{"id":25784,"date":"2026-03-12T11:23:48","date_gmt":"2026-03-12T10:23:48","guid":{"rendered":"https:\/\/tchak.be\/?p=25784"},"modified":"2026-03-12T19:41:48","modified_gmt":"2026-03-12T18:41:48","slug":"belgique-pommes-de-terre-patates-recolte-exportations","status":"publish","type":"post","link":"https:\/\/tchak.be\/index.php\/2026\/03\/12\/belgique-pommes-de-terre-patates-recolte-exportations\/","title":{"rendered":"Pommes de terre\u00a0: les revers de la performance belge"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Une r\u00e9colte exceptionnelle, des prix qui s\u2019effondrent et des centaines de milliers de tonnes sans d\u00e9bouch\u00e9 : la crise actuelle de la pomme de terre en Belgique r\u00e9v\u00e8le les limites d&#8217;une fili\u00e8re agricole tr\u00e8s performante, mais organis\u00e9e autour d\u2019une production de masse qui peine \u00e0 absorber ses propres exc\u00e9dents.&nbsp;Patate toi-m\u00eame ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Chronique |&nbsp;Yves Raisiere, journaliste<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Vers un spectaculaire g\u00e2chis de pommes de terre. \u00bb<br>\u00ab 860.000 tonnes sans d\u00e9bouch\u00e9. \u00bb<br>\u00ab Cent kilos de pommes de terre ne valent plus qu\u2019un euro. \u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces titres ont fait la une de la presse ces derniers jours. Pris s\u00e9par\u00e9ment, ils refl\u00e8tent une nouvelle crise dans le secteur agricole. Mis bout \u00e0 bout, ils donnent \u00e0 voir la fragilit\u00e9 d\u2019une fili\u00e8re performante, mais mal \u00e9quip\u00e9e pour absorber ses propres exc\u00e9dents.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comment en est-on arriv\u00e9 l\u00e0&nbsp;? La r\u00e9ponse tient \u00e0 la mani\u00e8re dont la fili\u00e8re s\u2019est structur\u00e9e au fil du temps, \u00e0 partir de conditions naturelles favorables : des sols limoneux et, jusqu\u2019ici, un climat temp\u00e9r\u00e9 et humide, propices \u00e0 des rendements \u00e9lev\u00e9s et r\u00e9guliers.<\/p>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-c475e44 stk-block-background\" data-block-id=\"c475e44\"><style>.stk-c475e44 {background-color:#c1c5a5 !important;border-top-left-radius:8px !important;border-top-right-radius:8px !important;border-bottom-right-radius:8px !important;border-bottom-left-radius:8px !important;overflow:hidden !important;}.stk-c475e44:before{background-color:#c1c5a5 !important;}<\/style><p class=\"stk-block-text__text\">Tous les 15 jours, Tchak publie une chronique ou un billet li\u00e9 \u00e0 l&#8217;actu. Pour l&#8217;avoir en avant-premi\u00e8re, <a href=\"https:\/\/tchak.be\/index.php\/tchak-infolettre-newsletter\/\" type=\"link\" id=\"https:\/\/tchak.be\/index.php\/tchak-infolettre-newsletter\/\"><span style=\"color: #0f0e17;\" class=\"stk-highlight\"><strong>inscrivez-vous \u00e0 notre infolettre<\/strong><\/span><\/a>. <\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-34b6563\" id=\"depuis-le-xvii-ie-siecle\" data-block-id=\"34b6563\"><h3 class=\"stk-block-heading__text\">Depuis le  XVIIIe si\u00e8cle<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Cultiv\u00e9e depuis le XVIIIe si\u00e8cle, la pomme de terre a \u00e9galement b\u00e9n\u00e9fici\u00e9 du d\u00e9veloppement d\u2019une expertise de terrain et dans la s\u00e9lection des semences. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette compl\u00e9mentarit\u00e9 a favoris\u00e9 l\u2019expansion de la fili\u00e8re, entra\u00eenant la construction d\u2019infrastructures de stockage devenues essentielles pour r\u00e9guler la commercialisation des r\u00e9coltes dans le temps. Les ports d\u2019Anvers et de Zeebruges ont, eux, facilit\u00e9 leur exportation. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depuis plus de vingt ans, des groupes comme McCain, Clarebout, Lutosa,  Aviko  et Cie ont enfin install\u00e9 en Belgique d\u2019importantes usines capables de transformer chaque jour plusieurs milliers de tonnes de pommes de terre en frites et autres produits surgel\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Peu \u00e0 peu, la production agricole s\u2019est ainsi ajust\u00e9e aux besoins d\u2019une cha\u00eene industrielle con\u00e7ue pour fonctionner sans interruption. Les statistiques sur les surfaces cultiv\u00e9es indiquent ainsi une progression continue : environ 92 000 ha en 2022, plus de 101 000 ha en 2024 et pr\u00e8s de 108 000 ha en 2025. L\u2019enjeu est de garantir des volumes importants pour alimenter des outils dimensionn\u00e9s pour un march\u00e9 international en forte croissance mais soumis \u00e0 l&#8217;ultra concurrence et \u00e0 diverses \u00ab trumperies \u00bb sur des droits de douane.