{"id":3607,"date":"2024-05-16T12:56:18","date_gmt":"2024-05-16T10:56:18","guid":{"rendered":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/?p=3607"},"modified":"2024-05-16T12:56:20","modified_gmt":"2024-05-16T10:56:20","slug":"fertilite-chimique-des-sols","status":"publish","type":"post","link":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/","title":{"rendered":"Fertilit\u00e9 chimique des sols"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><strong>Des \u00e9volutions de fertilit\u00e9 chimique des sols fran\u00e7ais mises en \u00e9vidence par les analyses de terre entre 2003 et 2020&nbsp;<\/strong><\/h1>\n\n\n\n<p class=\"has-ast-global-color-5-color has-ast-global-color-0-background-color has-text-color has-background has-link-color has-medium-font-size wp-elements-d0708175d15dcbad129c7fe0f5cbb9fb\">D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020. <\/p>\n\n\n\n<p class=\"has-text-align-justify\">Les statistiques d\u00e9partementales des ventes, produites par l\u2019UNIFA (Union des Industries de la Fertilisation), mettent en \u00e9vidence une r\u00e9duction importante de la fertilisation phospho-potassique des parcelles agricoles au niveau national depuis 2010. Cette tendance peut s\u2019expliquer en partie par l\u2019am\u00e9lioration du conseil agronomique. Mais aussi par les contraintes \u00e9conomiques et notamment l\u2019augmentation des prix de l\u2019\u00e9nergie qui affectent durablement ceux des fertilisants. Parall\u00e8lement, on constate un fort recul des syst\u00e8mes de polyculture-\u00e9levage dans plusieurs r\u00e9gions fran\u00e7aises. Ces \u00e9volutions marqu\u00e9es pourraient a priori avoir des r\u00e9percussions sur la disponibilit\u00e9 des \u00e9l\u00e9ments nutritifs dans le sol, et affecter la fertilit\u00e9 des sols.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">L\u2019analyse de la Base de Donn\u00e9es des Analyses de Terre montre une tendance pour les sols fran\u00e7ais \u00e0  : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>une augmentation du pH et des teneurs en magn\u00e9sium (Mg) <\/li>\n\n\n\n<li>une diminution des teneurs en potassium (K), mais surtout en phosphore (P).&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify\">Les teneurs en P \u00e9quivalent Olsen, K et Mg \u00e9changeables dans les sols semblent d\u00e9pendre principalement des caract\u00e9ristiques des sols  : texture, nature min\u00e9ralogique des mat\u00e9riaux parentaux. Les \u00e9volutions temporelles observ\u00e9es pour le P \u00e9quivalent Olsen et le K \u00e9changeable semblent, quant \u00e0 elles, d\u00e9pendre : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>de facteurs \u00e9conomiques (prix de l\u2019\u00e9nergie et des engrais en augmentation), <\/li>\n\n\n\n<li>de la pr\u00e9sence plus ou moins importante d\u2019\u00e9levage <\/li>\n\n\n\n<li>et de recommandations \u00e0 la baisse pour les calculs de dose dans une d\u00e9marche de fertilisation raisonn\u00e9e.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify\">Les diagnostics agronomiques mettent en \u00e9vidence une variation des effectifs des trois classes de fertilit\u00e9 mais qui reste limit\u00e9e. Autrement dit, les \u00e9volutions constat\u00e9es en \u00e9l\u00e9ments n\u2019impactent pas fortement les pr\u00e9conisations de fertilisation.&nbsp;Cependant, les \u00e9volutions de la fertilit\u00e9 chimique mises en \u00e9vidence sur les trente derni\u00e8res ann\u00e9es vont dans le m\u00eame sens que les tendances observ\u00e9es sur les teneurs en \u00e9l\u00e9ments : diminution pour le P et le K, augmentation pour le Mg. Elles incitent donc \u00e0 la vigilance pour P et K. Et elles justifient le suivi des bilans min\u00e9raux \u00e0 la parcelle agricole et une politique de suivi analytique r\u00e9gulier et raisonn\u00e9 des terres.