d\u00e9mocratique du Congo. Cr\u00e9dit Photo : CIFOR-ICRAF.<\/p>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tester-le-biochar-sur-de-vraies-exploitations-agricoles\"><strong>Tester le biochar sur de vraies exploitations agricoles<\/strong>\u00a0\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Entre 2024 et d\u00e9but 2025, des essais comparatifs ont \u00e9t\u00e9 men\u00e9s sur trois saisons agricoles dans des fermes pilotes \u00e0 Yangambi et Yanonge, ainsi qu\u2019au sein des <a href=\"https:\/\/www.forestsnews.org\/85293\/first-fruits-for-farmer-field-schools-in-the-yangambi-engagement-landscape-drc\" target=\"_blank\" rel=\"noreferrer noopener\">Champs \u00e9coles paysans<\/a>. Les chercheurs ont \u00e9valu\u00e9 diff\u00e9rentes sources de biochar \u2014 notamment des mat\u00e9riaux issus d\u2019une centrale \u00e9lectrique \u00e0 biomasse locale et des r\u00e9sidus provenant de la production durable de charbon \u2014 appliqu\u00e9s seuls ou m\u00e9lang\u00e9s au fumier pour am\u00e9liorer la disponibilit\u00e9 des nutriments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces essais ont permis de g\u00e9n\u00e9rer des donn\u00e9es sur les b\u00e9n\u00e9fices des applications r\u00e9p\u00e9t\u00e9es, les conditions initiales des sols, les effets imm\u00e9diats de l\u2019application, les effets r\u00e9siduels apr\u00e8s un traitement unique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les analyses initiales ont r\u00e9v\u00e9l\u00e9 des sols tr\u00e8s acides, avec une fertilit\u00e9 naturelle tr\u00e8s faible. La forte lixiviation des nutriments et la faible capacit\u00e9 de r\u00e9tention d\u2019eau \u2014 caract\u00e9ristiques des sols tropicaux fortement alt\u00e9r\u00e9s \u2014 limitent la productivit\u00e9, m\u00eame lorsque les agriculteurs investissent beaucoup de temps et d\u2019efforts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> Le biochar permet de r\u00e9pondre simultan\u00e9ment \u00e0 plusieurs de ces contraintes. Il stimule l\u2019activit\u00e9 microbienne, am\u00e9liore la structure physique du sol, augmente le pH des sols acides, accro\u00eet la teneur en carbone organique stable, am\u00e9liore la r\u00e9tention des nutriments, augmente la capacit\u00e9 de r\u00e9tention d\u2019eau. Ces effets contribuent \u00e0 am\u00e9liorer la fertilit\u00e9 des sols et la productivit\u00e9 agricole, notamment dans les sols sableux de Yanonge.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-6b44f232 wp-block-columns-is-layout-flex\" style=\"border-top-style:dashed;border-top-width:1px;border-bottom-style:dashed;border-bottom-width:1px;padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:190px\">\n<div class=\"wp-block-buttons is-content-justification-left is-nowrap is-layout-flex wp-container-core-buttons-is-layout-4d114226 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.forestsnews.org\/?page_id=14697&#038;p=154813\" style=\"border-radius:3px;background-color:#bdedb9;padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">A Lire Egalement<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"line-height:1.5\">\n<h2 class=\"wp-block-heading has-custom-green-dark-new-color has-text-color has-link-color wp-elements-c137f5bb111c28688f0377cf30cc2c7a\" id=\"h-de-la-reponse-d-urgence-aux-systemes-alimentaires-resilients-en-yangambi\" style=\"font-size:clamp(1.039rem, 1.039rem + ((1vw - 0.2rem) * 0.88), 1.6rem);font-style:normal;font-weight:600\"><a href=\"https:\/\/www.forestsnews.org\/fr\/154813\/de-la-reponse-durgence-aux-systemes-alimentaires-resilients-en-yangambi\" target=\"_blank\" rel=\"noreferrer noopener\">De la r\u00e9ponse d\u2019urgence aux syst\u00e8mes alimentaires r\u00e9silients en Yangambi<\/a><\/h2>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les r\u00e9sultats obtenus sur le terrain ont \u00e9t\u00e9 particuli\u00e8rement prometteurs. Les parcelles trait\u00e9es au biochar ont syst\u00e9matiquement surpass\u00e9 les parcelles t\u00e9moins, en particulier lorsque le biochar \u00e9tait m\u00e9lang\u00e9 au fumier avant application. Les augmentations de rendement observ\u00e9es apr\u00e8s l\u2019application de 10 tonnes par hectare ont vari\u00e9 : de 5 % jusqu\u2019\u00e0 3 700 %, selon les caract\u00e9ristiques du sol, le type de culture, le syst\u00e8me agricole et la composition du biochar. Cette variabilit\u00e9 fournit des informations importantes pour le passage \u00e0 l\u2019\u00e9chelle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-nutrition-dignite-et-jardins-familiaux\"><strong>Nutrition, dignit\u00e9 et jardins