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{"id":260,"date":"2009-07-24T13:02:21","date_gmt":"2009-07-24T11:02:21","guid":{"rendered":"https:\/\/energethique.be\/?p=260"},"modified":"2009-07-30T23:36:53","modified_gmt":"2009-07-30T21:36:53","slug":"des-ogm-en-reponse-a-la-salinisation-des-sols","status":"publish","type":"post","link":"https:\/\/energethique.be\/2009\/des-ogm-en-reponse-a-la-salinisation-des-sols\/","title":{"rendered":"Des OGM en r\u00e9ponse \u00e0 la salinisation des sols"},"content":{"rendered":"Chaque minute, la terre perd 3 hectares de terre cultivable \u00e0 cause de la salinisation des sols. 80% sont d’origine naturelle alors que les 20% restants (soit 0,6 ha\/minute) sont d\u00fbs \u00e0 l’activit\u00e9 humaine, principalement l’irrigation. En effet, l’irrigation se fait souvent \u00e0 partir d’eau souterraine, plus sal\u00e9e que l’eau de pluie, entra\u00eenant ainsi une salinisation des terres irrigu\u00e9es.<\/p>\n
Le probl\u00e8me de la salinisation vient du fait que certains ions, comme le Na+ du sel, sont toxiques pour les plantes car elles d\u00e9truisent les feuilles et emp\u00eachent donc la photosynth\u00e8se. Les chercheurs ont alors tent\u00e9 de r\u00e9gler le probl\u00e8me en modifiant g\u00e9n\u00e9tiquement la plante pour que celle-ci sont plus tol\u00e9rantes au sel plut\u00f4t que de chercher \u00e0 d\u00e9saliniser les sols. Ils ont pens\u00e9 \u00e0 am\u00e9liorer une caract\u00e9ristique naturelle des plantes qui leur permet de se d\u00e9barrasser d’une partie du sel avant qu’il n’atteigne les feuilles, l\u00e0 o\u00f9 il cause des d\u00e9g\u00e2ts.<\/p>\n
<\/p>\n
Seul b\u00e9mol, les plantes g\u00e9n\u00e9tiquement modifi\u00e9es ne devraient atteindre le march\u00e9 que dans une dizaine d’ann\u00e9es.<\/p>\n
Enfin, on ne conna\u00eet pas encore r\u00e9ellement les effets des OGMs sur l’homme et certains nous promettent le meilleur comme le pire.<\/p>\n
L’article sur Gizmag<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Chaque minute, la terre perd 3 hectares de terre cultivable \u00e0 cause de la salinisation des sols. 80% sont d’origine naturelle alors que les 20% restants (soit 0,6 ha\/minute) sont d\u00fbs \u00e0 l’activit\u00e9 humaine, principalement l’irrigation. En effet, l’irrigation se fait souvent \u00e0 partir d’eau souterraine, plus sal\u00e9e que l’eau de pluie, entra\u00eenant ainsi une salinisation des terres irrigu\u00e9es.<\/p>\n
Le probl\u00e8me de la salinisation vient du fait que certains ions, comme le Na+ du sel, sont toxiques pour les plantes car […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[9,4],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pBGwz-4c","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/260"}],"collection":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/comments?post=260"}],"version-history":[{"count":0,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/260\/revisions"}],"wp:attachment":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/media?parent=260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/categories?post=260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/tags?post=260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}