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-934c95f stk-block-background\" data-block-id=\"934c95f\"><style>.stk-934c95f {background-color:#5c603e !important;border-top-left-radius:8px !important;border-top-right-radius:8px !important;border-bottom-right-radius:8px !important;border-bottom-left-radius:8px !important;overflow:hidden !important;box-shadow:0px 2px 20px #99999933 !important;border-top-width:1px !important;border-right-width:1px !important;border-bottom-width:1px !important;border-left-width:1px !important;min-height:var(--stk--preset--block-height--none, 0px) !important;}.stk-934c95f:before{background-color:#5c603e !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-934c95f-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0b64f8d\" data-v=\"4\" data-block-id=\"0b64f8d\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0b64f8d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0b64f8d-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-637b71b\" id=\"a-lire-aussi\" data-block-id=\"637b71b\"><style>.stk-637b71b {margin-bottom:1px !important;}.stk-637b71b .stk-block-heading__text{color:#ffffff !important;}<\/style><h4 class=\"stk-block-heading__text has-text-color\">\u00c0 lire aussi <\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-676b93d\" data-block-id=\"676b93d\"><style>.stk-676b93d .stk-block-text__text{color:#ffffff !important;}<\/style><p class=\"stk-block-text__text has-text-color\">&gt;  Agriculture et d\u00e9r\u00e8glement climatique : pour Serge Zaka, la Belgique doit diversifier ses cultures<\/p><\/div>\n<\/div><a class=\"stk-link stk-block-link stk--transparent-overlay\" href=\"https:\/\/tchak.be\/index.php\/2024\/10\/11\/agriculture-climat-zaka-belgique-doit-diversifier-cultures\/\" aria-hidden=\"true\" tabindex=\"-1\"><\/a><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-2e22a95\" id=\"patates-une-recolte-record-en-2025\" data-block-id=\"2e22a95\"><h3 class=\"stk-block-heading__text\">Patates: une r\u00e9colte record en 2025 <\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Reste que l\u2019agriculture ne se plie pas toujours \u00e0 qui entend lui dicter sa loi. Les rendements agricoles varient par exemple selon les conditions climatiques. La r\u00e9colte 2025 en donne une illustration frappante : la production nationale a atteint environ 5 millions de tonnes. Soit soit 900 000 tonnes de plus que l\u2019ann\u00e9e pr\u00e9c\u00e9dente; un niveau record depuis 2017.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On touche ici \u00e0 une limite structurelle du mod\u00e8le. Dans sa th\u00e8se, le biologiste Olivier Hamant rappelle que les syst\u00e8mes les plus robustes ne sont pas les plus efficients, mais ceux qui conservent des marges d\u2019adaptation r\u00e9parties dans l\u2019ensemble du syst\u00e8me. Or l\u2019organisation tr\u00e8s optimis\u00e9e de certaines fili\u00e8res agricoles r\u00e9duit pr\u00e9cis\u00e9ment ces marges de man\u0153uvre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En Belgique, environ 70 \u00e0 80 % des volumes de production de la pomme de terre sont n\u00e9goci\u00e9s \u00e0 l\u2019avance via des contrats pass\u00e9s avec les transformateurs, afin de leur garantir un approvisionnement stable et s\u00e9curis\u00e9. Les quantit\u00e9s produites au-del\u00e0 de ces engagements contractuels se retrouvent expos\u00e9es aux fluctuations du march\u00e9 libre, o\u00f9 les prix peuvent chuter fortement en cas de r\u00e9colte abondante.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-253fd3e\" id=\"une-tension-qui-em\" data-block-id=\"253fd3e\"><h3 class=\"stk-block-heading__text\">Une sp\u00e9cialisation qui emp\u00eache la diversification<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Dans une telle m\u00e9canique, les marges d&#8217;adaptation dont parle Olivier Hamant  reposent donc en grande partie sur les producteurs et les productrices. Seules les exploitations les plus solides financi\u00e8rement peuvent absorber les risques li\u00e9s aux al\u00e9as climatiques, aux variations de rendement et aux co\u00fbts de culture, particuli\u00e8rement \u00e9lev\u00e9s pour la pomme de terre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 du ph\u00e9nom\u00e8ne de concentration qu&#8217;il entra\u00eene, ce mod\u00e8le productif a des cons\u00e9quences plus larges. L\u2019extension continue des surfaces consacr\u00e9es \u00e0 la culture de la pomme de terre accentue la sp\u00e9cialisation agricole du territoire, au lieu de favoriser sa diversification. Elle s\u2019accompagne d\u2019une pression accrue sur les sols, li\u00e9e \u00e0 l\u2019intensification des pratiques, au