{"id":6749,"date":"2026-10-05T19:41:39","date_gmt":"2026-10-05T19:41:39","guid":{"rendered":"https:\/\/paul-tech.com\/?p=6749"},"modified":"2026-10-05T19:45:15","modified_gmt":"2026-10-05T19:45:15","slug":"kust-tuli-pollule-jarsku-nii-palju-nitraatlammastikku","status":"publish","type":"post","link":"https:\/\/paul-tech.com\/et\/kust-tuli-pollule-jarsku-nii-palju-nitraatlammastikku\/","title":{"rendered":"Kust tuli p\u00f5llule j\u00e4rsku nii palju nitraatl\u00e4mmastikku?"},"content":{"rendered":"<div class=\"wp-block-post-date\"><time datetime=\"2026-10-05T19:41:39+00:00\">October 5, 2026<\/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 24\" version=\"1.1\" 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c0-0.855,0.691-1.548,1.549-1.548c0.854,0,1.547,0.694,1.547,1.548C8.551,7.881,7.858,8.574,7.004,8.574z M18.339,18.338h-2.669 v-4.177c0-0.996-0.017-2.278-1.387-2.278c-1.389,0-1.601,1.086-1.601,2.206v4.249h-2.667v-8.59h2.559v1.174h0.037 c0.356-0.675,1.227-1.387,2.526-1.387c2.703,0,3.203,1.779,3.203,4.092V18.338z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">LinkedIn<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-instagram wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.instagram.com\/paultech_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=\"M12,4.622c2.403,0,2.688,0.009,3.637,0.052c0.877,0.04,1.354,0.187,1.671,0.31c0.42,0.163,0.72,0.358,1.035,0.673 c0.315,0.315,0.51,0.615,0.673,1.035c0.123,0.317,0.27,0.794,0.31,1.671c0.043,0.949,0.052,1.234,0.052,3.637 s-0.009,2.688-0.052,3.637c-0.04,0.877-0.187,1.354-0.31,1.671c-0.163,0.42-0.358,0.72-0.673,1.035 c-0.315,0.315-0.615,0.51-1.035,0.673c-0.317,0.123-0.794,0.27-1.671,0.31c-0.949,0.043-1.233,0.052-3.637,0.052 s-2.688-0.009-3.637-0.052c-0.877-0.04-1.354-0.187-1.671-0.31c-0.42-0.163-0.72-0.358-1.035-0.673 c-0.315-0.315-0.51-0.615-0.673-1.035c-0.123-0.317-0.27-0.794-0.31-1.671C4.631,14.688,4.622,14.403,4.622,12 s0.009-2.688,0.052-3.637c0.04-0.877,0.187-1.354,0.31-1.671c0.163-0.42,0.358-0.72,0.673-1.035 c0.315-0.315,0.615-0.51,1.035-0.673c0.317-0.123,0.794-0.27,1.671-0.31C9.312,4.631,9.597,4.622,12,4.622 M12,3 C9.556,3,9.249,3.01,8.289,3.054C7.331,3.098,6.677,3.25,6.105,3.472C5.513,3.702,5.011,4.01,4.511,4.511 c-0.5,0.5-0.808,1.002-1.038,1.594C3.25,6.677,3.098,7.331,3.054,8.289C3.01,9.249,3,9.556,3,12c0,2.444,0.01,2.751,0.054,3.711 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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=\"639\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-130-1-1024x639.jpg\" alt=\"\" class=\"wp-image-6769\" srcset=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-130-1-1024x639.jpg 1024w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-130-1-300x187.jpg 300w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-130-1-766x478.jpg 766w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-130-1-1536x958.jpg 1536w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-130-1-2048x1277.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Juuni keskel v\u00f5ttis meiega \u00fchendust Kaarli Agro. Paul-Techi s\u00fcsteemis oli kahel p\u00f5llul \u2013 Veskil ja Oonurmes \u2013 nitraatl\u00e4mmastiku ehk NO\u2083-N n\u00e4it m\u00f5ne p\u00e4evaga v\u00e4ga kiiresti t\u00f5usnud.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kliendi k\u00fcsimus oli t\u00e4iesti loogiline: v\u00e4etamine oli tehtud juba mai alguses ja keskel ning juunis ei olnud p\u00f5llul enam \u00fchtegi v\u00e4etamist. Kust see l\u00e4mmastik siis tuli? Ja kas nii k\u00f5rge n\u00e4it on \u00fcldse p\u00e4ris?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Otsustasime seda mitte ainult andmetest seletada, vaid ka laboris kontrollida.