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">U<strong>ne analyse de l\u2019\u00e9volution de la fertilit\u00e9 chimique des sols gr\u00e2ce \u00e0 la Base de Donn\u00e9es des Analyses de Terre<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Des donn\u00e9es de fertilit\u00e9 chimique des sols accessibles depuis 1990<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\">En France, la Base de Donn\u00e9es des Analyses de Terre (BDAT Info&amp;Sols, INRAE Orl\u00e9ans) regroupe depuis 1990 les r\u00e9sultats d\u2019analyses agronomiques d\u2019horizons de surface de sols cultiv\u00e9s. Ces analyses sont effectu\u00e9es \u00e0 la demande d\u2019agriculteurs par des laboratoires agr\u00e9\u00e9s par le Minist\u00e8re en charge de l\u2019agriculture. Cette base de donn\u00e9es rassemble sur la p\u00e9riode 1990\u20132020 : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>plus de 3,6 millions de d\u00e9terminations de pH (eau), <\/li>\n\n\n\n<li>3,5 millions de d\u00e9terminations de phosphore (P) extractible issues des trois m\u00e9thodes d\u2019analyses pratiqu\u00e9es en France (Joret-H\u00e9bert, Dyer et Olsen) <\/li>\n\n\n\n<li>et un nombre \u00e9quivalent de d\u00e9terminations de potassium (K) et magn\u00e9sium (Mg) \u00e9changeables.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Un diagnostic spatio-temporel des indicateurs de fertilit\u00e9 chimique des sols<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\">Le diagnostic spatio-temporel s\u2019appuie sur l\u2019analyse des valeurs brutes du pH et des teneurs en P, K et Mg. Il \u00e9value \u00e9galement la disponibilit\u00e9 des \u00e9l\u00e9ments pour les cultures. Le logiciel RegiFert\u00ae permet de r\u00e9aliser ce diagnostic agronomique de la fertilit\u00e9 chimique des sols en P, K et Mg. Pour cela, il affecte une classe de fertilit\u00e9 \u00e0 chaque analyse en fonction de la position de sa valeur par rapport \u00e0 deux seuils de r\u00e9f\u00e9rence nomm\u00e9s L1 et L2. <\/p>\n\n\n\n<p class=\"has-text-align-justify\">Ces 2 seuils permettent de d\u00e9finir 3 classes de diagnostic :&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00ab fertilit\u00e9 faible \u00bb pour les valeurs d\u2019analyse du sol inf\u00e9rieures \u00e0 L1,&nbsp;<\/li>\n\n\n\n<li>\u00ab fertilit\u00e9 moyenne \u00bb pour les valeurs d\u2019analyse du sol comprises entre L1 et L2<\/li>\n\n\n\n<li>\u00ab fertilit\u00e9 forte \u00bb pour les valeurs d&rsquo;analyse du sol sup\u00e9rieures \u00e0 L2.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify\">Les donn\u00e9es de la BDAT ont \u00e9t\u00e9 agr\u00e9g\u00e9es en deux p\u00e9riodes d\u2019une dur\u00e9e de 9 ans : de 2003 \u00e0 2011 et de 2012 \u00e0 2020. Au niveau spatial, les traitements ont \u00e9t\u00e9 men\u00e9s \u00e0 l\u2019\u00e9chelle des 714 Petites R\u00e9gions Agricoles (PRA) de France hexagonale.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Des \u00e9volutions diff\u00e9rentes en fonction des indicateurs de fertilit\u00e9 chimique<\/strong> des sols<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Des pH qui augmentent dans quasiment tous les sols fran\u00e7ais<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\"><\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:38% auto\"><figure class=\"wp-block-media-text__media\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"524\" height=\"716\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-pH-entre-2003-et-2020.png?resize=524%2C716&#038;ssl=1\" alt=\"\" class=\"wp-image-3608 size-full\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-pH-entre-2003-et-2020.png?w=524&amp;ssl=1 524w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-pH-entre-2003-et-2020.png?resize=220%2C300&amp;ssl=1 220w\" sizes=\"(max-width: 524px) 100vw, 524px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><\/p>\n\n\n\n<p>Les valeurs des m\u00e9dianes du pH eau des sols non calcaires sont les plus \u00e9lev\u00e9es entre 2003 et 2020 dans le centre nord de la France (Figures 2a et 2b). Par opposition, les plus faibles se trouvent au niveau des massifs cristallins et des Landes. <\/p>\n\n\n\n<p>Enfin, les m\u00e9dianes du pH eau ont augment\u00e9 entre les p\u00e9riodes de 2003\u20132011 et 2012\u20132020 pour la quasi-totalit\u00e9 de la France (Figure 2c). <\/p>\n\n\n\n<p>Ces \u00e9volutions du pH eau des sols non calcaires sont significatives pour 54 % de la SAU. Elles mettent ainsi en \u00e9vidence quasiment exclusivement des augmentations (Figure 3).\u00a0<\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Une teneur en phosphore qui diminue pour 68 % des sols fran\u00e7ais<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\">Les m\u00e9dianes des teneurs en P \u00e9quivalent Olsen sont plus \u00e9lev\u00e9es en Bretagne et dans les Hauts-de-France. On observe les valeurs les plus faibles principalement sur la c\u00f4te m\u00e9diterran\u00e9enne. Par ailleurs, entre les p\u00e9riodes 2003\u20132011 et 2012\u20132020, ces teneurs ont eu tendance \u00e0 diminuer dans la majorit\u00e9 des PRA. La baisse des m\u00e9dianes des teneurs en P \u00e9quivalent Olsen est significative pour 68 % de la SAU. Et l\u2019augmentation est significative pour 3 % de la SAU. Enfin, l\u2019\u00e9volution est non significative pour 21 % de la SAU (Figure 5).