{"id":6070,"date":"2026-03-06T17:22:04","date_gmt":"2026-03-06T17:22:04","guid":{"rendered":"https:\/\/paul-tech.com\/?p=6070"},"modified":"2026-03-17T07:28:42","modified_gmt":"2026-03-17T07:28:42","slug":"azotas-dirvozemyje-kada-jis-pasiekia-augalus-o-kada-tiesiog-isnyksta","status":"publish","type":"post","link":"https:\/\/paul-tech.com\/lt\/azotas-dirvozemyje-kada-jis-pasiekia-augalus-o-kada-tiesiog-isnyksta\/","title":{"rendered":"Azotas dirvo\u017eemyje: kada jis pasiekia augalus, o kada tiesiog i\u0161nyksta?"},"content":{"rendered":"<div class=\"wp-block-post-date\"><time datetime=\"2026-03-06T17:22:04+00:00\">March 6, 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 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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\/><\/figure>\n\n\n\n<p><strong>Posto autorius: Farmer T\u00f5nis.<\/strong> Originali \u012fra\u0161as paskelbtas <a href=\"https:\/\/farmertonis.ee\/lammastik-mullas-millal-see-taimeni-jouab-ja-millal-lihtsalt-kaob\/\">\u010dia<\/a><\/p>\n\n\n\n<p><em>\u0160is \u012fra\u0161as parengtas bendradarbiaujant su \u201ePaul-Tech\u201c.<\/em><\/p>\n\n\n\n<p><strong>B\u016bkime atviri<\/strong> \u2013 did\u017ei\u0105j\u0105 daugum\u0105 \u016bkinink\u0173 domina derlius. Geresniais laikais daugiausia r\u016bp\u0117jo derlius, o ne tiek s\u0105naudos; \u0161iandien r\u016bpi derlius ir tai, kaip j\u012f pasiekti kuo ma\u017eesn\u0117mis s\u0105naudomis.<\/p>\n\n\n\n<p>Derliaus potencial\u0105 galima reik\u0161mingai paveikti <strong>laiku naudojant maisto med\u017eiagas<\/strong>, ypa\u010d azot\u0105, nes jis didina lap\u0173 plot\u0105 ir fotosintez\u0119. Iki \u0161iol, tr\u0119\u0161damas azotu, r\u0117miausi nuojauta, standartin\u0117mis tr\u0119\u0161imo rekomendacij\u0173 lentel\u0117mis ir veisl\u0117s derliaus potencialu.<\/p>\n\n\n\n<p>Ta\u010diau liko klausimas: <strong>per kiek laiko azoto tr\u0105\u0161os tampa prieinamos augalams<\/strong>, kaip augalai jas panaudoja ir ar yra i\u0161plovimo rizika?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">24 valand\u0173 mitas ir tikrasis laikotarpis<\/h2>\n\n\n\n<p>Po pirm\u0173j\u0173 pavasarini\u0173 \u017eiemini\u0173 kvie\u010di\u0173 tr\u0119\u0161im\u0173 azotu supratau, kad kalbos apie tai, jog \u201epo 24 valand\u0173 jau matyti, kaip pas\u0117lis pa\u017ealiuoja\u201c, yra ma\u017edaug tokios pat \u012ftikinamos kaip ekstrasens\u0173 i\u0161\u0161\u016bkis.<\/p>\n\n\n\n<p>2024\/25 sezonas pasi\u017eym\u0117jo labai geromis augimo s\u0105lygomis (bent jau prad\u017eioje): ne per \u0161ilta ir daug krituli\u0173. Logi\u0161kai m\u0105stant, pas\u0117lis tur\u0117jo pa\u017ealiuoti t\u0105 pa\u010di\u0105 akimirk\u0105, kai i\u0161bars\u010diau paskutin\u012f bunker\u012f azoto.<\/p>\n\n\n\n<p>Tiesa, augalai i\u0161 ties\u0173 gana greitai pa\u017ealiavo, ta\u010diau tai grei\u010diausiai buvo <strong>temperat\u016bros, saul\u0117s, pas\u0117lio \u201epabudimo\u201c ir paties \u016bkininko tik\u0117jimo derinys.