{"id":4543,"date":"2022-08-10T22:46:06","date_gmt":"2022-08-10T20:46:06","guid":{"rendered":"https:\/\/greencoolschools.eu\/lurzoru-motak\/"},"modified":"2026-01-19T10:17:45","modified_gmt":"2026-01-19T09:17:45","slug":"lurzoru-motak","status":"publish","type":"page","link":"https:\/\/greencoolschools.eu\/eu\/gaiak\/lurzoru-motak\/","title":{"rendered":"Lurzoru-motak"},"content":{"rendered":"\n<div class=\"wp-block-columns pad-and-mobile-only-toc is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">[ez-toc]\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><\/div>\n<\/div>\n\n<div class=\"inherit-container-width wp-block-group content-box-intro-outer content-type-topics is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<h1 class=\"wp-block-heading\">Lurzoru-motak<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Zein dira desberdintasunak?<\/h2>\n\n\n\n<div class=\"wp-block-columns content-box-intro content-box-intro-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center content-box-intro-cols content-box-intro-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"365\" height=\"365\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-01.png\" alt=\"\" class=\"wp-image-6191\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-01.png 365w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-01-300x300.png 300w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-01-150x150.png 150w\" sizes=\"auto, (max-width: 365px) 100vw, 365px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center content-box-intro-cols content-box-intro-text is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<p><strong>Hareatsua, buztintsua edo lohitsua?<\/strong> Lurzoruen konposizioa haien substantzia mineralaren konposizio granulometrikoaren eta harekin lotutako ukimen-propietateen araberakoa da. Konposizio granulometrikoak honetan du eragina: lurzoruek gorde dezaketen ur-kantitatean, izan ditzaketen mantenugaietan, lurzoruak lantzeko zailtasun-mailan eta landareak haietan sustraitzeko moduan.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"inherit-container-width wp-block-group content-box-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns content-box-header content-box-header-benefits is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-header-cols content-box-header-text content-box-header-text-benefits is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p>IKASTETXEETARAKO ABANTAILAK<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns content-box-body content-box-body-benefits is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-body-cols content-box-body-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"133\" height=\"133\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/img_benefits.png\" alt=\"\" class=\"wp-image-1448\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-body-text content-box-body-text-benefits is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<ul class=\"wp-block-list\">\n<li>Ezagutu jolastokiko edo eskolako laborantza-baldintzak lurzoruaren ikuspuntutik, eta aurkitu landareentzako lekurik onenak.<\/li>\n\n\n\n<li>Ezagutu lurzoru-motak, eta ikasi haien arteko aldeak ezagutzen.<\/li>\n\n\n\n<li>Berdatzeko lurzoru-mota onak zein diren eta, beharrezkoa bada, lurzorua nola hobetu daitekeen ulertzea.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Lurzoru-motak<\/h2>\n\n<p>Eskuarki, lurzoru-motak honela sailkatzen dira: hareatsuak, lohitsuak eta buztintsuak. Gainera, tarteko maila batzuetan, osagai nagusiak ematen dio izena lurzoruari. Adibidez, &laquo;buztin hareatsua&raquo; edo &laquo;harea lohitsua&raquo;.<\/p>\n\n<div class=\"inherit-container-width wp-block-group content-box-defs-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<h4 class=\"wp-block-heading\">Lurzoru buztintsuak<\/h4>\n\n\n\n<p>&hellip; lurzoru astunak, hezeak edo bustiak dira, eta pikor-tamaina oso fina dute (&lt; 0,002 mm). Ur-kantitate handia xurga dezakete. Infiltrazio-ura astiro-astiro askatzen da; beraz, euria egiten duenean, maiz istiltzen dira. Landareen sustraiak lur horietan baino ezin dira hazi eta arnasa nekez hartu, eta horrek ur eta elikagai gutxi xurgatzea eragiten du.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"119\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-02.png\" alt=\"\" class=\"wp-image-6186\" style=\"width:841px;height:199px\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-02.png 502w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-02-300x71.png 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Lurzoru lohitsuak<\/h4>\n\n\n\n<p>&hellip; hiru ale-zatiak dituzte, hau da, harea, lohia eta buztina. Ale-tamainen nahasketa orekatu samarra izateaz gain, ale nagusiaren zatikiak zehazten ditu haren ezaugarri nagusiak (adibidez, lurzoru franko-hareatsuak). Ura gorantz drainatzeko eta ura atxikitzeko ahalmen handia dute. Lurzoru lohitsuek mantenugai asko dituzte. Desabantailak, batez ere lurzoru buztintsu astunetan, aireztapen txarra eta nekazaritzatik haiekin lan egiteko zailtasuna dira. Gainera, lurzoru margatsuak oso motel berotzen dira udaberrian. Lurzoru buztintsu arinenak eta, beraz, aireztatuenak oso egokiak dira nekazaritzako eta lorategiko lurzoruak bezala. Lurzoru buztintsuetako irin-partikulak lohiaren partikulak dira (0,002 eta 0,063 mm bitartekoak), eta hatzen pleguetan itsasten dira.