labour et \u00e0 l\u2019\u00e9rosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019usage important de pesticides et de fongicides li\u00e9s \u00e0 cette culture place par ailleurs la Belgique parmi les pays europ\u00e9ens o\u00f9 la consommation de produits phytosanitaires par hectare est la plus \u00e9lev\u00e9e. Avec ses impacts sur la biodiversit\u00e9 et la sant\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus globalement, un situation et des renversements que connaissent d\u2019autres fili\u00e8res agricoles organis\u00e9es autour de la recherche de performance, de la production de masse et de l\u2019exportation. <\/p>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-7b861c3\" data-block-id=\"7b861c3\"><style>.stk-7b861c3 {height:29px !important;}<\/style><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/tchak.be\/index.php\/tchak-media-revue-enquete-dessous-alimentation-agriculture\/\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"1024\" src=\"https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/Tchak_cover-819x1024.png\" alt=\"\" class=\"wp-image-25756\" style=\"aspect-ratio:0.7998154272091056;width:451px;height:auto\" srcset=\"https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/Tchak_cover-819x1024.png 819w, https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/Tchak_cover-240x300.png 240w, https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/Tchak_cover-768x960.png 768w, https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/Tchak_cover.png 1080w\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une r\u00e9colte exceptionnelle, des prix qui s\u2019effondrent et des centaines de milliers de tonnes sans d\u00e9bouch\u00e9 : la crise actuelle de la pomme de terre en Belgique r\u00e9v\u00e8le les limites d&#8217;une fili\u00e8re agricole tr\u00e8s performante, mais organis\u00e9e autour d\u2019une production de masse qui peine \u00e0 absorber ses propres exc\u00e9dents.&nbsp;Patate toi-m\u00eame ? Chronique |&nbsp;Yves Raisiere, journaliste [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":25795,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[150,148,147,146,149],"class_list":["post-25784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billets-humeur-politique-economique-environnement","tag-agriculture","tag-belgique","tag-patates","tag-pommes-de-terre","tag-wallonie"],"featured_image_urls_v2":{"full":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate.webp",700,700,false],"thumbnail":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate-150x150.webp",150,150,true],"medium":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate-300x300.webp",300,300,true],"medium_large":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate.webp",700,700,false],"large":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate.webp",700,700,false],"1536x1536":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate.webp",700,700,false],"2048x2048":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate.webp",700,700,false],"gridlove-thumbnail":["https:\/\/tchak.be\/wp-content\/uploads\/2026\/03\/monisuer-patate-80x60.webp",80,60,true]},"post_excerpt_stackable_v2":"<p>Une r\u00e9colte exceptionnelle, des prix qui s\u2019effondrent et des centaines de milliers de tonnes sans d\u00e9bouch\u00e9 : la crise actuelle de la pomme de terre en Belgique r\u00e9v\u00e8le les limites d&#8217;une fili\u00e8re agricole tr\u00e8s performante, mais organis\u00e9e autour d\u2019une production de masse qui peine \u00e0 absorber ses propres exc\u00e9dents.&nbsp;Patate toi-m\u00eame ? Chronique |&nbsp;Yves Raisiere, journaliste \u00ab Vers un spectaculaire g\u00e2chis de pommes de terre. \u00bb\u00ab 860.000 tonnes sans d\u00e9bouch\u00e9. \u00bb\u00ab Cent kilos de pommes de terre ne valent plus qu\u2019un euro. \u00bb Ces titres ont fait la une de la presse ces derniers jours. Pris s\u00e9par\u00e9ment, ils refl\u00e8tent une nouvelle\u2026<\/p>\n","category_list_v2":"<a href=\"https:\/\/tchak.be\/index.php\/category\/billets-humeur-politique-economique-environnement\/\" rel=\"category tag\">Humeur<\/a>","author_info_v2":{"name":"Yves Raisiere","url":"https:\/\/tchak.be\/index.php\/author\/yves\/"},"comments_num_v2":"0 commentaire","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pommes de terre\u00a0: les revers de la performance belge<\/title>\n<meta name=\"description\" content=\"En Belgique, la crise actuelle de la pomme de terre en Belgique r\u00e9v\u00e8le les limites d\u2019une fili\u00e8re qui peine \u00e0 absorber ses propres exc\u00e9dents.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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