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"705\" height=\"343\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-P-entre-2003-et-2020.png?resize=705%2C343&#038;ssl=1\" alt=\"\" class=\"wp-image-3609\" style=\"width:705px;height:auto\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-P-entre-2003-et-2020.png?w=705&amp;ssl=1 705w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-P-entre-2003-et-2020.png?resize=300%2C146&amp;ssl=1 300w\" sizes=\"(max-width: 705px) 100vw, 705px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Les \u00e9volutions constat\u00e9es des teneurs en P ont une cons\u00e9quence sur la r\u00e9partition des classes dominantes de fertilit\u00e9 pour 28 % de la SAU (Figure 6b). Ainsi, pr\u00e8s d\u2019un quart (24 %) de la SAU se trouve en classe faible sur la derni\u00e8re p\u00e9riode 2012\u20132020. Ce chiffre s\u2019\u00e9levait \u00e0 13 % sur la p\u00e9riode 2003\u20132011. \u00c0 l\u2019inverse, le pourcentage de la SAU avec une classe de fertilit\u00e9 forte est de 22 % sur la p\u00e9riode la plus r\u00e9cente. Alors qu&rsquo;il \u00e9tait de 36% sur la premi\u00e8re p\u00e9riode (Figure 6c). Ces changements de classe correspondent \u00e0 une baisse significative de classe de fertilit\u00e9 dans une grande partie de la France.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"711\" height=\"529\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/carte-classes-de-fertilite-pour-P.png?resize=711%2C529&#038;ssl=1\" alt=\"\" class=\"wp-image-3610\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/carte-classes-de-fertilite-pour-P.png?w=711&amp;ssl=1 711w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/carte-classes-de-fertilite-pour-P.png?resize=300%2C223&amp;ssl=1 300w\" sizes=\"(max-width: 711px) 100vw, 711px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Une teneur en potassium qui diminue pour 46 % de la SAU fran\u00e7aise mais des sols qui restent fertiles<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\">Les m\u00e9dianes des teneurs en K2O observ\u00e9es en France sur la p\u00e9riode 2012\u20132020 varient majoritairement de 150 \u00e0 300 mg\/kg (Figure 8a). Les valeurs les plus faibles sont observ\u00e9es dans les sols sableux des Landes de Gascogne (Figure 8a). Et on observe les valeurs les plus \u00e9lev\u00e9es dans les sols argileux d\u00e9velopp\u00e9s sur l\u2019arc des calcaires du Jurassique de la Lorraine \u00e0 la Bourgogne et des Charentes et en Limagne dans le Massif Central (Figure 8a). Des \u00e9volutions significatives des teneurs en K concernent 52 % de la SAU. Ce sont essentiellement des diminutions pour 46 % de la SAU. <\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"705\" height=\"294\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-K-entre-2003-et-2020.png?resize=705%2C294&#038;ssl=1\" alt=\"\" class=\"wp-image-3611\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-K-entre-2003-et-2020.png?w=705&amp;ssl=1 705w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-K-entre-2003-et-2020.png?resize=300%2C125&amp;ssl=1 300w\" sizes=\"(max-width: 705px) 100vw, 705px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Presque toutes les PRA ont une classe dominante forte ou moyenne pour K sur la p\u00e9riode 2012\u20132020. En comparaison avec celles de la p\u00e9riode pr\u00e9c\u00e9dente 2003\u20132011, on observe une diminution de la classe forte au profit de la classe moyenne, sans impact visible sur la classe faible (Figure 9 a et b).