{"id":2366,"date":"2021-12-21T10:43:37","date_gmt":"2021-12-21T09:43:37","guid":{"rendered":"https:\/\/geopard.tech\/?p=2366"},"modified":"2023-07-11T14:29:57","modified_gmt":"2023-07-11T12:29:57","slug":"sto-je-fertirigacija-i-kako-funkcionira","status":"publish","type":"post","link":"https:\/\/geopard.tech\/hr\/blog\/what-is-fertigation-and-how-does-it-work\/","title":{"rendered":"\u0160to je fertigacija i kako djeluje?"},"content":{"rendered":"<p>Iako se gnojiva uvelike koriste u poljoprivredi, njihove tradicionalne metode primjene mogu biti rasipne, a njihovo otjecanje \u010desto ima negativne posljedice za lokalni ekosustav.<\/p>\n<p>Kao jedna od mnogih praksi precizne poljoprivrede, fertirigacija je vrlo prilagodljiva i skalabilna praksa koja se \u0161iroko koristi jer pojednostavljuje primjenu gnojiva i navodnjavanje biljaka kombiniraju\u0107i ih u jedan sustav koji izbjegava otpad.<\/p>\n<p>To je popularna praksa me\u0111u poljoprivrednicima i poljoprivrednim stru\u010dnjacima ve\u0107 nekoliko desetlje\u0107a, a njezina u\u010dinkovitost i djelotvornost samo se pove\u0107avaju kako se uklju\u010duju u moderne tehnologije koje nastavljaju pojednostavljivati i automatizirati proces.<\/p>\n<h2>Definiranje fertirigacije<\/h2>\n<p>Fertirigacija je primjena gnojiva ili hranjivih tvari u poljoprivredni sustav putem mre\u017ee za navodnjavanje, pri \u010demu se hranjive tvari otapaju u vodi, a zatim ih biljke izravno apsorbiraju kada upiju vodu.<\/p>\n<p>Izraz kombinira pojmove &#039;gnojivo&#039; i &#039;navodnjavanje&#039; i postoji kao koncept stotinama godina, gdje su poljoprivrednici u starom Rimu zapravo koristili kanalizaciju za zalijevanje svojih usjeva, iako se od tada zna\u010dajno razvio.<\/p>\n<p>Mo\u017ee se koristiti u kombinaciji s nekoliko razli\u010ditih metoda navodnjavanja, uklju\u010duju\u0107i sustave za navodnjavanje prskalicama, kapanjem i navodnjavanje postupnim natapanjem, iako je kapanje najkompatibilnija i najkorisnija vrsta navodnjavanja.<\/p>\n<p>U usporedbi s trakastim ili raspr\u0161enim metodama primjene gnojiva, smatra se najpreciznijom i najkontroliranijom metodom primjene te obi\u010dno koristi ukupno manju koli\u010dinu gnojiva u usporedbi s drugim tehnikama.<\/p>\n<p>Tako\u0111er je uobi\u010dajena praksa u hidroponskim ili sustavima uzgoja bez tla, jer je daleko najlak\u0161a tehnika za davanje to\u010dnih doza pravilne prehrane potrebne biljkama u tim sustavima.<\/p>\n<p>Iako se u sustavima fertirigacije koristi niz spojeva, naj\u010de\u0161\u0107i su fosfor, kalij i du\u0161ik zbog njihove va\u017enosti u rastu i razvoju mnogih vrsta usjeva.<\/p>\n<h2>Kako funkcioniraju sustavi fertirigacije<\/h2>\n<p>Glavni princip fertirigacije je otapanje gnojiva topljivih u vodi koja se koristi za navodnjavanje kako bi se njihova primjena kombinirala. Budu\u0107i da je vla\u017eno korijenje neophodno za u\u010dinkovitu apsorpciju gnojiva, uvelike se pove\u0107ava u\u010dinkovitost primjene gnojiva osiguravaju\u0107i da se ono dovede do korijena u ve\u0107 navla\u017eenom tlu.<\/p>\n<p>Na\u010din skladi\u0161tenja gnojiva mo\u017ee se razlikovati od sustava do sustava, ali se \u010desto \u010duvaju u teku\u0107em obliku koji se lak\u0161e kombinira s vodom nego \u010destice koje se moraju otopiti. Specifi\u010dnosti svake mre\u017ee fertirigacije ovise o opsegu poljoprivrednog rada i vrsti sustava za navodnjavanje, a naprednije operacije mogu biti prema automatiziranim rasporedima, dok \u0107e jednostavnija, manja poljoprivredna gospodarstva to raditi ru\u010dno.<\/p>\n<p>Obi\u010dno se teku\u0107i oblik gnojiva skladi\u0161ti u velikom spremniku, a zatim \u0107e kapaljka ili injektor natopiti vodu za navodnjavanje preciznim koli\u010dinama gnojiva.<\/p>\n<p>Ve\u0107ina regionalnih poljoprivrednih propisa propisuje da sustavi fertirigacije moraju imati i ure\u0111aj za sprje\u010davanje povratnog toka kako bi se izbjeglo one\u010di\u0161\u0107enje izvorne opskrbe vodom za navodnjavanje fertirigiranom vodom, jer bi to moglo predstavljati rizik od one\u010di\u0161\u0107enja izvora pitke vode jakim kemikalijama.