<\/strong><\/p>\n\n\n\n<p>I\u0161 tikr\u0173j\u0173 mano i\u0161bertas azotas augalams tapo prieinamas tik po <strong>5\u20136 dien\u0173<\/strong> nuo i\u0161b\u0117rimo. Net ir idealiomis s\u0105lygomis tr\u0105\u0161oms reikia laiko, kad jos tapt\u0173 \u201eprieinamos augalams\u201c.<\/p>\n\n\n\n<p>Man svarbiausia buvo tai, kad gal\u0117jau <strong>realiai matyti<\/strong>, kaip maisto med\u017eiag\u0173 grafikas kyla auk\u0161tyn \u2013 kitaip tariant, kad tie \u201epinigai\u201c, kuriuos a\u0161 i\u0161barstau, i\u0161 tikr\u0173j\u0173 pasiekia dirvo\u017eem\u012f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u0105 parod\u0117 grafikas: kilimas, kritimas ir sunaudojimas<\/h2>\n\n\n\n<p>Grafikas kilo auk\u0161tyn, bet tuoj pat \u0117m\u0117 ir leistis \u2013 pas\u0117lis prad\u0117jo naudoti azot\u0105. B\u016btent tuo metu tapo matyti, kad pas\u0117lis tank\u0117ja ir \u017ealiuoja.<\/p>\n\n\n\n<p>Kadangi kvie\u010diai augo labai spar\u010diai, azotas i\u0161 dirvo\u017eemio dingo greitai. Pavyzd\u017eiui, Murum\u00e4e lauke per dvi savaites buvo \u201esuvalgyta\u201c <strong>74 kg N<\/strong>. Kiti 75 kg grafiko jau nebepak\u0117l\u0117, bet ir nesuma\u017eino.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-MDOIv6Rn970-1-1024x577-1.png\" alt=\"\" class=\"wp-image-6072\" srcset=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-MDOIv6Rn970-1-1024x577-1.png 1024w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-MDOIv6Rn970-1-1024x577-1-300x169.png 300w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-MDOIv6Rn970-1-1024x577-1-768x433.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>N73 tapo prieinamas tik po lietaus ir pakilus dirvo\u017eemio temperat\u016brai. Papildomas baltyminis tr\u0119\u0161imas, 15N, grafike pasirod\u0117 tik prie\u0161 pat derliaus nu\u0117mim\u0105, o tai rei\u0161kia, kad jis liko nepanaudotas.<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>Kod\u0117l?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pirmojo tr\u0119\u0161imo metu augalai buvo ma\u017eesni ir dar \u201emieguisti\u201c \u2013 prad\u017eioje sunaudojimas buvo l\u0117tas.<\/li>\n\n\n\n<li>Antrojo tr\u0119\u0161imo metu augimas jau vyko visu paj\u0117gumu \u2013 viskas, kas buvo duota, i\u0161 esm\u0117s buvo sunaudota i\u0161 karto.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ar pavasar\u012f panaudotas azotas i\u0161siplauna?<\/h2>\n\n\n\n<p>Daug vandens + nema\u017eas kiekis azoto = i\u0161plovimas? Ypa\u010d skaudu b\u016bt\u0173, jei tr\u0105\u0161os b\u016bt\u0173 nuplautos \u012f gilesnius dirvo\u017eemio sluoksnius (i\u0161 kuri\u0173 augalai j\u0173 jau nebegali pasiekti), o i\u0161 ten \u2013 toliau \u012f gruntinius vandenis.<\/p>\n\n\n\n<p><strong>Geroji \u017einia ta<\/strong>, kad pavasarini\u0173 tr\u0119\u0161im\u0173 metu, bent jau Murum\u00e4e lauke, i\u0161plovimo nepasteb\u0117jau.