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"130\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-04.png\" alt=\"\" class=\"wp-image-6176\" style=\"width:835px;height:217px\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-04.png 500w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-04-300x78.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Lurzoru hareatsuak<\/h4>\n\n\n\n<p>&hellip; ale larrien aldebakarreko proportzioa dute (0,063 eta 2 mm bitartekoa). Lantzeko errazak dira, baina mantenugai gutxi izaten dituzte. Ale larrikoak direnez, ondo aireztatuta egoten dira, landareak erraz sustraitzen dira haietan, eta azkar berotzen dira. Ur asko xurga badezakete ere, gutxi gordetzen dute.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"121\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-03.png\" alt=\"\" class=\"wp-image-6181\" style=\"width:835px;height:202px\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-03.png 500w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-03-300x73.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\"><strong>Lurzoruaren egitura eta horizonteak<\/strong><\/h2>\n\n<p>Lurzoruetan estratifikazio horizontala bereizten da. Estratifikazio horiei &laquo;horizonte&raquo; deritze. Horizonteen sekuentziari &laquo;lurzoruaren profil&raquo; deritzo. Horizonte bereizgarriek zehazten dute lurzorua nolakoa den. Geruza bakoitzak hainbat material ditu, eta lurreko animalien habitata da. Geruza bakoitzean, lurzorua eratzeko zenbait prozesu gertatzen dira.<\/p>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"837\" height=\"657\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-08-1.png\" alt=\"\" class=\"wp-image-6156\" style=\"width:441px;height:346px\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-08-1.png 837w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-08-1-300x235.png 300w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-08-1-768x603.png 768w\" sizes=\"auto, (max-width: 837px) 100vw, 837px\" \/><\/figure>\n\n<p><strong>L horizontea<\/strong> &mdash;orbel-geruza&mdash; ez da benetako lurzorua, eta deskonposatu gabeko material organikoz osatuta dago, hala nola hostoz.<\/p>\n\n<p><strong>O horizontean<\/strong> &mdash;usteltze-geruza&mdash;, lurreko animaliak bizi dira, hala nola akaroak, isopodoak, harrak eta intsektuak, orbel-geruza deskonposatzen dutenak. Horizonte hori deskonposizio-geruza bat da.<\/p>\n\n<p><strong>A horizontea<\/strong> &mdash;humus-geruza&mdash; lurreko animalia gehienen habitata da. Gainera, materia organikoaren proportziorik handiena du lurzoru osoan. Bakterioek, onddoek, algek eta zizareek deskonposatzen ari diren landare-hondarrak prozesatu eta humus bihurtzen dituzte. Lurreko animalien jardueraren ondorioz, lurzoruaren osagai berriak sortzen dira; hortaz, A horizontea eratze-geruza bat da. Denboraren joanean, A horizonteko substantziak B horizontera lekualdatzen dira.<\/p>\n\n<p><strong>B horizontea<\/strong> &mdash;meteorizazio-horizontea&mdash; meteorizatutako arroka amak osatzen du; hori dela eta, mineralak ditu metatuta, landareek mantenugai gisa erabil ditzaketenak. Goiko horizonteak baino trinkoagoa eta sendoagoa da. A horizontea nolakoa den, B horizonte desberdinak garatu daitezke.<\/p>\n\n<p><strong>C horizontearen<\/strong> &mdash;arroka ama&mdash; osagai nagusia arroka ama da; esaterako, granitoa edo legarra izan daiteke. Metakin minerala da arroka ama, eta, meteorizatzen denean, mineralak askatzen dira hartatik. Arroka kontserbatu egiten da, nahiz eta meteorizazio kimikoa eta fisikoa hasita egon.<\/p>\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"575\" height=\"1024\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/Bodenprofil_Hochformat_RD-575x1024.jpg\" alt=\"\" class=\"wp-image-1330\" style=\"width:431px;height:768px\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/Bodenprofil_Hochformat_RD-575x1024.jpg 575w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/Bodenprofil_Hochformat_RD-168x300.jpg 168w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/Bodenprofil_Hochformat_RD-768x1368.jpg 768w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/Bodenprofil_Hochformat_RD-862x1536.jpg 862w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/Bodenprofil_Hochformat_RD-1150x2048.jpg 1150w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/Bodenprofil_Hochformat_RD-scaled.jpg 1437w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><figcaption class=\"wp-element-caption\"><em><a href=\"https:\/\/greencoolschools.eu\/eu\/glossary\/lurzoruaren-horizontea\/\" target=\"_self\" title='Lurzoruaren eraketa oso desberdina da kokapenaren arabera. Ondorioz, lurzoruek ez dute egitura uniformerik, baizik eta gainazalaren pareko edo gutxi gorabeherako