{"id":4286,"date":"2025-12-09T07:46:06","date_gmt":"2025-12-09T07:46:06","guid":{"rendered":"https:\/\/paul-tech.com\/?p=4286"},"modified":"2026-03-12T14:18:18","modified_gmt":"2026-03-12T14:18:18","slug":"palju-pohku-vahe-tera-miks-see-juhtub-ja-mida-sellest-oppida","status":"publish","type":"post","link":"https:\/\/paul-tech.com\/et\/palju-pohku-vahe-tera-miks-see-juhtub-ja-mida-sellest-oppida\/","title":{"rendered":"Palju p\u00f5hku \u2013 v\u00e4he tera: miks see juhtub ja mida sellest \u00f5ppida?"},"content":{"rendered":"<div class=\"wp-block-post-date\"><time datetime=\"2025-12-09T07:46:06+00:00\">December 9, 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\" viewBox=\"0 0 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 loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2025\/12\/IMG_6195-1024x556.jpg\" alt=\"\" class=\"wp-image-4287\" srcset=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2025\/12\/IMG_6195-1024x556.jpg 1024w, https:\/\/paul-tech.com\/wp-content\/uploads\/2025\/12\/IMG_6195-300x163.jpg 300w, https:\/\/paul-tech.com\/wp-content\/uploads\/2025\/12\/IMG_6195-768x417.jpg 768w, https:\/\/paul-tech.com\/wp-content\/uploads\/2025\/12\/IMG_6195.jpg 1206w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>2025. aasta taimekasvutingimused avaldasid m\u00e4rkimisv\u00e4\u00e4rset m\u00f5ju talinisu terasaagi ja p\u00f5hu suhtele. Paljudel p\u00f5ldudel kujunes olukord, kus tugev vegetatiivne areng ei kandunud \u00fcle terasaaki. Suur p\u00f5hukogus ja v\u00e4ike terasaak viitavad s\u00fcsteemsele tasakaaluh\u00e4irele, mille p\u00f5hjustasid liigniiskus, kaaliumi madal k\u00e4ttesaadavus ja liiga k\u00f5rge l\u00e4mmastikukoormus v\u00f5rreldes toitainete tasakaaluga.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kuidas liigniiskus m\u00f5jutab juurestikku?<\/strong><\/h2>\n\n\n\n<p>Kui muld on pikalt \u00fcleni m\u00e4rg, hakkavad taimed kannatama hapnikupuuduses. Juurekarvad k\u00e4rbuvad, toitainete liikumine aeglustub ja fotos\u00fcnteesi produktid ei j\u00f5ua \u00f5igesse kohta. Nitraatl\u00e4mmastik on vee abil siiski v\u00e4ga h\u00e4sti liikuv, seega taim omastab seda palju ja kiiresti. See loob lopsaka lehemassi ja suure p\u00f5hukoguse koristusajaks.<\/p>\n\n\n\n<p><strong>Aga:<\/strong> kaaliumi, fosfori ja magneesiumi omastamine langeb m\u00e4rkimisv\u00e4\u00e4rselt \u2013 need elemendid on terade moodustamisel v\u00f5tmet\u00e4htsusega.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kuidas kaaliumipuudus v\u00e4hendab talinisu terasaaki?<\/strong><\/h2>\n\n\n\n<p>Kaalium (K) vastutab suhkru transpordi eest peadesse. Kui kaaliumi j\u00e4\u00e4b v\u00e4heks, siis:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>fotos\u00fcntees toodab v\u00e4hem s\u00fcsivesikuid<\/li>\n\n\n\n<li>olemasolevad s\u00fcsivesikud ei liigu teradesse<\/li>\n\n\n\n<li>tera j\u00e4\u00e4b v\u00e4ikseks ja kergelt t\u00e4itunuks<\/li>\n<\/ul>\n\n\n\n<p>Nii tekibki olukord, kus taim kasvatab palju p\u00f5hku, aga tera j\u00e4\u00e4b napiks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Stress \u00f5itsemise ajal v\u00e4hendab terade arvu<\/strong><\/h2>\n\n\n\n<p>\u00d5itsemine on nisule k\u00f5ige tundlikum kasvufaas. Liigniiskus ja v\u00e4hene p\u00e4ikesevalgus kriitilisel ajal:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v\u00e4hendavad \u00f5ietolmu eluj\u00f5ulisust<\/li>\n\n\n\n<li>tekitavad viljastumish\u00e4ireid<\/li>\n\n\n\n<li>p\u00f5hjustavad terade arvu langust pea kohta<\/li>\n<\/ul>\n\n\n\n<p>P\u00f5ld n\u00e4eb k\u00fcll visuaalselt roheline ja tugev v\u00e4lja, kuid peade sees on v\u00e4hem t\u00e4itunud terasid.