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"365\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Classe-fertilite-en-fonction-de-K.png?resize=696%2C365&#038;ssl=1\" alt=\"\" class=\"wp-image-3612\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Classe-fertilite-en-fonction-de-K.png?w=696&amp;ssl=1 696w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Classe-fertilite-en-fonction-de-K.png?resize=300%2C157&amp;ssl=1 300w\" sizes=\"(max-width: 696px) 100vw, 696px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Une teneur en magn\u00e9sium qui augmente pour la quasi totalit\u00e9 des sols fran\u00e7ais<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\"><\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"703\" height=\"281\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-Mg-entre-2003-et-2020.png?resize=703%2C281&#038;ssl=1\" alt=\"\" class=\"wp-image-3613 size-full\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-Mg-entre-2003-et-2020.png?w=703&amp;ssl=1 703w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-Mg-entre-2003-et-2020.png?resize=300%2C120&amp;ssl=1 300w\" sizes=\"(max-width: 703px) 100vw, 703px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>Les m\u00e9dianes des teneurs en MgO par PRA sur la p\u00e9riode 2012\u20132020 varient majoritairement entre 100 et 300 mg\/kg avec des valeurs plus fortes dans les sols d\u00e9velopp\u00e9s dans les mat\u00e9riaux issus d\u2019alluvions marines ou fluvio-marines (Camargue, marais Poitevin), le long de la Garonne, dans les sols issus de roches dolomitiques (Moselle, causses du Massif Central, sud-est) et de mat\u00e9riaux volcaniques (Figure 10a). Ces teneurs sont tr\u00e8s faibles pour les sols sableux et acides des Landes de Gascogne et de la Sologne. Par rapport \u00e0 la p\u00e9riode 2003\u20132011, on observe une augmentation significative des teneurs dans la quasi-totalit\u00e9 de la France. Les diminutions significatives des teneurs en MgO sont toutefois observ\u00e9es dans des PRA o\u00f9 les teneurs sont les plus faibles de France comme dans les Landes de Gascogne (Figure 10).<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-align-justify\"><\/p>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<p>La grande majorit\u00e9 des PRA a la classe de fertilit\u00e9 moyenne ou forte comme dominante (Figure 11a). <\/p>\n\n\n\n<p>On observe principalement une augmentation de classe de fertilit\u00e9. Cela correspond \u00e0 un transfert de 3 % de la SAU d\u2019une classe dominante moyenne \u00e0 une classe forte (Figure 11b). <\/p>\n\n\n\n<p>Il ne semble donc pas y avoir d\u2019enjeu particulier sur le magn\u00e9sium en termes de fertilit\u00e9.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"708\" height=\"384\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Classe-fertilite-en-fonction-de-Mg.png?resize=708%2C384&#038;ssl=1\" alt=\"\" class=\"wp-image-3614 size-full\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Classe-fertilite-en-fonction-de-Mg.png?w=708&amp;ssl=1 708w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Classe-fertilite-en-fonction-de-Mg.png?resize=300%2C163&amp;ssl=1 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-justify\">Ces premiers r\u00e9sultats n\u00e9cessiteraient d&rsquo;\u00eatre compl\u00e9t\u00e9s par une \u00e9tude des \u00e9quilibres entre les \u00e9l\u00e9ments. Cela permettrait ainsi de fournir un \u00e9tat complet de la fertilit\u00e9 des sols agricoles en France hexagonale. En effet, au-del\u00e0 des teneurs, l\u2019absorption des \u00e9l\u00e9ments min\u00e9raux par les plantes d\u00e9pend largement des \u00e9quilibres cationiques. Ainsi, le fait que les teneurs en K et en Mg \u00e9voluent en sens inverse peut avoir des implications sur la st\u0153chiom\u00e9trie de ces \u00e9l\u00e9ments.&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\">Si vous \u00eates int\u00e9ress\u00e9s par d&rsquo;autres publications sur la fertilit\u00e9 des sols, n&rsquo;h\u00e9sitez pas \u00e0 consulter notre rubrique <a href=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/category\/gestion-des-sols\/\" target=\"_blank\" rel=\"noreferrer noopener\">Gestion des sols<\/a>. <\/p>\n\n\n\n<h1 class=\"wp-block-heading has-small-font-size\">Source<\/h1>\n\n\n\n<p class=\"has-text-align-justify has-small-font-size\"><em>Blandine Lemercier, Manon Caubet, Nolwenn Le Pioufle, Eva Rabot, Catherine Pasquier, et al. 2023. \u00c9volutions du pH et des teneurs en P K Mg dans les sols de France hexagonale entre 2003 et 2020 \u00e0 partir de la Base de Donn\u00e9es des Analyses de Terre. <a href=\"https:\/\/hal.inrae.fr\/hal-04320423\">16e Rencontres Comifer-Gemas<\/a>, Nov 2023, Tours, France. \u27e8hal-04320423\u27e9 <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des \u00e9volutions de fertilit\u00e9 chimique des sols fran\u00e7ais mises en \u00e9vidence par les analyses de terre entre 2003 et 