geruzatan banatuta daude. Beren propietateetan desberdinak diren geruza horiei \"lurzoruaren horizonte\" deitzen zaie. Oro har, arroka-geruza oso hondoan dago, lur azpia minerala gainean eta humus-aberastutako lurzorua* gainean.' class=\"encyclopedia\">Lurzoruaren horizontea<\/a>k (Ralf Dopheideren argazkia)<\/em><\/figcaption><\/figure>\n\n<div class=\"inherit-container-width wp-block-group content-box-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns content-box-header content-box-header-aha is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-header-cols content-box-header-text content-box-header-text-aha is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p class=\"content-box-header-text content-box-header-text-aha\">BA AL ZENEKIEN?<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-header-cols is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns content-box-body content-box-body-aha is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-body-cols content-box-body-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"133\" height=\"133\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/img_aha.png\" alt=\"\" class=\"wp-image-421\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-body-cols content-box-body-text content-box-body-text-aha is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Horizonte guztiak ez daude lurzoru guztietan. Esaterako, zenbait lurzorutan, B horizontea falta da. Lurzoru horiei A-C lurzoru esaten zaie.<\/p>\n\n\n\n<p>Lurzoruaren horizonte guztiek ez dute lodiera bera. Horizonte batzuk lodiagoak dira, eta beste batzuk, oso meheak. Lurzoruaren horizonteen ordenak lurzorua nola garatu den erakusten du.<\/p>\n\n\n\n<p>Humusak ura gordetzeko oso ahalmen handia du. Biltegiratutako ur-kantitatea humus-kantitatea halako 20 ere izan daiteke. Lurzoruan humusaren proportzioa handituz gero, ura biltegiratzeko ahalmena handitu egin daiteke.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"837\" height=\"469\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-09-1.png\" alt=\"\" class=\"wp-image-6151\" style=\"width:345px;height:193px\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-09-1.png 837w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-09-1-300x168.png 300w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2023\/02\/Soil-Types-09-1-768x430.png 768w\" sizes=\"auto, (max-width: 837px) 100vw, 837px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"inherit-container-width wp-block-group content-box-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns content-box-header content-box-header-opportunities is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-header-cols content-box-header-text content-box-header-text-opportunities is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:95%\">\n<p>GAIAN SAKONTZEKO AUKERAK<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\">\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns content-box-body content-box-body-opportunities is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-body-cols content-box-body-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"133\" height=\"133\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/img_benefits.png\" alt=\"\" class=\"wp-image-1448\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-body-text content-box-body-text-opportunities is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p>Eskuratutako ezagutzak indartzeko, galdera hauek landu ditzakezu ikasleekin:<\/p>\n\n\n\n<p><strong>Zein lurzoru dira egokiak zein landare mota lantzeko? Zein gutxiago?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ikasleak: Lurzoru-motak laburbildu eta azaltzea.<\/li>\n\n\n\n<li>Lurzoru-motei buruzko informazioa lortuko dute, landareen hazkundeari eta haien beharrei erreparatuta.<\/li>\n<\/ul>\n\n\n\n<p><strong>Zer lurzoru-mota trinkotzen dira erraz? Ibilgailu bat gainetik pasatzean, zein trinkotuko da gehien, lurzoru hezea ala lurzoru lehorra? Zergatik?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ikasleek lurzoruaren trinkotzeari buruz hitz egingo dute. Lurzorua trinkotzeko arrazoiak aipatu eta ondorioak aztertuko dira.<\/li>\n<\/ul>\n\n\n\n<p><strong>Eraginik badu horizonterik ez izateak lurzoruaren emankortasunean?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ikasleek lurzoruaren horizonteei buruzko informazioa interpretatuko dute.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"inherit-container-width wp-block-group content-box-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns content-box-header content-box-header-aha is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-header-cols content-box-header-text content-box-header-text-aha is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p class=\"content-box-header-text content-box-header-text-aha\">BA AL ZENEKIEN?