{"id":2746,"date":"2025-03-11T08:51:30","date_gmt":"2025-03-11T08:51:30","guid":{"rendered":"https:\/\/paul-tech.com\/?p=2746"},"modified":"2026-03-12T14:39:29","modified_gmt":"2026-03-12T14:39:29","slug":"kevadine-vaetamine-ja-mullajaama-andmed-miks-on-no3-jalgimine-oluline","status":"publish","type":"post","link":"https:\/\/paul-tech.com\/et\/kevadine-vaetamine-ja-mullajaama-andmed-miks-on-no3-jalgimine-oluline\/","title":{"rendered":"Kevadine v\u00e4etamine ja mullajaama andmed: Miks on NO3 j\u00e4lgimine oluline?"},"content":{"rendered":"<div class=\"wp-block-post-date\"><time datetime=\"2025-03-11T08:51:30+00:00\">March 11, 2025<\/time><\/div>\n\n\n<ul class=\"wp-block-social-links is-layout-flex wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-facebook  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.facebook.com\/PaulTechEstonia\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" 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class=\"wp-social-link wp-social-link-youtube  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.youtube.com\/@paul-tech_esoil\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M21.8,8.001c0,0-0.195-1.378-0.795-1.985c-0.76-0.797-1.613-0.801-2.004-0.847c-2.799-0.202-6.997-0.202-6.997-0.202 h-0.009c0,0-4.198,0-6.997,0.202C4.608,5.216,3.756,5.22,2.995,6.016C2.395,6.623,2.2,8.001,2.2,8.001S2,9.62,2,11.238v1.517 c0,1.618,0.2,3.237,0.2,3.237s0.195,1.378,0.795,1.985c0.761,0.797,1.76,0.771,2.205,0.855c1.6,0.153,6.8,0.201,6.8,0.201 s4.203-0.006,7.001-0.209c0.391-0.047,1.243-0.051,2.004-0.847c0.6-0.607,0.795-1.985,0.795-1.985s0.2-1.618,0.2-3.237v-1.517 C22,9.62,21.8,8.001,21.8,8.001z M9.935,14.594l-0.001-5.62l5.404,2.82L9.935,14.594z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">YouTube<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-tiktok  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.tiktok.com\/@paultech_soil\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 32 32\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M16.708 0.027c1.745-0.027 3.48-0.011 5.213-0.027 0.105 2.041 0.839 4.12 2.333 5.563 1.491 1.479 3.6 2.156 5.652 2.385v5.369c-1.923-0.063-3.855-0.463-5.6-1.291-0.76-0.344-1.468-0.787-2.161-1.24-0.009 3.896 0.016 7.787-0.025 11.667-0.104 1.864-0.719 3.719-1.803 5.255-1.744 2.557-4.771 4.224-7.88 4.276-1.907 0.109-3.812-0.411-5.437-1.369-2.693-1.588-4.588-4.495-4.864-7.615-0.032-0.667-0.043-1.333-0.016-1.984 0.24-2.537 1.495-4.964 3.443-6.615 2.208-1.923 5.301-2.839 8.197-2.297 0.027 1.975-0.052 3.948-0.052 5.923-1.323-0.428-2.869-0.308-4.025 0.495-0.844 0.547-1.485 1.385-1.819 2.333-0.276 0.676-0.197 1.427-0.181 2.145 0.317 2.188 2.421 4.027 4.667 3.828 1.489-0.016 2.916-0.88 3.692-2.145 0.251-0.443 0.532-0.896 0.547-1.417 0.131-2.385 0.079-4.76 0.095-7.145 0.011-5.375-0.016-10.735 0.025-16.093z\" \/><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">TikTok<\/span><\/a><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2025\/03\/472391491_1133905071800638_4683449280181272686_n-2-1024x1000.jpg\" alt=\"\" class=\"wp-image-2747\"\/><\/figure>\n\n\n\n<p>Kevad on p\u00f5llumajanduses kriitiline aeg, kus iga otsus v\u00f5ib m\u00f5jutada kogu hooaja saaki. \u00dcks olulisemaid tegureid kevadise v\u00e4etamise juures on ajastus \u2013 \u00f5igel hetkel tehtud v\u00e4etamine aitab maksimaalselt \u00e4ra kasutada mullas olevat niiskust ja tagab taimedele k\u00e4ttesaadavad toitained.