familiaux<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Comme pour toutes les initiatives \u00e0 Yangambi, l\u2019approche adopt\u00e9e a \u00e9t\u00e9 participative. Les communaut\u00e9s ont contribu\u00e9 \u00e0 s\u00e9lectionner les cultures \u00e0 tester, en tenant compte \u00e0 la fois de la s\u00e9curit\u00e9 alimentaire et des revenus, du point de vue des femmes comme des hommes. Le ma\u00efs a \u00e9t\u00e9 cultiv\u00e9 en association avec des l\u00e9gumineuses pour soutenir la fertilit\u00e9 des sols, ainsi qu\u2019avec des l\u00e9gumes \u00e0 croissance rapide comme l\u2019amarante. <\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-baaca9a6 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 loading=\"lazy\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k.jpg\" alt=\"Women harvesting aubergines in a vegetable plot in Yangambi Engagement Landscape, DRC.\" class=\"wp-image-156200\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k.jpg 2048w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k-566x377.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k-623x415.jpg 623w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k-263x176.jpg 263w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k-768x512.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k-220x147.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k-900x600.jpg 900w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365546677_5e6351d1de_k-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><figcaption class=\"wp-element-caption\">Des femmes r\u00e9coltent des aubergines dans un champ-\u00e9cole paysan pr\u00e8s de Weko, dans le paysage d\u2019engagement de Yangambi, province de la Tshopo, en R\u00e9publique d\u00e9mocratique du Congo. Les jardins familiaux enrichis en biochar contribuent \u00e0 la nutrition des m\u00e9nages et \u00e0 la g\u00e9n\u00e9ration de revenus. Cr\u00e9dit Photo : Axel Fassio \/ CIFOR-ICRAF.<\/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 loading=\"lazy\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k.jpg\" alt=\"Farmers collecting green peppers in a field in Yangambi Engagement Landscape, DRC.\" class=\"wp-image-156205\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k.jpg 2048w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k-566x377.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k-623x415.jpg 623w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k-263x176.jpg 263w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k-768x512.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k-220x147.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k-900x600.jpg 900w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366421446_be7afd03f9_k-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><figcaption class=\"wp-element-caption\">Des agriculteurs r\u00e9coltent des poivrons verts lors de la r\u00e9colte dans un champ-\u00e9cole paysan pr\u00e8s de Weko, dans le paysage d\u2019engagement de Yangambi, en R\u00e9publique d\u00e9mocratique du Congo. Les jardins familiaux soutenus par l\u2019utilisation du biochar contribuent \u00e0 diversifier l\u2019alimentation et \u00e0 g\u00e9n\u00e9rer des revenus. Cr\u00e9dit Photo : Axel Fassio \/ CIFOR-ICRAF.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Ce qui nous a profond\u00e9ment marqu\u00e9s lors de notre premi\u00e8re visite dans ce paysage, c\u2019est la malnutrition physique des enfants. Il n\u2019y avait pas besoin d\u2019explications : tout \u00e9tait visible. \u00bb explique Njenga.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette observation a conduit l\u2019\u00e9quipe \u00e0 adapter son plan de travail initial. L\u2019utilisation du biochar a \u00e9t\u00e9 int\u00e9gr\u00e9e \u00e0 la production mara\u00eech\u00e8re \u00e0 travers des jardins familiaux \u2014 de petites parcelles d\u2019environ 100 m\u00e8tres carr\u00e9s situ\u00e9es pr\u00e8s des habitations. Les agriculteurs ont \u00e9t\u00e9 form\u00e9s \u00e0 produire du biochar sur place \u00e0 partir de : bambou bien s\u00e9ch\u00e9, tiges de manioc, \u00e9pis de ma\u00efs. La production se fait dans des fosses de type Kon-Tiki, o\u00f9 une \u00ab barri\u00e8re de flammes \u00bb r\u00e9duit les \u00e9missions. Le biochar est ensuite m\u00e9lang\u00e9 \u00e0 du compost ou du fumier pour \u00eatre enrichi en nutriments avant son application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depuis juillet 2024 : 86 % des m\u00e9nages form\u00e9s ont adopt\u00e9 les jardins familiaux, les m\u00e9nages gagnent environ 100 dollars par an, environ 40 % de la production est consomm\u00e9e \u00e0 domicile et le reste est vendu sur les march\u00e9s locaux. