{"id":5631,"date":"2026-02-13T12:20:43","date_gmt":"2026-02-13T12:20:43","guid":{"rendered":"https:\/\/paul-tech.com\/?p=5631"},"modified":"2026-03-12T15:45:13","modified_gmt":"2026-03-12T15:45:13","slug":"paul-tech-dirvozemio-stotis-tikslus-ir-patikimas-laboratorijos-pagalbininkas-lauke","status":"publish","type":"post","link":"https:\/\/paul-tech.com\/lt\/paul-tech-dirvozemio-stotis-tikslus-ir-patikimas-laboratorijos-pagalbininkas-lauke\/","title":{"rendered":"Paul-Tech dirvo\u017eemio stotis \u2013 tikslus ir patikimas laboratorijos pagalbininkas lauke"},"content":{"rendered":"<div class=\"wp-block-post-date\"><time datetime=\"2026-02-13T12:20:43+00:00\">February 13, 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\" 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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-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/02\/B59FA5F1-4588-4822-A654-DD522388CEE0_1_105_c.jpg\" alt=\"\" class=\"wp-image-5646\" srcset=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/02\/B59FA5F1-4588-4822-A654-DD522388CEE0_1_105_c.jpg 768w, https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/02\/B59FA5F1-4588-4822-A654-DD522388CEE0_1_105_c-225x300.jpg 225w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>\u017dem\u0117s \u016bkyje veiksmingi matavimo prietaisai neatsiranda atsitiktinai. Jie sukuriami tada, kai in\u017einerin\u0117 logika, fizika ir agronominis supratimas dera tarpusavyje \u2013 ir kai \u0161i\u0105 logik\u0105 patvirtina nepriklausomi tyrimai.<\/p>\n\n\n\n<p>Rankinis prietaisas <strong>Percometer ir stacionari Paul-Tech dirvo\u017eemio stotis<\/strong> buvo sukurti to paties in\u017einieriaus ir mokslininko <strong>Tiit Plakk.<\/strong> Abu \u012frenginiai remiasi tuo pa\u010diu elektrofizikiniu ir agronominiu matavimo principu, kuris buvo i\u0161vystytas per de\u0161imtme\u010dius trukusius mokslinius tyrimus ir pl\u0117tr\u0105.<\/p>\n\n\n\n<p>Svarbu pabr\u0117\u017eti, kad <strong>stacionari Paul-Tech dirvo\u017eemio stotis buvo sukurta dar prie\u0161 su Percometer susijusius tyrimus<\/strong>, atliktus Estijos gyvyb\u0117s moksl\u0173 universitete 2021 m. Kitaip tariant, matavimo principas nebuvo sukurtas \u0161io tyrimo metu \u2013 tyrimas suteik\u0117 jam nepriklausom\u0105 ir kiekybin\u012f patvirtinim\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Tyrimas patvirtino matavimo principo tikslum\u0105 ir agronomin\u0119 reik\u0161m\u0119<\/strong><\/h2>\n\n\n\n<p>Estijos gyvyb\u0117s moksl\u0173 universitete, vadovaujant profesoriams Alar Astover ir Endla Reintam, Merko K\u00e4rp pareng\u0117 magistro darb\u0105:<br>\u201eEffect of measurement method and fertilisation to soil moisture and electrical conductivity\u201c (2022), kuriame buvo lyginami skirtingi dirvo\u017eemio elektrinio laidumo ir dr\u0117gm\u0117s matavimo metodai.<\/p>\n\n\n\n<p>Tyrime buvo analizuojami trys po\u017ei\u016briai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>laboratorin\u0117s dirvo\u017eemio analiz\u0117s (\u012fskaitant dirvo\u017eemio tirpalo elektrinius parametrus)<\/li>\n\n\n\n<li>stacionar\u016bs Y dirvo\u017eemio jutikliai<\/li>\n\n\n\n<li>Percometer atlikti matavimai<\/li>\n<\/ul>\n\n\n\n<p>Tikslas buvo \u012fvertinti, kurie metodai geriausiai atspindi tr\u0119\u0161imo poveik\u012f ir yra tinkami praktiniams tr\u0105\u0161\u0173 naudojimo sprendimams priimti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Tr\u0119\u0161imo poveikis ai\u0161kiausiai atsispind\u0117jo Percometer matavimuose<\/strong><\/h3>\n\n\n\n<p>Rezultatai buvo vienareik\u0161miai.