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kuhu tegelikult l\u00e4mmastik l\u00e4ks?<\/strong><\/h2>\n\n\n\n<p><strong>Paul-Techi<\/strong> mullaandurid n\u00e4itasid, et sel aastal v\u00e4etistega p\u00f5llule antud l\u00e4mmastik tarvitati taimede poolt pea maksimaalselt \u00e4ra, ka \u00fcsna suured kogused, ent see ei realiseerunud terasaagiks. Taim kasutas l\u00e4mmastikku:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>lehe ja k\u00f5rremassi ehitamiseks (vegetatiivne areng pikenes)<\/li>\n\n\n\n<li>stressi kompenseerimiseks<\/li>\n\n\n\n<li>osaliselt hingamisse<\/li>\n<\/ul>\n\n\n\n<p>Kui v\u00f5rrelda saake p\u00f5llule antud l\u00e4mmastikuga, siis terasse etten\u00e4htust j\u00f5udis sinna vaid umbes pool, kohati v\u00e4hemgi. See n\u00e4itab, et l\u00e4mmastiku agronoomiline kasutegur oli madal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mida sellest \u00f5ppida?<\/strong><\/h2>\n\n\n\n<p>Olukord \u201epalju p\u00f5hku \u2013 v\u00e4he tera\u201c kujunes kolme teguri koosm\u00f5jul:<\/p>\n\n\n\n<p><strong>1.<\/strong> <strong>Liigniiskus<\/strong>, mis p\u00e4rssis juurestiku t\u00f6\u00f6d.<\/p>\n\n\n\n<p><strong>2.<\/strong> <strong>Kaaliumi piiratud k\u00e4ttesaadavus <\/strong>\u2013 tera ei t\u00e4itu, suhkrud ei liigu peadesse.<\/p>\n\n\n\n<p><strong>3. Tasakaalust v\u00e4ljas l\u00e4mmastiku ja teiste toiteelementide suhe.<\/strong><\/p>\n\n\n\n<p>Tulevikus aitab sarnaseid probleeme v\u00e4ltida toiteelementide tasakaalustamine \u2013 l\u00e4htudes eriti kaaliumist. Abin\u00f5uks on ka niiskusre\u017eiimi parem juhtimine \u2013 korras maaparanduss\u00fcsteemid. Vihmasel aastal avaldus tugevamalt l\u00e4mmastiku keskse v\u00e4etamise negatiivne m\u00f5ju. Olukord \u201epalju p\u00f5hku \u2013 v\u00e4he tera\u201c ei ole juhuslik, vaid selge signaal tasakaalust v\u00e4ljas v\u00e4etamispraktikale.<\/p>\n\n\n\n<p>L\u00e4mmastiku koguse m\u00e4\u00e4ramisel tasub l\u00e4htuda tasakaalustatud v\u00e4etamisest ja ilmastikust, mis m\u00f5jutab taimede toitainete omastamist \u2013 suurendades v\u00f5i v\u00e4hendades norme vastavalt olukorrale. Toitainete koguste t\u00e4pne optimeerimine v\u00e4\u00e4rib pingutamist.<\/p>\n\n\n\n<p>Loe ka \ud83d\udc49 <strong><a href=\"https:\/\/paul-tech.com\/et\/taimede-toitumine-ja-no3-mootmine-paul-techi-naitajate-kaudu\/\">Taimede toitumine ja NO3 m\u00f5\u00f5tmine Paul-Techi n\u00e4itajate kaudu<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2025. aasta taimekasvutingimused avaldasid m\u00e4rkimisv\u00e4\u00e4rset m\u00f5ju talinisu terasaagi ja p\u00f5hu suhtele. Paljudel p\u00f5ldudel kujunes olukord, kus tugev vegetatiivne areng ei&#8230;<\/p>\n","protected":false},"author":3,"featured_media":4297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-4286","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>Palju p\u00f5hku \u2013 v\u00e4he tera: miks see juhtub ja mida sellest \u00f5ppida? - Paul-Tech<\/title>\n<meta name=\"description\" content=\"Suur p\u00f5hukogus, v\u00e4ike terasaak? 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