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une participante a r\u00e9sum\u00e9 l\u2019impact ainsi : \u00ab Nous recherchons le biochar des producteurs de charbon afin que nos enfants puissent \u00eatre en bonne sant\u00e9 gr\u00e2ce \u00e0 une alimentation diversifi\u00e9e. \u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Tombwa ya Mboka, un jardin familial a permis de sauver un enfant malade : les revenus g\u00e9n\u00e9r\u00e9s par la vente d\u2019amarante cultiv\u00e9e avec du biochar ont servi \u00e0 payer les m\u00e9dicaments n\u00e9cessaires.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k.jpg\" alt=\"Two women holding bowls of freshly harvested tomatoes in Yangambi Engagement Landscape, Democratic Republic of the Congo.\" class=\"wp-image-156210\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k.jpg 2048w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k-566x377.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k-623x415.jpg 623w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k-263x176.jpg 263w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k-768x512.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k-220x147.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k-900x600.jpg 900w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365544012_0d3d516401_k-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><figcaption class=\"wp-element-caption\">Des femmes pr\u00e9sentent des tomates r\u00e9colt\u00e9es dans un jardin familial dans le paysage d\u2019engagement de Yangambi, province de la Tshopo, en R\u00e9publique d\u00e9mocratique du Congo. Les jardins familiaux soutenus par l\u2019utilisation du biochar contribuent \u00e0 am\u00e9liorer la nutrition et \u00e0 g\u00e9n\u00e9rer des revenus pour les m\u00e9nages. Cr\u00e9dit Photo : Axel Fassio \/ CIFOR-ICRAF.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-construire-un-systeme-d-economie-circulaire\"><strong>Construire un syst\u00e8me d\u2019\u00e9conomie circulaire<\/strong>\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019innovation autour du biochar \u00e0 Yangambi repose sur un principe cl\u00e9 : l\u2019int\u00e9gration et la circularit\u00e9. Les r\u00e9sidus issus des syst\u00e8mes \u00e9nerg\u00e9tiques et agricoles sont r\u00e9introduits dans le sol, fermant ainsi les cycles de nutriments tout en renfor\u00e7ant la production alimentaire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s des r\u00e9sultats encourageants, l\u2019\u00e9quipe de recherche a r\u00e9uni des sp\u00e9cialistes issus de plusieurs domaines, notamment la bio\u00e9nergie, l\u2019agro\u00e9cologie, l\u2019\u00e9levage, la production mara\u00eech\u00e8re, la caf\u00e9iculture, la nutrition et l\u2019\u00e9ducation environnementale, afin d\u2019aligner les efforts li\u00e9s au biochar avec les objectifs globaux du paysage de Yangambi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deux formations techniques sur l\u2019interconnexion des \u00e9cosyst\u00e8mes ont \u00e9t\u00e9 organis\u00e9es pour les \u00e9quipes locales, suivies de formations destin\u00e9es aux agriculteurs dans trois Champs \u00e9coles paysans actifs depuis 2023.: Apamy \u00e0 Yangambi, Tombwa ya Mboka et Akili ni Mali \u00e0 Yanonge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au total, 116 agriculteurs form\u00e9s\u2014 49 hommes et 67 femmes . La formation a port\u00e9 sur la production de biochar \u00e0 la ferme \u00e0 l\u2019aide de fosses de type Kon-Tiki, le compostage des r\u00e9sidus organiques, ainsi que l\u2019utilisation de biochar enrichi en compost ou en fumier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Cette approche relie l\u2019utilisation durable de la biomasse, la production de cultures vivri\u00e8res de base, la diversification des cultures et la restauration des sols, afin de soutenir une agriculture plus s\u00e9dentaire et durable. Elle ne constitue pas un simple amendement du sol pris isol\u00e9ment, mais s\u2019inscrit dans une strat\u00e9gie socio-\u00e9cologique plus large.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-layout-flow wp-container-core-group-is-layout-b26833bd wp-block-group-is-layout-flow\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--30);padding-right:0;padding-bottom:var(--wp--preset--spacing--30);padding-left:0\">\n<div class=\"wp-block-cover is-light has-parallax has-custom-content-position is-position-bottom-left\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;min-height:80vh;aspect-ratio:unset;\"><div role=\"img\" aria-label=\"Farmers harvesting green peppers in rows at a field in Yangambi Engagement Landscape, Democratic Republic of the Congo.