<br><strong>Dirvo\u017eemio elektrinis laidumas, i\u0161matuotas Percometer, tur\u0117jo stipriausi\u0105 ry\u0161\u012f su mineralinio azoto tr\u0119\u0161imo normomis:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vertinant visus bandymo variantus kartu, koreliacija buvo <strong>r \u2248 0,80<\/strong><\/li>\n\n\n\n<li>plotuose, tr\u0119\u0161tuose tik mineralin\u0117mis tr\u0105\u0161omis, ji siek\u0117 net <strong>r = 0,97<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Palyginimui:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>laboratorini\u0173 EC matavim\u0173 atveju ry\u0161ys buvo ma\u017edaug <strong>r \u2248 0,6<\/strong><\/li>\n\n\n\n<li>stacionari\u0173 Y dirvo\u017eemio jutikli\u0173 rodmen\u0173 atveju \u2013 dar silpnesnis<\/li>\n<\/ul>\n\n\n\n<p>Tai patvirtino, kad Percometer matavimo principas jautriausiai reaguoja \u012f tr\u0119\u0161im\u0105, atspind\u0117damas <strong>maistini\u0173 drusk\u0173 kiek\u012f, patenkant\u012f \u012f dirvo\u017eemio tirpal\u0105<\/strong> \u2013 b\u016btent t\u0105 tr\u0105\u0161\u0173 dal\u012f, kuri augalams realiai yra prieinama.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Stipriausia koreliacija su derliumi tinkamu laiku<\/strong><\/h3>\n\n\n\n<p>yrime atskirai buvo analizuojamas ir matavim\u0173 laikas.<br><strong>Gegu\u017e\u0117s pabaiga<\/strong> pasirod\u0117 ypa\u010d svarbi, nes pavasarini\u0173 kvie\u010di\u0173 atveju tuo metu dar galima priimti sprendimus d\u0117l papildomo tr\u0119\u0161imo vegetacijos metu.<\/p>\n\n\n\n<p>B\u016btent \u0161iuo laikotarpiu paai\u0161k\u0117jo, kad:<br><strong>Dirvo\u017eemio elektrinis laidumas, i\u0161matuotas Percometer, tur\u0117jo stipriausi\u0105 ry\u0161\u012f su v\u0117lesniu derliumi<\/strong>, pranokdamas tiek laboratorines analizes, tiek stacionarius Y jutiklius.<\/p>\n\n\n\n<p>Tai ai\u0161kiai parod\u0117, kad matavimo principas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ne tik apib\u016bdina \u201edirvo\u017eem\u012f\u201c<\/li>\n\n\n\n<li>bet yra tiesiogiai susij\u0119s <strong>su augal\u0173 mityba ir derliaus formavimusi<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Profesorius Alar Astover rezultatus apibendrino taip:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u201eElektrinio laidumo matavimas dirvo\u017eemio jutikliais ir rezultat\u0173 susiejimas su praktin\u0117mis tr\u0119\u0161imo rekomendacijomis yra rimtas i\u0161\u0161\u016bkis visame pasaulyje. Ta\u010diau remiantis m\u016bs\u0173 ilgalaikiais bandymais, Paul-Tech jutikli\u0173 jautrumas tokiems matavimams yra labai perspektyvus ir suteikia papildomos informacijos planuojant tr\u0119\u0161im\u0105.\u201c<\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Stacionari Paul-Tech dirvo\u017eemio stotis \u2013 ta pati logika nuolatiniuose ir erdviniuose matavimuose<\/strong><\/h2>\n\n\n\n<p>Jei Percometer leid\u017eia atlikti vien\u0105 tiksl\u0173 momentin\u012f ta\u0161kin\u012f matavim\u0105, tai <strong>stacionari Paul-Tech dirvo\u017eemio stotis<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>naudoja t\u0105 pat\u012f moksli\u0161kai patvirtint\u0105 matavimo princip\u0105<\/li>\n\n\n\n<li>pritaiko j\u012f <strong>nuolatinei, automatinei ir nenutr\u016bkstamai steb\u0117senai laike<\/strong><\/li>\n\n\n\n<li>leid\u017eia erdvi\u0161kai steb\u0117ti iki trij\u0173 matavimo ta\u0161k\u0173 \u2013 \u012fvertinti vandens ir maistini\u0173 med\u017eiag\u0173 jud\u0117jim\u0105 bei poky\u010dius dirvo\u017eemyje skirtinguose gyliuose ar atstumuose<\/li>\n<\/ul>\n\n\n\n<p>Jei Percometer\u201c klausia:<br><strong>\u201eKokia dabar yra dirvo\u017eemio b\u016bkl\u0117?