<\/p>\n\n\n\n<p>Kuid kuidas teada, millal ja kui palju v\u00e4etada? Kuidas kindlaks teha, kui suur on tegelik nitraatl\u00e4mmastiku (NO3-N) k\u00e4ttesaadavus mullas ning kas lisav\u00e4etamine on vajalik? Just siin tuleb appi<a href=\"http:\/\/www.paul-tech.com\"> <strong>Paul-Techi <\/strong><\/a>mullajaam, mis v\u00f5imaldab reaalajas j\u00e4lgida toitainete d\u00fcnaamikat ja mullas toimuvaid protsesse.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L\u00e4mmastiku omandamine taimede poolt<\/strong><\/h2>\n\n\n\n<p>Taimedele k\u00f5ige t\u00e4htsam toiteelement l\u00e4mmastik omandatakse taimede poolt mineraalses vormis nitraatiooni NO3-kujul. NO3-N on v\u00e4ga liikuv ja <em>n-\u00f6<\/em> kiire k\u00e4ibega toiteelement \u2013 see kas tarbitakse taimiku poolt v\u00f5i leostub koos mullavee liikumisega. Kasvuperioodil v\u00e4etamisega seotud Paul-Techi (PT) toitainete n\u00e4itajate muutus on tekitatud peamiselt NO3-N m\u00f5jul ning selle d\u00fcnaamika v\u00f5imaldab meil ka kvantitatiivselt hinnata mullas lahustunud ja taimedele k\u00e4ttesaadavaks muutunud, \u00e4ra tarbitud v\u00f5i leostunud NO3-N koguseid kvantitatiivselt mg\/kg v\u00f5i kg\/ha kogu kasvuperioodi v\u00e4ltel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ammooniuml\u00e4mmastik mullas<\/strong><\/h2>\n\n\n\n<p>Ammooniuml\u00e4mmastik esineb mullas NH4+ iooni kujul, mis on v\u00e4ga v\u00e4he liikuv, seotud mulla struktuuridega ning seega suurt m\u00f5ju mulla elektrijuhtivusele ei anna. Ammooniuml\u00e4mmastik (aga ka mullas sisalduv orgaaniline l\u00e4mmastik) muutub taimedele k\u00e4ttesaadavaks alles siis, kui ta on l\u00e4binud mullabakterite tegevuse tulemusena nitrifikatsiooni protsessi ning muutunud NO3- iooniks. Sel juhul kajastub ta juba otse PT toitainete n\u00e4itajates ning seda protsessi, sh arvuliselt NO3-N tekkimist kg\/ha, on v\u00f5imalik j\u00e4lgida PT toitainete graafikutel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mis on toitainte baastase?<\/strong><\/h2>\n\n\n\n<p>Toitainete algtase ehk TAAT &#8211; Kevadel mullalahuses lahustunud toitainte hulk enne v\u00e4etamist. \u00dcldjuhul ei sisalda see NO3-N (nitraatl\u00e4mmastikku).<\/p>\n\n\n\n<p><strong>Mida n\u00e4itab toitainete baastase?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Registreerime toitainete baastaseme varakevadel, mille p\u00f5hjal saame teha edaspidi v\u00e4etamise otsuseid. Baastase n\u00e4itab taimedele k\u00e4ttesaadavaid toitaineid ilma liikuva l\u00e4mmastikuta (nitraatl\u00e4mmastik ehk N03-N).<\/li>\n\n\n\n<li>N\u00e4eme kevadel lisatud l\u00e4mmastiku tarbimist ja leostumist ning toitainete liikumist eri mulla kihtide vahel talve jooksul.<\/li>\n\n\n\n<li>TA baastase on aluseks v\u00e4etamise otsuste ning taimede toitainetega varustatuse j\u00e4lgimiseks kogu j\u00e4rgneva kasvuperioodi v\u00e4ltel.&nbsp;<\/li>\n\n\n\n<li>TA baastaseme kaudu saame hinnata liikuva l\u00e4mmastiku kogust kasvuperioodi l\u00f5pus, mis v\u00f5imaldab otsustada vahekultuuride kasutamise ning talivilja v\u00e4etamise \u00fcle j\u00e4rgmiseks hooajaks.