<\/p>\n\n\n\n<p>Veski lauke buvo matyti, kad <strong>8 cm ir 20 cm<\/strong> gylyje esantys jutikliai \u012f tr\u0119\u0161im\u0105 reagavo pana\u0161iai \u2013 grafikai jud\u0117jo tuo pa\u010diu ritmu. \u010cia galiu tik sp\u0117lioti, kad dirvo\u017eemyje buvo tiek daug vandens, jog ir tr\u0105\u0161os grei\u010diau jud\u0117jo gilyn ir neu\u017esilaik\u0117 \u0161akn\u0173 zonoje.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-5tYx1gobvro-1-768x432-1.png\" alt=\"\" class=\"wp-image-6076\" srcset=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-5tYx1gobvro-1-768x432-1.png 768w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-5tYx1gobvro-1-768x432-1-300x169.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\"><em>Net ir nuolat perteklin\u0117s dr\u0117gm\u0117s veikiamame lauke reik\u0161mingo i\u0161plovimo ne\u012fvyko.<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ai\u0161kus i\u0161plovimo pavyzdys: Oonurme (2025\/26 \u017eieminiai kvie\u010diai)<\/h2>\n\n\n\n<p>Ta\u010diau maisto med\u017eiag\u0173 i\u0161plovim\u0105 \u012f gilesnius dirvo\u017eemio sluoksnius labai ai\u0161kiai pama\u010diau Oonurme lauke (2025\/26 sezone).<\/p>\n\n\n\n<p>Bandymo tikslais pavir\u0161iuje paskleid\u017eiau NPK tr\u0105\u0161as <strong>(16 kg N)<\/strong>, kai augalai buvo trij\u0173 lapeli\u0173 tarpsnyje. Maisto med\u017eiag\u0173 grafikas \u0117m\u0117 ry\u0161kiai kilti ir 8 cm gylyje pasiek\u0117 <strong>958 <\/strong>reik\u0161m\u0119.<\/p>\n\n\n\n<p>Tada <strong>per vien\u0105 dien\u0105 i\u0161krito daugiau kaip 26 mm lietaus<\/strong>, ir grafikas nukrito <strong>400 punkt\u0173.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-heXx2VtrpyU-1-768x432-2.png\" alt=\"\" class=\"wp-image-6084\" srcset=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-heXx2VtrpyU-1-768x432-2.png 768w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/03\/s-blob-v1-IMAGE-heXx2VtrpyU-1-768x432-2-300x169.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\"><em>Bandymo tikslais spalio 4 d. pavir\u0161iuje paskleistas N16 tapo prieinamas augalams ir dingo po spalio 26 d. smarkaus lietaus.<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>Tik\u0117tina prie\u017eastis:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Didelis krituli\u0173 kiekis dirvo\u017eemyje, kuris jau buvo arti perteklin\u0117s dr\u0117gm\u0117s ribos.<\/li>\n\n\n\n<li>Dirvo\u017eemis nepaj\u0117g\u0117 sulaikyti maisto med\u017eiag\u0173.<\/li>\n\n\n\n<li>\u017dema temperat\u016bra ir l\u0117tas augimas.<\/li>\n\n\n\n<li>Nebuvo pakankamai pas\u0117lio biomas\u0117s, kad azotas b\u016bt\u0173 greitai sunaudotas.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kur tik\u0117jausi sutaupyti?<\/h2>\n\n\n\n<p>\u017dem\u0117s \u016bkyje dabar sud\u0117tingi laikai \u2013 gr\u016bd\u0173 kainos per ma\u017eos, o s\u0105naudos per didel\u0117s. Augalininkyst\u0117je <strong>tr\u0105\u0161os sudaro li\u016bto dal\u012f<\/strong> tiesiogini\u0173 i\u0161laid\u0173 (tr\u0105\u0161os, augal\u0173 apsauga, s\u0117kla), tod\u0117l bet kokie sutaupymai \u0161ioje srityje yra ekonomi\u0161kai labai svarb\u016bs.