{"id":17922,"date":"2025-10-12T15:47:07","date_gmt":"2025-10-12T15:47:07","guid":{"rendered":"https:\/\/www.europesays.com\/ee\/17922\/"},"modified":"2025-10-12T15:47:07","modified_gmt":"2025-10-12T15:47:07","slug":"puude-juured-peidavad-susinikku-sugavamale-kui-seni-arvatud","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ee\/17922\/","title":{"rendered":"Puude juured peidavad s\u00fcsinikku s\u00fcgavamale, kui seni arvatud"},"content":{"rendered":"<p>Millised tegurid m\u00f5jutavad juurte jaotumist s\u00fcgavuse j\u00e4rgi? Kas s\u00fcgavamates muldades leiduvad toitained on peenjuurte (fine roots) poolt alakasutatud, \u00fcleekspluateeritud v\u00f5i v\u00f5rdselt kasutatud v\u00f5rreldes pinnasega? Teadlased avastasid, et ligi 20% uuritud \u00f6kos\u00fcsteemidest n\u00e4itasid kahekordset juurearengut eri s\u00fcgavustel \u2013 n\u00e4htust nimetatakse bimodaalsuseks.<\/p>\n<p>Nendes piirkondades arendasid taimed v\u00e4lja teise, s\u00fcgavama juurekihi \u2013 sageli rohkem kui meetri s\u00fcgavusele \u2013 mis langes kokku toitainerikaste mullakihtidega. See viitab sellele, et taimed kasvasid seni teadmata viisil, et kasutada t\u00e4iendavat toitaineallikat.<\/p>\n<p>Lu, endine Omidyari stipendiaat, kes viis osa uuringust l\u00e4bi Sante Fe instituudis ja j\u00e4reldoktorina Stanfordi \u00fclikoolis, m\u00e4rkis, et praegune arusaam juurtest on s\u00f5na otseses m\u00f5ttes liiga pinnapealne. Maapeal oleme t\u00e4nu satelliitidele ja kaugseirele kotka pilguga, kuid maa all tegutseme kui mutid. Meie piiratud n\u00e4gemine maa all t\u00e4hendab, et me ei suuda t\u00e4ielikult hinnata taimede v\u00f5imet salvestada s\u00fcsinikku s\u00fcgavale mulda.<\/p>\n<p>Kaasautor Avni Malhotra, kes juhtis <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https:\/\/doi.org\/10.1101\/2025.04.07.647629%20\">r\u00f6\u00f6biti l\u00e4bi viidud uuringut juurejaotuse ja mullas\u00fcsiniku seoste kohta<\/a>, m\u00e4rkis, et s\u00fcgavad taimejuured v\u00f5ivad \u00fches olukorras suurendada mullas\u00fcsiniku salvestust, kuid teises olukorras p\u00f5hjustada kadu, kuna need stimuleerivad mulla mikroobide aktiivsust. See avastus avab uue uurimissuuna, kuidas bimodaalsed \u2013 ehk siis kahetise struktuuriga \u2013 juuremustrid m\u00f5jutavad toitainete liikumist, veeringet ja mulla pikaajalist v\u00f5imekust s\u00fcsinikku salvestada.<\/p>\n<p>Lu s\u00f5nul peavad nii teadlased kui ka poliitikakujundajad vaatama s\u00fcgavamale maapinna alla, kuna need seni t\u00e4helepanuta j\u00e4\u00e4nud s\u00fcgavad mullakihid v\u00f5ivad sisaldada kriitilisi v\u00f5tmeid \u00f6kos\u00fcsteemide m\u00f5istmiseks ja haldamiseks kiiresti muutuvas kliimas.<\/p>\n<p>Hea uudis on see, et taimed v\u00f5ivad juba looduslikult aidata kliimamuutusi leevendada aktiivsemalt, kui seni arvatud \u2013 meil tuleb vaid s\u00fcgavamale kaevata, et nende tegelik potentsiaal avastada. Uuringusse panustasid ka teadlased Boston College\u2019ist, Columbia \u00fclikoolist, Dartmouth College\u2019ist, Morton Arboretumist, NEON-Battelle\u2019ist, Vaikse ookeani loodeosa riiklikust laborist (Pacific Northwest National Laboratory) ja Stanfordi \u00fclikoolist.<\/p>\n","protected":false},"excerpt":{"rendered":"Millised tegurid m\u00f5jutavad juurte jaotumist s\u00fcgavuse j\u00e4rgi? Kas s\u00fcgavamates muldades leiduvad toitained on peenjuurte (fine roots) poolt alakasutatud,&hellip;\n","protected":false},"author":2,"featured_media":17923,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[375,390,180,389,378,26,27,403,402,404,380,37,33,35,34,36,31,32,21,382,381,399,391,400,401,393,28,29,384,383,95,377,385,386,19,388,25,379,395,376,397,394,373,371,374,372,387,396,392,23,24,398,22,20,30,92,93,94],"class_list":{"0":"post-17922","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-maailm","8":"tag-ai","9":"tag-aku","10":"tag-arvustus","11":"tag-arvuti","12":"tag-auto","13":"tag-breaking-news","14":"tag-breakingnews","15":"tag-digitaalne","16":"tag-digiturvalisus","17":"tag-droon","18":"tag-e-sport","19":"tag-ee","20":"tag-eesti","21":"tag-eesti-keel","22":"tag-estonia","23":"tag-estonian","24":"tag-featured-news","25":"tag-featurednews","26":"tag-headlines","27":"tag-ikt","28":"tag-internet","29":"tag-isejuhtiv","30":"tag-kodumasin","31":"tag-kuberkuritegevus","32":"tag-kuberturvalisus","33":"tag-kutus","34":"tag-latest-news","35":"tag-latestnews","36":"tag-lennuk","37":"tag-lennundus","38":"tag-maailm","39":"tag-mangud","40":"tag-mobiilsus","41":"tag-mobiiltelefon","42":"tag-news","43":"tag-nutitelefon","44":"tag-populaarseimad-lood","45":"tag-relvad","46":"tag-riistvara","47":"tag-seadmed","48":"tag-sotsiaalmeedia","49":"tag-tarkvara","50":"tag-tehisintellekt","51":"tag-tehnika","52":"tag-tehnisintelekt","53":"tag-tehnoloogia","54":"tag-telefon","55":"tag-test","56":"tag-toostus","57":"tag-top-stories","58":"tag-topstories","59":"tag-transport","60":"tag-uldised-uudised","61":"tag-uudised","62":"tag-viimased-uudised","63":"tag-world","64":"tag-world-news","65":"tag-worldnews"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/17922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/comments?post=17922"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/17922\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media\/17923"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media?parent=17922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/categories?post=17922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/tags?post=17922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}