2020\u00a0<\/p>\n","protected":false},"author":5,"featured_media":3624,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[31,38],"tags":[63,74,128,62],"class_list":["post-3607","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gestion-des-sols","category-mieux-connaitre-ses-sols","tag-agroecologie","tag-agronomie","tag-fertilite-chimique","tag-sol"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fertilit\u00e9 chimique des sols - L&#039;ARAD2<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Evolution de la fertilit\u00e9 chimique des sols entre 2003 et 2020\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/\" \/>\n<meta property=\"og:site_name\" content=\"L&#039;ARAD2\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-16T10:56:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-16T10:56:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png\" \/>\n\t<meta property=\"og:image:width\" content=\"597\" \/>\n\t<meta property=\"og:image:height\" content=\"364\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"adeline\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Evolution de la fertilit\u00e9 chimique des sols entre 2003 et 2020\" \/>\n<meta name=\"twitter:description\" content=\"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"adeline\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/\"},\"author\":{\"name\":\"adeline\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#\\\/schema\\\/person\\\/79b36c91a71e223d0ca4c508015f021d\"},\"headline\":\"Fertilit\u00e9 chimique des sols\",\"datePublished\":\"2024-05-16T10:56:18+00:00\",\"dateModified\":\"2024-05-16T10:56:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/\"},\"wordCount\":1618,\"publisher\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2024\\\/05\\\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1\",\"keywords\":[\"agro\u00e9cologie\",\"agronomie\",\"fertilit\u00e9 chimique\",\"sol\"],\"articleSection\":[\"Gestion des sols\",\"Mieux conna\u00eetre ses sols\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/\",\"url\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/\",\"name\":\"Fertilit\u00e9 chimique des sols - L&#039;ARAD2\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2024\\\/05\\\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1\",\"datePublished\":\"2024-05-16T10:56:18+00:00\",\"dateModified\":\"2024-05-16T10:56:20+00:00\",\"description\":\"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2024\\\/05\\\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2024\\\/05\\\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1\",\"width\":597,\"height\":364,\"caption\":\"Evolution fertilit\u00e9 chimique sols\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/fertilite-chimique-des-sols\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Fertilit\u00e9 chimique des sols\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#website\",\"url\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/\",\"name\":\"L&#039;ARAD2\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#organization\",\"name\":\"L&#039;ARAD2\",\"url\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2020\\\/10\\\/Logo-arad2.png?fit=400%2C223&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2020\\\/10\\\/Logo-arad2.png?fit=400%2C223&ssl=1\",\"width\":400,\"height\":223,\"caption\":\"L&#039;ARAD2\"},\"image\":{\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/#\\\/schema\\\/person\\\/79b36c91a71e223d0ca4c508015f021d\",\"name\":\"adeline\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8fe9a4af3784fb8d86eb3160163829bc204588912fe300037ac13ab967297da0?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8fe9a4af3784fb8d86eb3160163829bc204588912fe300037ac13ab967297da0?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8fe9a4af3784fb8d86eb3160163829bc204588912fe300037ac13ab967297da0?s=96&d=mm&r=g\",\"caption\":\"adeline\"},\"url\":\"https:\\\/\\\/normandiemaine.cerfrance.fr\\\/arad2\\\/author\\\/adeline\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Fertilit\u00e9 chimique des sols - L&#039;ARAD2","description":"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/","og_locale":"fr_FR","og_type":"article","og_title":"Evolution de la fertilit\u00e9 chimique des sols entre 2003 et 2020","og_description":"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.","og_url":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/","og_site_name":"L&#039;ARAD2","article_published_time":"2024-05-16T10:56:18+00:00","article_modified_time":"2024-05-16T10:56:20+00:00","og_image":[{"width":597,"height":364,"url":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png","type":"image\/png"}],"author":"adeline","twitter_card":"summary_large_image","twitter_title":"Evolution