<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-header-cols is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns content-box-body content-box-body-aha is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-body-cols content-box-body-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"133\" height=\"133\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/img_aha.png\" alt=\"\" class=\"wp-image-421\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-body-cols content-box-body-text content-box-body-text-aha is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Lurzoruak eta klima oreka dinamikoan daude, eta elkarri eragiten diote. Klima da lurzorua eratzearen erantzule nagusia. Orobat, osasuntsu eta bere horretan dauden lurzoruek eragina dute kliman, <a href=\"https:\/\/greencoolschools.eu\/eu\/glossary\/atmosfera\/\" target=\"_self\" title=\"Atmosfera gorputz zerutiar bat inguratzen duen gas-geruza da.\" class=\"encyclopedia\">atmosfera<\/a>ko karbonoa eta berotegi-efektuko beste gas batzuk xurgatu eta finkatzen baitituzte. Karbono-biltegiak dira lurzoruak; hots, berotze globala eta <a href=\"https:\/\/greencoolschools.eu\/eu\/glossary\/berotegi-efektua\/\" target=\"_self\" title=\"Eguzki izpiek erradiazio ultramorearen forma hartu zuten. Zati bat islatuta dago. Atmosferara bidean, karbono dioxidoa (CO2), ozonoa eta ur-lurruna erradiazio infragorri moduan islatzen dira. Efektu honek berotegia bezala berotzen du lurra eta 15 &deg; C-ko tenperatura ertaina bermatzen du (-18 &deg; C-ren ordez). Oreka natural hori gizakiek asaldatzen dute gas igorpen handien bidez, lurrari gero eta erradiazio gehiago islatzen baitiote, tenperatura igoaraziz. Berotegi-efektu antropogenikoa da, egungo klima-aldaketari laguntzen diona.\" class=\"encyclopedia\">berotegi-efektua<\/a> konpentsatzen dituzte.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"inherit-container-width wp-block-group content-box-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns content-box-header content-box-header-hint is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-header-cols content-box-header-text content-box-header-text-hint is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p class=\"content-box-header-text content-box-header-text-hint\">IDEIA<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-header-cols is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns content-box-body content-box-body-hint is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-body-cols content-box-body-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"133\" height=\"133\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/img_hint.png\" alt=\"\" class=\"wp-image-433\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-body-cols content-box-body-text content-box-body-text-hint is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Eztabaidatu ikasleekin gai hauei buruz, eta sortu kartel bat ikasgelarako. Erabili irudiak collage bat egiteko.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zer egin dezakegu lurzorua eta, beraz, klima babesteko?<\/li>\n\n\n\n<li>Gizakion zer jardueratan isurtzen dira karbono dioxidoa (CO<sub>2<\/sub>-a) eta berotegi-efektuko beste gas batzuk?<\/li>\n\n\n\n<li>Goldatzen dutenean, kliman eragiten dute nekazariek?<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Esperimentuak<\/h2>\n<div class=\"ultp-post-grid-block wp-block-ultimate-post-post-list-3 ultp-block-5f2d68\"><div class=\"ultp-block-wrapper\"><div class=\"ultp-loading\"><div class=\"ultp-loading-blocks\" style=\"width:100%;height:100%;\"><div style=\"left: 0;top: 0;animation-delay:0s;\"><\/div><div style=\"left: 21px;top: 0;animation-delay:0.125s;\"><\/div><div style=\"left: 42px;top: 0;animation-delay:0.25s;\"><\/div><div style=\"left: 0;top: 21px;animation-delay:0.875s;\"><\/div><div style=\"left: 42px;top: 21px;animation-delay:0.375s;\"><\/div><div style=\"left: 0;top: 42px;animation-delay:0.75s;\"><\/div><div style=\"left: 42px;top: 42px;animation-delay:0.625s;\"><\/div><div style=\"left: 21px;top: 42px;animation-delay:0.5s;\"><\/div><\/div><\/div><div class=\"ultp-block-items-wrap ultp-block-row ultp-block-column-1 ultp-block-content-middle ultp-block-content-true ultp-layout1\"><section class=\"ultp-block-item ultp-block-media post-id-3968\"><div class=\"ultp-block-content-wrap\"><div class=\"ultp-block-image ultp-block-image-opacity\"><a href=\"https:\/\/greencoolschools.eu\/eu\/gaiak\/lurzoru-motak\/esperimentua-lurzoruaren-analisia\/\"><img decoding=\"async\" src=\"https:\/\/greencoolschools.eu\/wp-content\/plugins\/ultimate-post\/assets\/img\/ultp-fallback-img.png\" alt=\"dummy-img\"><\/a><\/div><div class=\"ultp-block-content\"><h3 class=\"ultp-block-title \"><a href=\"https:\/\/greencoolschools.eu\/eu\/gaiak\/lurzoru-motak\/esperimentua-lurzoruaren-analisia\/\">Esperimentua: Lurzoruaren analisia<\/a><\/h3><div class=\"ultp-block-excerpt\"><p>Ikasleek lurzoru-motak eta horien osaera ezagutzen ikasiko dute, arrabolaren proba baliatuz..