<\/p>\n\n\n\n<p>Tik\u0117jausi naudoti dirvo\u017eemio jutiklius azoto tr\u0105\u0161\u0173 s\u0105naudoms ma\u017einti, ta\u010diau 2024\/25 sezone tai nepasisek\u0117 taip, kaip tik\u0117jausi. Gal\u0117jau matyti, kaip maisto med\u017eiagos patenka \u012f dirvo\u017eem\u012f ir kaip jos sunaudojamos, ta\u010diau \u201enesvarbu, kiek j\u0173 i\u0161bars\u010diau, viskas buvo suvalgyta\u201c.<\/p>\n\n\n\n<p>Nauda atsirado tik <strong>su kitu pas\u0117liu<\/strong>. Anks\u010diau buvo galima apytiksliai apskai\u010diuoti, kiek azoto dirvo\u017eemyje gali likti po derliaus nu\u0117mimo, ta\u010diau, kaip rodo Oonurme pavyzdys, maisto med\u017eiagos taip pat gali greitai i\u0161nykti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Baltyminis tr\u0119\u0161imas ir \u201epapildomas prava\u017eiavimas\u201c<\/h2>\n\n\n\n<p>2024\/25 sezone v\u0117liavinio lapo tarpsniu papildomai panaudojau apie <strong>20 kg N<\/strong>, nes visi \u017eenklai rod\u0117 stipr\u0173 derli\u0173, o maistini\u0173 kvie\u010di\u0173 kainos priedas, palyginti su pa\u0161ariniais kvie\u010diais, atrod\u0117 viliojantis.<\/p>\n\n\n\n<p>Maisto med\u017eiag\u0173 grafikas nei kilo, nei leidosi <strong>40 dien\u0173<\/strong>. Pagal visas prielaidas atrod\u0117, kad panaudotas azotas buvo sunaudotas. Ta\u010diau prie\u0161 gr\u016bdams subr\u0119stant grafikas v\u0117l \u0117m\u0117 kilti, ir supratau, kad paskutinis tr\u0119\u0161imas azotu gal\u0117jo b\u016bti <strong>perteklinis<\/strong>.<\/p>\n\n\n\n<p><strong>Kas gal\u0117jo \u012fvykti:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suma\u017e\u0117j\u0119s pas\u0117lio azoto poreikis.<\/li>\n\n\n\n<li>V\u0117lyva nitrifikacija.<\/li>\n\n\n\n<li>Organinio azoto mineralizacija.<\/li>\n<\/ul>\n\n\n\n<p>Baltyminiam tr\u0119\u0161imui naudojau <strong>\u201eYaraBela Axan 27+4S\u201c<\/strong>, kuriame amonio ir nitratinis azotas yra 50\/50 santykiu. Mano i\u0161vada tokia: dalis l\u0117\u010diau veikian\u010dio amonio azoto virto nitratu tuo metu, kai pas\u0117lis jo jau nebepasisavino pakankamai. Be to, tam tikr\u0105 vaidmen\u012f gal\u0117jo suvaidinti ir \u0161akn\u0173 irimas, kuris grafikui suteik\u0117 nedidel\u012f papildom\u0105 post\u016bm\u012f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Praktinis sprendimas: azoto \u0161iaud\u0173 skaidymui neprireik\u0117<\/h2>\n\n\n\n<p>Laimei, po derliaus nu\u0117mimo tas azotas niekur nedingo, tod\u0117l galvodamas apie kit\u0105 pas\u0117l\u012f gal\u0117jau nuspr\u0119sti, kad man nereikia papildomai duoti azoto \u012f s\u0117kl\u0173 guol\u012f. \u017di\u016brint \u012f grafik\u0105, maisto med\u017eiag\u0173 lygis \u012f prie\u0161tr\u0119\u0161in\u012f lyg\u012f sugr\u012f\u017eo <strong>2025 m. gruod\u017eio 24 d.<\/strong> \u2013 taigi, mano vertinimu, sprendimas buvo teisingas.<\/p>\n\n\n\n<p>\u0160ioje vietoje noriu ai\u0161kiai pasakyti: <strong>visi\u0161kai netr\u0119\u0161ti<\/strong> (ypa\u010d kalbant apie pagrindines maisto med\u017eiagas) tikrai n\u0117ra tvaru ilguoju laikotarpiu, o sezonai labai skiriasi. Oonurme lauko atveju pavir\u0161iuje panaudotas azotas po smarkaus lietaus dingo, ir jis jau nebegr\u012f\u0161.