{"id":9261,"date":"2023-12-07T20:25:49","date_gmt":"2023-12-07T19:25:49","guid":{"rendered":"https:\/\/geopard.tech\/?p=9261"},"modified":"2023-12-07T20:25:49","modified_gmt":"2023-12-07T19:25:49","slug":"inicijativa-za-dusik-u-iowi-za-povecanje-preciznosti-u-primjeni-gnojiva","status":"publish","type":"post","link":"https:\/\/geopard.tech\/hr\/blog\/iowa-nitrogen-initiative-enhancing-precision-in-fertilizer-application-rates\/","title":{"rendered":"Inicijativa za du\u0161ik u Iowi: Pove\u0107anje preciznosti u stopama primjene gnojiva"},"content":{"rendered":"<p>U Iowi, Michael Castellano govori o tome kako uzgoj kukuruza uklju\u010duje mnogo izbora. Ka\u017ee da postoje milijarde na\u010dina, a neki ljudi misle da izmi\u0161lja. Ali obja\u0161njava da kada se zbroje sve razli\u010dite vrste kukuruza, na\u010dini uzgoja i vremenski uvjeti, to je zaista ogroman broj.<\/p>\n<p>Ova nesigurnost je velika stvar jer kori\u0161tenje premalo ili previ\u0161e du\u0161i\u010dnog gnojiva mo\u017ee uzrokovati probleme. Nedovoljno mo\u017ee smanjiti koli\u010dinu kukuruza koju uzgajate, dok previ\u0161e mo\u017ee ko\u0161tati previ\u0161e novca i \u0161tetiti okoli\u0161u.<\/p>\n<p>Inicijativa za du\u0161ik u Iowi, koju vode Castellano i Sotirios Archontoulis, poku\u0161ava odrediti najbolju koli\u010dinu du\u0161ika za svako kukuruzno polje prikupljanjem podataka s farmi diljem Iowe.<\/p>\n<p>\u017dele olak\u0161ati poljoprivrednicima da znaju koliko gnojiva trebaju koristiti. Projekt financira Ministarstvo poljoprivrede i upravljanja zemlji\u0161tem Iowe, a ministar poljoprivrede Iowe, Mike Naig, smatra da je to izvrsna suradnja izme\u0111u poljoprivrednika i stru\u010dnjaka.<\/p>\n<p>Vjeruje da \u0107e to poljoprivrednicima dati informacije koje su im potrebne za bolji uzgoj usjeva, ve\u0107u zaradu i brigu o okoli\u0161u.<\/p>\n<h2>Premo\u0161\u0107ivanje jaza<\/h2>\n<p>Inicijativa za du\u0161ik u Iowi ove godine provodi 270 pokusa na farmama u 72 razli\u010dita privatna poljoprivredna poduze\u0107a, \u0161to je \u010detverostruko pove\u0107anje u odnosu na prvu godinu projekta 2022. Krajnji je cilj dosegnuti 500 pokusa godi\u0161nje.<\/p>\n<p>Da bi se poljoprivrednici pridru\u017eili, potreban im je pristup dvjema sve uobi\u010dajenijim tehnologijama precizne poljoprivrede: primjeni gnojiva s promjenjivom stopom i pra\u0107enju prinosa putem GPS-a. Koriste\u0107i povijesne podatke o prinosu kako bi identificirao mjesta za koja se o\u010dekuje druga\u010dije pona\u0161anje, projektni partner Premier Crop Systems osmi\u0161ljava pokus na malom podru\u010dju polja, obi\u010dno oko pet hektara.<\/p>\n<p>Razli\u010dite doze du\u0161ika, od nule do 200 funti po hektaru, dodjeljuju se dijelovima unutar pokusnog podru\u010dja, a poljoprivrednici dijele podatke o prinosu s istra\u017eiva\u010dkim timom nakon \u017eetve. Sudionici dobivaju naknadu za gubitak prinosa na zemlji\u0161tu koje ne prima du\u0161ik.<\/p>\n<p>Podaci pokusa oboga\u0107eni su simulacijama iz biofizi\u010dkih procesa kako bi se odredile optimalne stope na temelju vrsta tla i sjemena, praksi upravljanja i vremenskih uvjeta. Ova baza podataka \u0107e pokretati alate za dono\u0161enje odluka u projektu za javnost, a o\u010dekuje se da \u0107e biti dostupni za vegetacijsku sezonu 2025.<\/p>\n<p>Ovi \u0107e alati biti posebno korisni poljoprivrednicima koji koriste tehnologiju precizne poljoprivrede za prikupljanje podataka. Poljoprivrednicima s opremom za primjenu gnojiva varijabilnom stopom \u010desto nedostaju smjernice utemeljene na dokazima o tome kako bi se te stope trebale mijenjati, prema Castellanu.<\/p>\n<p>\u201cRadimo na premo\u0161\u0107ivanju jaza izme\u0111u tehnolo\u0161kog napretka u preciznoj poljoprivredi koji su postigli in\u017eenjeri i znanstvenog razumijevanja agronoma\u201d, rekao je.