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Toitainete baastase \u2013 v\u00f5tmetegur v\u00e4etamise otsuste tegemisel<\/strong><\/h2>\n\n\n\n<p>Paul-Techi mullajaam m\u00e4\u00e4rab kindlaks toitainete baastaseme varakevadel, enne aktiivse taimekavu algust. Baastase n\u00e4itab mullas olevate taimedele k\u00e4ttesaadavate toitainete hulka ilma liikuvate l\u00e4mmastik\u00fchenditeta (nitraatl\u00e4mmastik ehk NO3-N). Selle andmestiku abil saavad p\u00f5llumehed teha t\u00e4psemaid v\u00e4etamise otsuseid, v\u00e4hendades \u00fclev\u00e4etamise riski ja parandades saagikust.<\/p>\n\n\n\n<p><strong>Toitainete d\u00fcnaamika j\u00e4lgimine:<\/strong> Mulda paigaldatud mullajaam kogub andmeid, mis n\u00e4itavad, kuidas mullas olevad taimedele omastatavad toitainete varud muutuvad. Eri s\u00fcgavusel olevate andurite andmete p\u00f5hjal saab otsustada toitainete leostumise \u00fcle. See aitab p\u00f5llumeestel m\u00f5ista konkreetse p\u00f5llumulla omadusi ning selle p\u00f5hjal planeerida v\u00e4etamisi jt. t\u00f6id.<\/p>\n\n\n\n<p><strong>L\u00e4mmastiku tarbimine ja leostumine:<\/strong> L\u00e4mmastik on mullas \u00fcks k\u00f5ige liikuvamaid toitaineid, mis t\u00e4hendab, et s\u00fcgisel lisatud l\u00e4mmastik kas tarbitakse taimede poolt v\u00f5i see leostub mulla alumistesse kihtidesse. Mullajaamad v\u00f5imaldavad j\u00e4lgida l\u00e4mmastiku tarbimist ja selle k\u00e4itumist mullas, et teha paremaid v\u00e4etamise otsuseid. Eriti oluline on nende protsesside j\u00e4lgimine l\u00e4ga kasutamise puhul p\u00f5ldudel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>T\u00e4psed v\u00e4etamise otsused mullajaama abil<\/strong><\/h2>\n\n\n\n<p>Paul-Techi toitainete n\u00e4it sisaldab k\u00f5iki hetkel mullalahuses olevaid toitaineid. Eri elementide m\u00f5ju toitainete n\u00e4idule on kirjeldatav nende osakaaluga mass flow omastamise mehhanismis. Toitainete algtase (TAAT) iseloomustab mulla viljakust ehk \u00fcldist toitainete sisaldust ilma lisatud mineraalse nitraatl\u00e4mmastikuta (NO3) ning on mulda iseloomustav suurus ega muutu oluliselt kasvuperioodi v\u00e4ltel.<\/p>\n\n\n\n<p>Toitainete n\u00e4idu d\u00fcnaamika kasvuperioodi v\u00e4ltel on suures osas tingitud NO3-N sisalduse muutusest, v\u00e4etiste lahustumisest mullas, tarbimisest v\u00f5i leostumisest. Paul-Techi toitainete n\u00e4itude ja graafikute alusel saab m\u00e4\u00e4rata NO3-N sisalduse mullas kvantitatiivselt kogustena mg\/kg v\u00f5i kg\/ha. SO4 sisaldavate v\u00e4etiste korral kajastub ka sulfaatioon ning tema sisalduse muutus toitainete n\u00e4idus.<\/p>\n\n\n\n<p>Loe ka \ud83d\udc49 <strong><a href=\"https:\/\/paul-tech.com\/et\/temperatuur-mojutab-vaetiste-efektiivsust-millal-on-oige-aeg-vaetamiseks\/\">Temperatuur m\u00f5jutab v\u00e4etiste efektiivsust \u2013 millal on \u00f5ige aeg v\u00e4etamiseks?<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kevad on p\u00f5llumajanduses kriitiline aeg, kus iga otsus v\u00f5ib m\u00f5jutada kogu hooaja saaki. \u00dcks olulisemaid tegureid kevadise v\u00e4etamise juures on&#8230;<\/p>\n","protected":false},"author":3,"featured_media":2747,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-et"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kevadine v\u00e4etamine ja mullajaama andmed: Miks on NO3 j\u00e4lgimine oluline? - Paul-Tech<\/title>\n<meta name=\"description\" content=\"Kevadine v\u00e4etamine m\u00e4\u00e4rab saagi edu. 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