<\/p>\n<p><strong>Obrasci apsorpcije hranjivih tvari u fertirigaciji<\/strong><\/p>\n<p>Sustavi fertirigacije godinama se popularno koriste me\u0111u poljoprivrednicima zbog pove\u0107ane u\u010dinkovitosti kojom mogu opskrbiti biljke hranjivim tvarima.<\/p>\n<p>Otapanje gnojiva u vodi i njihova dostava biljkama u teku\u0107em obliku omogu\u0107uje im br\u017eu apsorpciju i kori\u0161tenje nego tradicionalnom primjenom gnojiva, posebno ako se provodi na razini korijena putem kapanja po kap.<\/p>\n<p>Iako postoji ve\u0107 desetlje\u0107ima, moderna inovacija u preciznoj poljoprivredi stvorila je mogu\u0107nost primjene preciznih koli\u010dina gnojiva za navodnjavanje za ciljano navo\u0111enje odre\u0111enih usjeva i stvorila automatizirane sustave s naprednim senzorskim, ventilskim i mre\u017eama ubrizgavanja.<\/p>\n<p>Na\u010din na koji se fertirigirana voda \u0161iri mijenja se izme\u0111u razli\u010ditih sustava i jedinstvene biogeokemije tla svakog kopnenog podru\u010dja, ali kod navodnjavanja kap po kap obi\u010dno \u0107e se \u0161iriti prema van i prema dolje od mjesta ispu\u0161tanja, kre\u0107u\u0107i se gravitacijom. Te\u0161ka glinena tla nisu idealni zamjenski sustavi za fertirigaciju, jer se gnojiva mogu zarobiti i nakupiti na razini korijena.<\/p>\n<p><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"2373\" data-permalink=\"https:\/\/geopard.tech\/hr\/blog\/what-is-fertigation-and-how-does-it-work\/what-is-fertigation-2-min\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-2-min.jpg?fit=1200%2C650&amp;ssl=1\" data-orig-size=\"1200,650\" data-comments-opened=\"1\" data-image-title=\"Fertigation systems in use\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-2-min.jpg?fit=1024%2C555&amp;ssl=1\" class=\"alignnone wp-image-2373 size-large\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-2-min.jpg?resize=810%2C439&#038;ssl=1\" alt=\"sustavi fertirigacije\" width=\"810\" height=\"439\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-2-min.jpg?resize=1024%2C555&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-2-min.jpg?resize=300%2C163&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-2-min.jpg?resize=768%2C416&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-2-min.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<h2>Stvaranje uspje\u0161nih sustava fertirigacije<\/h2>\n<p>U\u010dinkoviti i uspje\u0161ni sustavi fertirigacije ovise o izboru gnojiva i dizajnu izvorne mre\u017ee za navodnjavanje. Sustavi kap po kap su naj\u010de\u0161\u0107i i najkorisniji tip za transformaciju u sustave fertirigacije, jer isporu\u010duju vodu i hranjive tvari izravno u korijensku zonu biljke za brzu apsorpciju i iskori\u0161tavanje.<\/p>\n<p>Glavna razmatranja u stvaranju uspje\u0161nog sustava su vrsta gnojiva koje se koristi te koliko je topljivo, kiselo i kompatibilno s ciljanim usjevima. Smjesa koja se koristi trebala bi se temeljiti na potrebama biljaka koje se uzgajaju za hranjivim tvarima, a sustavi gnojiva s promjenjivom dozom (VRF) mogu to\u010dno odrediti specifi\u010dne potrebe tla za hranjivim tvarima.<\/p>\n<p>Tablica 1 prikazuje neke od naj\u010de\u0161\u0107ih spojeva koji se koriste u fertirigaciji i njihovu kemijsku razgradnju, kao i kako se njihova sposobnost otapanja u vodi mijenja s vi\u0161im temperaturama. Ve\u0107ina mre\u017ea za navodnjavanje sada je izgra\u0111ena od plastike ili sli\u010dnih materijala, \u0161to je va\u017eno jer odre\u0111ena gnojiva mogu biti vrlo jaka i korozivna za metalne cijevi.<\/p>\n<p>Vrsta i kiselost tla moraju se uzeti u obzir pri planiranju njegovih operacija i gnojidbe op\u0107enito, te je klju\u010dno uskladiti ispravne spojeve s vrstom tla kako bi se sprije\u010dilo da postane previ\u0161e kiselo ili previ\u0161e lu\u017enato.