<\/p>\n<h2>Tri korisna alata<\/h2>\n<p>Istra\u017eiva\u010dki tim radi na tri alata koji \u0107e pomo\u0107i poljoprivrednicima da donose bolje odluke:<\/p>\n<p><strong>Pobolj\u0161ane preporuke za mjerenje uspje\u0161nosti:<\/strong><\/p>\n<ul>\n<li>Daju bolje prijedloge za stope du\u0161ika, uzimaju\u0107i u obzir razlike u stvarima poput genetike, tla, na\u010dina upravljanja zemlji\u0161tem i vremenskih uvjeta.<\/li>\n<li>Poljoprivrednici tako\u0111er mogu provjeriti podatke iz pokusa kako bi vidjeli \u0161to se stvarno doga\u0111a s razli\u010ditim stopama i praksama.<\/li>\n<\/ul>\n<p><strong>Alat za predvi\u0111anje:<\/strong><\/p>\n<ul>\n<li>Ovaj alat \u0107e predvidjeti najbolje cijene na temelju trenutnih i bliskih budu\u0107ih naga\u0111anja o tlu i vremenu.<\/li>\n<li>To je va\u017eno jer vrijeme ima veliki utjecaj na koli\u010dinu du\u0161ika koja je potrebna, prema Castellanu.<\/li>\n<\/ul>\n<p><strong>Alat za retrospektivno predvi\u0111anje:<\/strong><\/p>\n<ul>\n<li>Ovaj alat poma\u017ee poljoprivrednicima da se osvrnu na pro\u0161lu godinu kako bi vidjeli kako su se potrebe njihovih usjeva za du\u0161ikom mogle promijeniti da su stvari radili druga\u010dije. Na primjer, ako su posadili drugu vrstu kukuruza ili koristili gnojivo u drugo vrijeme.<\/li>\n<\/ul>\n<p>Castellano obja\u0161njava da je cilj svake godine a\u017eurirati ove alate novim podacima iz ispitivanja.<\/p>\n<p>\u201cSve dok poljoprivrednici isprobavaju nove stvari i vrijeme se mijenja, mijenjat \u0107e se i najbolje doze du\u0161ika. Moramo nastaviti prou\u010davati i pru\u017eati poljoprivrednicima informacije kako bi donosili najbolje odluke\u201d, rekao je.<\/p>\n<h2>Uklju\u010divanje poljoprivrednika<\/h2>\n<p>Poljoprivrednici su od samog po\u010detka dio inicijative Iowa Nitrogen, \u010dak su sudjelovali u dizajnerskom sprintu koji su vodili Googleovi in\u017eenjeri i dizajneri jo\u0161 u velja\u010di. Povratne informacije poljoprivrednika odigrale su klju\u010dnu ulogu u oblikovanju odluka poput prvog izdanja alata za dono\u0161enje odluka u obliku mobilne aplikacije. Poljoprivrednici su to predlo\u017eili jer je vjerojatnije da \u0107e koristiti informacije ako im mogu pristupiti u pokretu.<\/p>\n<p>\u201cUsko sura\u0111ujemo s poljoprivrednicima kako bismo osigurali da su proizvodi koje stvaramo korisni ljudima koji \u0107e ih koristiti. Ne \u017eelimo da se poljoprivrednici osje\u0107aju kao da im je ovo nametnuto\u201d, rekao je Castellano.<\/p>\n<p>Zadovoljan je \u0161to je svaki poljoprivrednik koji se pridru\u017eio u prvoj godini nastavio i u drugoj godini. Roger Zylstra, jedan od volontera koji su dvije godine bili doma\u0107ini pokusa, na danu polja u rujnu je podijelio da je suradnja s istra\u017eiva\u010dkim timom bila jednostavna i glatka. Zylstra, biv\u0161i predsjednik Udruge uzgajiva\u010da kukuruza u Iowi, uzgaja poljoprivredu u blizini Lynnvillea u okrugu Jasper i \u017eeljan je vla\u017enijih godina kako bi pru\u017eio vi\u0161e varijacija u podacima.<\/p>\n<p>\u201cUvijek poku\u0161avam prona\u0107i na\u010dine kako biti bolji upravitelj zemlje i u\u010dimo da postoje bolji na\u010dini za obavljanje stvari\u201d, rekao je Zylstra. \u201cMislim da je potencijal ovdje nevjerojatan.\u201d<\/p>\n<p>Voditelji projekta sada pozivaju poljoprivrednike, savjetnike za usjeve i prilago\u0111ene aplikatore gnojiva da se prijave za probni program u vegetacijskoj sezoni 2024. Zainteresirani mogu ispuniti online obrazac za vi\u0161e informacija ili izraziti svoj interes.<\/p>","protected":false},"excerpt":{"rendered":"<p>U Iowi, Michael Castellano govori o tome kako uzgoj kukuruza uklju\u010duje mnogo izbora. Ka\u017ee da postoje milijarde na\u010dina, a neki ljudi misle da je\u2026<\/p>","protected":false},"author":210157960,"featured_media":9267,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[1365],"tags":[],"class_list":["post-9261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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