\" class=\"wp-block-cover__image-background wp-image-156215 size-full has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.forestsnews.org\/wp-content\/uploads\/54366817250_dc4e451fc6_k.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#a29784\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-container-core-cover-is-layout-a2503c34 wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-group has-background is-vertical is-layout-flex wp-container-core-group-is-layout-0a36cb25 wp-block-group-is-layout-flex\" style=\"border-top-right-radius:10px;background-color:#07070780;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-4407e2a09f5a43ee1343d31c1a685965 wp-block-paragraph\" style=\"writing-mode:horizontal-tb\">Des agriculteurs r\u00e9coltent des poivrons verts dans un champ-\u00e9cole paysan pr\u00e8s de Weko, dans le paysage d\u2019engagement de Yangambi, province de la Tshopo, en R\u00e9publique d\u00e9mocratique du Congo. Les efforts coordonn\u00e9s autour du biochar, de l\u2019agro\u00e9cologie et de la formation des agriculteurs contribuent \u00e0 renforcer la production \u00e0 l\u2019\u00e9chelle du paysage. Cr\u00e9dit Photo : Axel Fassio \/ CIFOR-ICRAF.<\/p>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-concevoir-une-strategie-de-mise-a-l-echelle\"><strong>Concevoir une strat\u00e9gie de mise \u00e0 l\u2019\u00e9chelle\u00a0<\/strong>\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La participation active des agriculteurs dans la production de connaissances et l\u2019apprentissage collectif a favoris\u00e9 une forte appropriation locale. Une dynamique d\u2019auto-diffusion est d\u00e9j\u00e0 en cours : 86 % des m\u00e9nages form\u00e9s appliquent l\u2019innovation sur leurs exploitations principales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les enseignements tir\u00e9s de cette phase serviront \u00e0 orienter la mise \u00e0 l\u2019\u00e9chelle pr\u00e9vue pour 2026, afin d\u2019atteindre davantage de m\u00e9nages et d\u2019\u00e9tendre les surfaces trait\u00e9es avec des bio-intrants, notamment le biochar combin\u00e9 au fumier ou au compost. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 partir du d\u00e9but de l\u2019ann\u00e9e 2026, de nouveaux r\u00e9sultats seront partag\u00e9s par l\u2019\u00e9quipe biochar de Yangambi : Mary Njenga (responsable de l\u2019\u00e9quipe), David Lelei (Chercheur en charge des sols), Nevillie Mapenzi (agroforestier), ainsi que les assistants Landry Musole et Gilbert Elau \u00e0 Yanonge, et Maxwell Kamulete et Fabrice Dhile \u00e0 Yangambi.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-remerciements\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\"><strong>Remerciements<\/strong><\/mark><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-a-propos-du-paysage-d-engagement-de-yangambi-depuis-2007-cifor-icraf-travaille-dans-le-paysage-d-engagement-de-yangambi-yel-afin-de-faire-progresser-la-recherche-forestiere-et-agroecologique-le-developpement-local-et-la-conservation-notre-objectif-est-de-soutenir-l-entrepreneuriat-l-innovation-la-recherche-et-la-gestion-durable-des-ressources-naturelles-afin-de-transformer-le-paysage-d-engagement-de-yangambi-en-un-territoire-ou-les-forets-contribuent-durablement-au-bien-etre-des-communautes-locales\"><em><em>A propos du  <a href=\"https:\/\/www.cifor-icraf.org\/yangambi-engagement-landscape\/\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\">Paysage d&rsquo;Engagement de Yangambi <\/mark><\/a>: Depuis 2007, CIFOR-ICRAF travaille dans le paysage d\u2019engagement de Yangambi (YEL) afin de faire progresser la recherche foresti\u00e8re et agro\u00e9cologique, le d\u00e9veloppement local et la conservation. Notre objectif est de soutenir l\u2019entrepreneuriat, l\u2019innovation, la recherche et la gestion durable des ressources naturelles, afin de transformer le paysage d\u2019engagement de Yangambi en un territoire o\u00f9 les for\u00eats contribuent durablement au bien-\u00eatre des communaut\u00e9s locales.