\u201c<\/strong><\/p>\n\n\n\n<p>tuomet dirvo\u017eemio stotis klausia:<br><strong>\u201eKaip \u0161i b\u016bkl\u0117 formuojasi, i\u0161lieka ir kinta \u2013 laike ir erdv\u0117je?\u201c<\/strong><\/p>\n\n\n\n<p>Laiko ir erdv\u0117s dimensijos buvo nat\u016bralus rankini\u0173 matavim\u0173 apribojimas \u2013 <strong>ne matavimo kokyb\u0117.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Santrauka: in\u017einerinis nuoseklumas + mokslinis patvirtinimas<\/strong><\/h2>\n\n\n\n<p>Paul-Tech dirvo\u017eemio stotis yra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>to paties in\u017einieriaus sukurta sistema<\/li>\n\n\n\n<li>logi\u0161kas Percometer matavimo principo t\u0119sinys<\/li>\n\n\n\n<li>kurios <strong>tikslum\u0105 ir agronomin\u0119 reik\u0161m\u0119 patvirtino nepriklausomi tyrimai<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Mokslas patvirtino, kad tai veikia.<br>Ir b\u016btent taip kuriama i\u0161 ties\u0173 veiksminga precizin\u0117 \u017eemdirbyst\u0117.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u017dem\u0117s \u016bkyje veiksmingi matavimo prietaisai neatsiranda atsitiktinai. Jie sukuriami tada, kai in\u017einerin\u0117 logika, fizika ir agronominis supratimas dera tarpusavyje \u2013&#8230;<\/p>\n","protected":false},"author":3,"featured_media":5655,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-5631","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>Paul-Tech dirvo\u017eemio stotis \u2013 tikslus ir patikimas laboratorijos pagalbininkas lauke - 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\/paul-tech-dirvozemio-stotis-tikslus-ir-patikimas-laboratorijos-pagalbininkas-lauke\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Paul-Tech dirvo\u017eemio stotis \u2013 tikslus ir patikimas laboratorijos pagalbininkas lauke - Paul-Tech\" \/>\n<meta property=\"og:description\" content=\"\u017dem\u0117s \u016bkyje veiksmingi matavimo prietaisai neatsiranda atsitiktinai. Jie sukuriami tada, kai in\u017einerin\u0117 logika, fizika ir agronominis supratimas dera tarpusavyje \u2013...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/paul-tech.com\/lt\/paul-tech-dirvozemio-stotis-tikslus-ir-patikimas-laboratorijos-pagalbininkas-lauke\/\" \/>\n<meta property=\"og:site_name\" content=\"Paul-Tech\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-13T12:20:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-12T15:45:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/paul-tech.com\/wp-content\/uploads\/2026\/02\/B59FA5F1-4588-4822-A654-DD522388CEE0_1_105_c-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"768\" \/>\n\t<meta property=\"og:image:height\" content=\"456\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Paul-Tech\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Paul-Tech\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/paul-tech.com\/lt\/paul-tech-dirvozemio-stotis-tikslus-ir-patikimas-laboratorijos-pagalbininkas-lauke\/\",\"url\":\"https:\/\/paul-tech.com\/lt\/paul-tech-dirvozemio-stotis-tikslus-ir-patikimas-laboratorijos-pagalbininkas-lauke\/\",\"name\":\"Paul-Tech dirvo\u017eemio stotis \u2013 tikslus ir patikimas laboratorijos pagalbininkas lauke - 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