<\/p>\n<\/div><\/div><\/div><\/section><\/div><\/div><div class=\"pagination-block-html\" aria-hidden=\"true\" style=\"display: none;\"><\/div><\/div>\n<p><\/p>\n\n<h2 class=\"wp-block-heading\">Eskualdeko Informazioa<\/h2>\n\n<div class=\"inherit-container-width wp-block-group content-box-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns content-box-header content-box-header-related is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-header-cols content-box-header-text content-box-header-text-aha is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:95%\">\n<p class=\"content-box-header-text content-box-header-text-related\">ESKUALDEKO INFORMAZIOA<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-header-cols is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns content-box-body content-box-body-related is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column content-box-body-cols content-box-body-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"133\" height=\"133\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/img_info.png\" alt=\"\" class=\"wp-image-437\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column content-box-body-cols content-box-body-text content-box-body-text-related is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Zure eskualdeari buruzko informazio gehiago eta beste herrialde batzuekin lotutako gaien ikuspegi orokorra orrialde honetan:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/greencoolschools.eu\/eu\/gaiak\/lurzoru-motak\/eskualdeko-informazioa-lurzoru-motak\/\" data-type=\"page\" data-id=\"2224\">ESKUALDEKO INFORMAZIOA: Lurzoru-motak<\/a><\/h3>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"inherit-container-width wp-block-group footer-eu-disclaimer-outer is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns footer-eu-disclaimer-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column footer-eu-disclaimer-col-image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:20%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"268\" src=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/eu-flag.png\" alt=\"\" class=\"wp-image-1154\" srcset=\"https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/eu-flag.png 400w, https:\/\/greencoolschools.eu\/wp-content\/uploads\/2022\/08\/eu-flag-300x201.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column footer-eu-disclaimer-col-text is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\">\n<p class=\"footer-eu-disclaimer-text\"><em>Europako Batzordeak argitalpen hau ekoizteko ematen duen laguntzak ez du edukia onesten. Eduki honek egileen iritziak islatzen ditu bakarrik, eta Batzordeak ez du bere gain hartzen erantzukizunik edukiotan jasotako informazioa erabiltzeko moduaren gainean.<\/em><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Lurzoruen konposizioa haien substantzia mineralaren konposizio granulometrikoaren eta horrekin lotutako ukimen-propietateen araberakoa da. Konposizio granulometrikoak honetan du eragina: lurzoruek gorde dezaketen ur-kantitatean, izan ditzaketen mantenugaietan, lurzoruak lantzeko zailtasun-mailan eta landareak haietan sustraitzeko moduan.<\/p>\n","protected":false},"author":1,"featured_media":1189,"parent":7752,"menu_order":20,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":null,"site-content-layout":"","ast-site-content-layout":null,"site-content-style":null,"site-sidebar-style":null,"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":null,"ast-breadcrumbs-content":"","ast-featured-img":null,"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":"default","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 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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":""}},"footnotes":""},"categories":[187,413],"tags":[308,63],"language":[64],"agegroup":[364,365,363],"material":[397],"topic":[380],"folder":[38],"class_list":["post-4543","page","type-page","status-publish","has-post-thumbnail","hentry","category-gaiak-eu","category-resource","tag-resource","tag-soil-types","language-english","agegroup-10-14-urte","agegroup-15-19-urte","agegroup-5-9-urte","material-informazioa","topic-lurra"],"_links":{"self":[{"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/pages\/4543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/comments?post=4543"}],"version-history":[{"count":0,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/pages\/4543\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/pages\/7752"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/media\/1189"}],"wp:attachment":[{"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/media?parent=4543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/categories?post=4543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/tags?post=4543"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/language?post=4543"},{"taxonomy":"agegroup","embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/agegroup?post=4543"},{"taxonomy":"material","embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/material?post=4543"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/topic?post=4543"},{"taxonomy":"folder","embeddable":true,"href":"https:\/\/greencoolschools.eu\/eu\/wp-json\/wp\/v2\/folder?post=4543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}