<\/em><\/em><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l-article-ci-dessus-est-produit-dans-le-cadre-du-projet-production-durable-et-resilience-pour-la-prevention-des-crises-alimentaires-dans-le-paysage-de-yangambi-forets-food-2023-2026-mis-en-oeuvre-par-cifor-icraf-avec-le-financement-de-l-union-europeenne-ce-projet-vise-a-renforcer-la-securite-alimentaire-dans-le-paysage-de-yangambi-en-ameliorant-la-production-et-les-rendements-des-cultures-largement-pratiquees-en-promouvant-la-diversification-des-cultures-et-en-mettant-en-oeuvre-des-mesures-post-recolte\">L\u2019article ci-dessus est produit dans le cadre du projet<span style=\"font-weight: 400;\"><em> <\/em><\/span><a href=\"https:\/\/www.forestsnews.org\/84371\/improving-food-security-in-drc-congos-yangambi-landscape?fnl=en\"><em><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\">Production durable et r\u00e9silience pour la pr\u00e9vention des crises alimentaires dans le paysage de Yangambi <\/mark><\/em><\/a><span style=\"font-weight: 400;\"><em> (FORETS-Food) 2023-2026, mis en oeuvre par  CIFOR-ICRAF avec le financement de l\u2019Union europ\u00e9enne. Ce projet vise \u00e0 renforcer la s\u00e9curit\u00e9 alimentaire dans le paysage de Yangambi en am\u00e9liorant la production et les rendements des cultures largement pratiqu\u00e9es, en promouvant la diversification des cultures et en mettant en \u0153uvre des mesures post-r\u00e9colte.<\/em><\/span><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-pour-plus-d-informations-veuillez-consulter-www-cifor-icraf-org-yangambi-engagement-landscape-et-www-yangambi-org-en\"><em>Pour plus d\u2019informations, veuillez consulter<\/em> <em> <a href=\"https:\/\/www.cifor-icraf.org\/yangambi-engagement-landscape\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\">www.cifor-icraf.org\/yangambi-engagement-landscape\/<\/mark><\/a> et <a href=\"https:\/\/www.yangambi.org\/en\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\">www.yangambi.org\/en\/<\/mark><\/a><\/em><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Des sols en bonne sant\u00e9 sont la source discr\u00e8te mais essentielle d\u2019un paysage en bonne sant\u00e9. Ils retiennent l\u2019eau pendant les p\u00e9riodes de s\u00e9cheresse, recyclent et conservent les nutriments, et maintiennent la productivit\u00e9 agricole \u2014 contribuant ainsi \u00e0 prot\u00e9ger les for\u00eats environnantes contre l\u2019empi\u00e8tement agricole. Dans le Paysage d&rsquo;Engagement de Yangambi en R\u00e9publique d\u00e9mocratique du [&hellip;]<\/p>\n","protected":false},"author":205,"featured_media":156189,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[6090],"tags":[12767,12764,12661,12766,12765,12768,12769,12773,12771,12772],"language":[2170],"location":[12246,12220],"tag-bahasa":[],"tag-espanol":[],"tag-francais":[11576,12775,10457,12774],"type-espanol":[],"type-bahasa":[],"type-english":[2431],"type-francais":[],"coauthors":[5290],"class_list":["post-156600","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-forests-news","tag-adaptation-climatique","tag-agroecologie","tag-biochar","tag-bioeconomie-circulaire","tag-bioenergie","tag-champ-ecole-paysan","tag-conservation-foret","tag-republique-democratique-du-congo","tag-restauration-paysage","tag-yangambi","language-francais","location-africa","location-congo-basin","tag-francais-agroecologie","tag-francais-biochar","tag-francais-bioeconomie-circulaire","tag-francais-restauration-paysage","type-english-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Biochar builds soil resilience in Yangambi<\/title>\n<meta name=\"description\" content=\"Biochar trials in the Yangambi Engagement Landscape show strong gains in soil health, yields and nutrition, linking energy, agriculture and forest conservation.\" \/>\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.forestsnews.org\/fr\/156600\/biochar-sols-resilience-yangambi\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00a0Le biochar pour la r\u00e9silience des syst\u00e8mes socio-\u00e9cologiques : la prochaine fronti\u00e8re \u00e0 Yangambi\" \/>\n<meta property=\"og:description\" content=\"Biochar trials in the Yangambi Engagement Landscape show strong gains in soil health, yields and nutrition, linking energy, agriculture and forest conservation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.forestsnews.org\/fr\/156600\/biochar-sols-resilience-yangambi\" \/>\n<meta property=\"og:site_name\" content=\"Landscape Alliance Forests News\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CIFORICRAF\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-16T02:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-02T16:40:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/54365417882_ee2f204140_k.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1365\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Erin O&#039;Connell\" \/>\n<meta name=\"twitter:card\" 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