<\/p>\n<p>Odabir spojeva s hranjivim tvarima koji imaju kapacitet topljivosti koji dobro odgovara temperaturi tla i vode u va\u0161oj regiji jo\u0161 je jedan faktor za uspje\u0161nu fertirigaciju. Za optimalno planiranje fertirigacije treba koristiti softver za geoprostorno mapiranje kako bi se stvorila vi\u0161eslojna karta koja odra\u017eava varijacije izme\u0111u razli\u010ditih \u010dimbenika kao \u0161to su elektri\u010dna vodljivost tla, pH, gusto\u0107a hranjivih tvari i obrasci odvodnje kako bi se odgovaraju\u0107i unosi mogli otopiti u va\u0161em sustavu navodnjavanja u ispravnim koli\u010dinama.<\/p>\n<p><strong>Tablica 1: Ra\u0161\u010dlamba uobi\u010dajenih spojeva koji se koriste za fertirigaciju<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\"><strong>Spoj<\/strong><\/td>\n<td rowspan=\"2\"><strong>Elektri\u010dni <\/strong><strong style=\"font-size: revert; font-family: inherit; color: initial;\">Provodljivost\u00a0 \u00a0 \u00a0\u00a0<\/strong><\/p>\n<p><strong>(dS\/m)<\/strong><\/td>\n<td rowspan=\"2\"><strong>pH\u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/strong><\/td>\n<td rowspan=\"2\"><strong>Hranjiva tvar\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/strong><\/td>\n<td colspan=\"2\"><strong>Kapacitet topljivosti<\/strong><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Na 0\u2103\u00a0 \u00a0 \u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Na 20\u2103\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Amonijev nitrat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5.5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Du\u0161ik<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1183<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1950<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Amonijev sulfat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1.4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4.5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Du\u0161ik<\/span><\/td>\n<td><span style=\"font-weight: 400;\">706<\/span><\/td>\n<td><span style=\"font-weight: 400;\">750<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kalcijev nitrat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6.9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Du\u0161ik<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1020<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1294<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Diamonijev fosfat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7.8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Du\u0161ik <\/span><span style=\"font-weight: 400;\">Fosfor\u00a0 \u00a0\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">429<\/span><\/td>\n<td><span style=\"font-weight: 400;\">692<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Magnezijev klorid<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6.8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Magnezij<\/span><\/td>\n<td><span style=\"font-weight: 400;\">528<\/span><\/td>\n<td><span style=\"font-weight: 400;\">546<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Magnezijev sulfat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6.9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Magnezij<\/span><\/td>\n<td><span style=\"font-weight: 400;\">260<\/span><\/td>\n<td><span style=\"font-weight: 400;\">356<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Mono-kalijev fosfat\u00a0\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4.6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kalij <\/span><span style=\"font-size: revert; font-family: inherit; color: initial;\">Fosfor\u00a0 \u00a0 \u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">142<\/span><\/td>\n<td><span style=\"font-weight: 400;\">225<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kalijev klorid<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kalij<\/span><\/td>\n<td><span style=\"font-weight: 400;\">280<\/span><\/td>\n<td><span style=\"font-weight: 400;\">340<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kalijev nitrat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Du\u0161ik <\/span><span style=\"font-weight: 400;\">Kalij<\/span><\/td>\n<td><span style=\"font-weight: 400;\">130<\/span><\/td>\n<td><span style=\"font-weight: 