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Muutus toimus m\u00f5ne p\u00e4evaga<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Juuni alguses oli muld kuiv ja soe. Oonurmes t\u00f5usis mullatemperatuur 8 cm s\u00fcgavusel \u00fcle 20 \u00b0C.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seej\u00e4rel muutus ilm j\u00e4rsult. 3.\u201315. juunini sadas m\u00f5lemal p\u00f5llul kokku ligi 135 mm vihma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Samal ajal hakkas muutuma ka nitraatl\u00e4mmastiku sisaldus mullas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">8. juunil n\u00e4itas Paul-Techi s\u00fcsteem Veski p\u00f5llul 8 cm s\u00fcgavusel ligikaudu 16 kg\/ha NO\u2083-N. M\u00f5ni p\u00e4ev hiljem oli n\u00e4it juba 93 kg\/ha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oonurmes oli muutus veel suurem: umbes 46 kg\/ha pealt 180 kg\/ha-ni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Just selline j\u00e4rsk muutus pani kliendi k\u00fcsima, kas m\u00f5\u00f5tmisega v\u00f5ib midagi valesti olla.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kontrollisime n\u00e4ite s\u00f5ltumatus laboris<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">16. juunil v\u00f5tsime m\u00f5lemalt p\u00f5llult mullaproovid t\u00e4pselt Paul-Techi andurite k\u00f5rvalt. Proovid v\u00f5eti nii 8 kui ka 20 cm s\u00fcgavuselt ning saadeti METK laborisse NO\u2083-N sisalduse m\u00e4\u00e4ramiseks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Labor ja Paul-Tech esitavad tulemusi erinevates \u00fchikutes. Labor annab NO\u2083-N sisalduse milligrammides \u00fche kilogrammi mulla kohta, Paul-Tech aga hinnangulise koguse kilogrammides hektari kohta vastavas mullakihis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seet\u00f5ttu ei saa neid numbreid otse omavahel v\u00f5rrelda. Kui laboritulemused teisendada sama mullakihi kohta kg\/ha-ks, tekib aga v\u00e4ga selge v\u00f5rdlus:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Proovikoht<\/th><th>METK labor, NO\u2083-N teisendatud kg\/ha<\/th><th>Paul-Tech, kg\/ha<\/th><\/tr><\/thead><tbody><tr><td>Veski, 8 cm<\/td><td>77<\/td><td>66<\/td><\/tr><tr><td>Veski, 20 cm<\/td><td>82<\/td><td>67<\/td><\/tr><tr><td>Oonurme, 8 cm<\/td><td>50<\/td><td>31<\/td><\/tr><tr><td>Oonurme, 20 cm<\/td><td>124<\/td><td>112<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tulemused ei ole loomulikult identsed \u2013 tegemist on kahe erineva m\u00f5\u00f5tmismeetodiga ning muld ise ei ole kunagi t\u00e4iesti homogeenne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kuid k\u00f5ige olulisem on see, et labor ja Paul-Techi s\u00fcsteem n\u00e4itasid sama \u00fcldpilti ning NO\u2083-N kogused olid v\u00f5rreldavas suurusj\u00e4rgus. Kolmes m\u00f5\u00f5tepunktis neljast olid tulemused \u00fcksteisele \u00fcsna l\u00e4hedal. Ka proovide omavaheline j\u00e4rjestus oli sama.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seega saime kliendi esimesele k\u00fcsimusele vastata: jah, k\u00f5rge nitraadin\u00e4it oli p\u00e4ris.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"648\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-132-1024x648.jpg\" alt=\"\" class=\"wp-image-6759\" srcset=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-132-1024x648.jpg 1024w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-132-300x190.jpg 300w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-132-768x486.jpg 768w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-132-1536x972.jpg 1536w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/10\/Untitled-Frame-132-2048x1297.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Aga kust see l\u00e4mmastik tuli?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Juuni t\u00f5usu ei saanud seletada uue v\u00e4etamisega, sest seda ei olnud toimunud.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Andmed viitavad sellele, et oluline osa nitraatl\u00e4mmastikust vabanes mullast endast.