de la fertilit\u00e9 chimique des sols entre 2003 et 2020","twitter_description":"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.","twitter_image":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1","twitter_misc":{"\u00c9crit par":"adeline","Dur\u00e9e de lecture estim\u00e9e":"10 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/#article","isPartOf":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/"},"author":{"name":"adeline","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#\/schema\/person\/79b36c91a71e223d0ca4c508015f021d"},"headline":"Fertilit\u00e9 chimique des sols","datePublished":"2024-05-16T10:56:18+00:00","dateModified":"2024-05-16T10:56:20+00:00","mainEntityOfPage":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/"},"wordCount":1618,"publisher":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#organization"},"image":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1","keywords":["agro\u00e9cologie","agronomie","fertilit\u00e9 chimique","sol"],"articleSection":["Gestion des sols","Mieux conna\u00eetre ses sols"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/","url":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/","name":"Fertilit\u00e9 chimique des sols - L&#039;ARAD2","isPartOf":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#website"},"primaryImageOfPage":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/#primaryimage"},"image":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1","datePublished":"2024-05-16T10:56:18+00:00","dateModified":"2024-05-16T10:56:20+00:00","description":"D\u00e9couvrez comment les indicateurs de fertilit\u00e9 chimique des sols (pH, P, K et Mg) ont \u00e9volu\u00e9 entre 2003 et 2020.","breadcrumb":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/#primaryimage","url":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1","contentUrl":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1","width":597,"height":364,"caption":"Evolution fertilit\u00e9 chimique sols"},{"@type":"BreadcrumbList","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/fertilite-chimique-des-sols\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/"},{"@type":"ListItem","position":2,"name":"Fertilit\u00e9 chimique des sols"}]},{"@type":"WebSite","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#website","url":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/","name":"L&#039;ARAD2","description":"","publisher":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#organization","name":"L&#039;ARAD2","url":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2020\/10\/Logo-arad2.png?fit=400%2C223&ssl=1","contentUrl":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2020\/10\/Logo-arad2.png?fit=400%2C223&ssl=1","width":400,"height":223,"caption":"L&#039;ARAD2"},"image":{"@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/#\/schema\/person\/79b36c91a71e223d0ca4c508015f021d","name":"adeline","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/8fe9a4af3784fb8d86eb3160163829bc204588912fe300037ac13ab967297da0?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8fe9a4af3784fb8d86eb3160163829bc204588912fe300037ac13ab967297da0?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8fe9a4af3784fb8d86eb3160163829bc204588912fe300037ac13ab967297da0?s=96&d=mm&r=g","caption":"adeline"},"url":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/author\/adeline\/"}]}},"jetpack_featured_media_url":"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/05\/Evolution-fertilite-chimique-sols.png?fit=597%2C364&ssl=1","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/posts\/3607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/comments?post=3607"}],"version-history":[{"count":9,"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/posts\/3607\/revisions"}],"predecessor-version":[{"id":3627,"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/posts\/3607\/revisions\/3627"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/media\/3624"}],"wp:attachment":[{"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/media?parent=3607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/categories?post=3607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/wp-json\/wp\/v2\/tags?post=3607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}