<\/p>\n\n\n\n<p>Dirvo\u017eemio tyrimai rodo, kad fosforo ir kalio lygiai yra geri. Kad i\u0161gyven\u010diau sunkius laikus, a\u0161 \u201eskolinuosi i\u0161 dirvo\u017eemio\u201c, o geresniais laikais gr\u0105\u017einsiu. Kadangi Murum\u00e4e lauke po \u017eiemini\u0173 kvie\u010di\u0173 buvo pas\u0117tas kvietrugis, pagal nyk\u0161\u010dio taisykl\u0119 reik\u0117t\u0173 duoti 10 kg N kiekvienai derliaus \/ \u0161iaud\u0173 tonai; mano atveju tai b\u016bt\u0173 50 kg N. Nepaisant to, nusprend\u017eiau jo atsisakyti gana ramia \u0161irdimi, nes azotas, reikalingas \u0161iaud\u0173 skaidymui ir kvietrugio \u012fsitvirtinimui, dirvo\u017eemyje jau buvo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">DUK: azotas dirvo\u017eemyje ir i\u0161plovimo rizika<\/h2>\n\n\n\n<p><strong>Per kiek laiko granuliuotose tr\u0105\u0161ose esantis azotas tampa prieinamas pas\u0117liui?<\/strong><br>Praktikoje matomas pokytis pagal jutiklio rodmenis gali pasirodyti tik po keli\u0173 dien\u0173. Mano patirtimi, tai buvo ma\u017edaug po 5\u20136 dien\u0173 nuo i\u0161b\u0117rimo, net ir geromis s\u0105lygomis.<\/p>\n\n\n\n<p><strong>Kod\u0117l pas\u0117lis \u201eper 24 valandas\u201c nepa\u017ealiuoja?<\/strong><br>Matomas pa\u017ealiavimas gali b\u016bti susij\u0119s su temperat\u016bra, saule ir aktyvaus augimo prad\u017eia, o neb\u016btinai su greitu tr\u0105\u0161\u0173 pasisavinimu.<\/p>\n\n\n\n<p><strong>Kada i\u0161plovimo rizika yra did\u017eiausia?<\/strong><br>Jei dirvo\u017eemis jau yra pernelyg dr\u0117gnas, vienu metu i\u0161krenta didelis kiekis krituli\u0173, o pas\u0117lio augimas yra l\u0117tas (\u0161alta, ma\u017eai biomas\u0117s), tuomet did\u0117ja rizika, kad azotas nusileis \u017eemiau \u0161akn\u0173 zonos. Kitaip tariant: labai tik\u0117tina ruden\u012f.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Posto autorius: Farmer T\u00f5nis. Originali \u012fra\u0161as paskelbtas \u010dia \u0160is \u012fra\u0161as parengtas bendradarbiaujant su \u201ePaul-Tech\u201c. B\u016bkime atviri \u2013 did\u017ei\u0105j\u0105 daugum\u0105 \u016bkinink\u0173&#8230;<\/p>\n","protected":false},"author":3,"featured_media":6088,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-6070","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-lt"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Azotas dirvo\u017eemyje: kada jis pasiekia augalus, o kada tiesiog i\u0161nyksta? - Paul-Tech<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/paul-tech.com\/lt\/azotas-dirvozemyje-kada-jis-pasiekia-augalus-o-kada-tiesiog-isnyksta\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Azotas dirvo\u017eemyje: kada jis pasiekia augalus, o kada tiesiog i\u0161nyksta? - Paul-Tech\" \/>\n<meta property=\"og:description\" content=\"Posto autorius: Farmer T\u00f5nis. 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