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mulla orgaanilises aines on suur kogus l\u00e4mmastikku, mida taim ei saa kohe kasutada. Mulla mikroorganismid muudavad osa sellest aja jooksul taimedele k\u00e4ttesaadavasse vormi \u2013 seda protsessi nimetatakse mineralisatsiooniks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selle protsessi kiirus s\u00f5ltub tugevalt temperatuurist ja mulla niiskusest.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kui soe ja kuiv muld saab l\u00fchikese aja jooksul palju vett, v\u00f5ib mikroobne aktiivsus kiiresti suureneda ning mullas vabaneda l\u00fchikese ajaga m\u00e4rkimisv\u00e4\u00e4rne kogus taimedele k\u00e4ttesaadavat l\u00e4mmastikku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Just selline olukord tekkis juuni esimeses pooles: soe muld ja sellele j\u00e4rgnenud tugevad sajud langesid ajaliselt kokku v\u00e4ga kiire NO\u2083-N t\u00f5usuga.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vihm ei toonud p\u00f5llule uut l\u00e4mmastikku. See muutis n\u00e4htavaks ja taimedele k\u00e4ttesaadavaks osa sellest l\u00e4mmastikust, mis oli mullas juba olemas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dcks mullaproov v\u00f5i pidev j\u00e4lgimine?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratoorne mullaproov on v\u00e4ga v\u00e4\u00e4rtuslik kontrollpunkt. See annab hea \u00fclevaate sellest, milline oli mulla toitainete sisaldus proovi v\u00f5tmise hetkel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aga p\u00f5llul toimuvad muutused pidevalt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vihm, mulla kuivamine, temperatuur, v\u00e4etise lahustumine, taimede toitainete omastamine ja mulla enda protsessid v\u00f5ivad NO\u2083-N sisaldust muuta p\u00e4evadega.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kui oleksime v\u00f5tnud mullaproovi n\u00e4dal varem v\u00f5i n\u00e4dal hiljem, oleks tulemus v\u00f5inud olla hoopis teine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Siin tulebki v\u00e4lja reaalajas j\u00e4lgimise suurim v\u00e4\u00e4rtus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mullaproov annab meile \u00fche v\u00e4ga hea kontrollpunkti. Pidev m\u00f5\u00f5tmine n\u00e4itab aga, mis toimub nende kontrollpunktide vahel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Antud juhul n\u00e4gime t\u00e4pselt, millal nitraaditase t\u00f5usma hakkas, kui kiiresti see muutus ja kuidas see oli seotud mulla niiskuse ning sademetega. Seej\u00e4rel saime laboriprooviga kontrollida, kas anduri n\u00e4idatud suurusj\u00e4rk vastas tegelikule olukorrale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ja vastas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Miks see p\u00f5llumehele oluline on?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e4etamisotsuseid tehes ei ole oluline teada ainult seda, kui palju l\u00e4mmastikku p\u00f5llule anti. Sama oluline on teada, millal see l\u00e4mmastik muutus taimedele k\u00e4ttesaadavaks ning kui palju k\u00e4ttesaadavat l\u00e4mmastikku mullas tegelikult juba olemas on.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Just seda aitab pidev mullaseire n\u00e4ha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f5nikord kinnitab s\u00fcsteem seda, mida p\u00f5llumees eeldas. M\u00f5nikord \u2013 nagu selles loos \u2013 n\u00e4itab muld midagi, mida keegi ei osanud ette oodata.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ja just siis muutub reaalajas m\u00f5\u00f5tmine k\u00f5ige v\u00e4\u00e4rtuslikumaks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kaarli Agro p\u00f5ldudel t\u00f5usis juunis NO\u2083-N n\u00e4it m\u00f5ne p\u00e4evaga kiiresti. 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