400;\">320<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Urea<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Du\u0161ik\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">680<\/span><\/td>\n<td><span style=\"font-weight: 400;\">850<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Kompatibilnost fertirigacije s razli\u010ditim sustavima navodnjavanja<\/h2>\n<p>Najbolji sustavi fertirigacije su oni koji su ugra\u0111eni u sustave za navodnjavanje kap po kap, tako da se voda i hranjive tvari mogu dostavljati izravno korijenu. <a href=\"https:\/\/geopard.tech\/hr\/zone-upravljanja-vra-karte\/\">zona usjeva<\/a> \u2013 iako se to tehni\u010dki mo\u017ee u\u010diniti putem bilo kojeg sustava za navodnjavanje.<\/p>\n<p>Sustavi za navodnjavanje imaju nekoliko zna\u010dajnih nedostataka, jer velik dio gnojene vode dospijeva na li\u0161\u0107e i li\u0161\u0107e biljaka, \u0161to tro\u0161i vrijedne resurse i ima potencijal da spali krhko li\u0161\u0107e ili doprinese \u0161irenju gljivi\u010dnih bolesti zbog staja\u0107e vlage.<\/p>\n<p>Vjetar tako\u0111er mo\u017ee otpuhati oblake raspr\u0161ene vode s gnojiva u susjedna polja ili izvore vode, \u0161to je te\u0161ko objasniti i mo\u017ee one\u010distiti izvore vode s potencijalno opasnim posljedicama.<\/p>\n<p>Opskrba vodom i hranjivim tvarima putem podzemnog navodnjavanja kap po kap najbolja je tehnika jer je gubitak minimalan, a korijenje biljke mo\u017ee brzo apsorbirati vodu nakon ispu\u0161tanja. Osim toga, navodnjavanje kap po kap omogu\u0107uje kontroliranije i preciznije koli\u010dine gnojiva koje se ispu\u0161taju na odre\u0111enim to\u010dkama u tlu kako bi se zadovoljile potrebe svake biljke u usporedbi s prskalicama.<\/p>\n<p>Kaplji\u010dno navodnjavanje tako\u0111er zahtijeva manji tlak za rad od sustava prskalica, \u0161to vrijedi i za dizajne navodnjavanja s crijevima za natapanje, me\u0111utim oni su manje idealni od podzemnog kaplji\u010dnog navodnjavanja jer i dalje zalijevaju na povr\u0161ini i nemaju istu preciznost jer se voda ispu\u0161ta s cijele povr\u0161ine crijeva.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2374\" data-permalink=\"https:\/\/geopard.tech\/hr\/blog\/what-is-fertigation-and-how-does-it-work\/what-is-fertigation-3-min\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-3-min.jpg?fit=1200%2C650&amp;ssl=1\" data-orig-size=\"1200,650\" data-comments-opened=\"1\" data-image-title=\"Fertigation compatibility with different irrigation systems\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-3-min.jpg?fit=1024%2C555&amp;ssl=1\" class=\"alignnone wp-image-2374 size-large\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-3-min.jpg?resize=810%2C439&#038;ssl=1\" alt=\"Kompatibilnost fertirigacije s razli\u010ditim sustavima navodnjavanja\" width=\"810\" height=\"439\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-3-min.jpg?resize=1024%2C555&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-3-min.jpg?resize=300%2C163&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-3-min.jpg?resize=768%2C416&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-3-min.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<h2>Prednosti fertirigacije<\/h2>\n<p>Pravilno instalirani sustavi fertirigacije mogu se pokazati vrlo korisnima za poljoprivredne stru\u010dnjake iz nekoliko razloga. Prvo, to je vrlo u\u010dinkovit na\u010din distribucije gnojiva na na\u010din &quot;ubijanja dvije muhe jednim udarcem&quot; istovremenim zalijevanjem i gnojidbom usjeva.<\/p>\n<p>To tako\u0111er zna\u010di da se ista cjevovodna oprema i infrastruktura mogu iskoristiti za dva bitna ulaza, \u0161to ga \u010dini isplativim pristupom. Tako\u0111er je ekonomski povoljno jer precizna primjena gnojiva putem ve\u0107 u\u010dinkovitog sustava poput kap po kap navodnjavanja zna\u010di da se resursi \u010duvaju i da se moraju koristiti samo to\u010dne koli\u010dine.<\/p>\n<p>U usporedbi s tradicionalnim pristupom raspr\u0161ivanja jedne monotone gusto\u0107e gnojiva na vi\u0161e polja, rasipanje je minimalno. Budu\u0107i da se gnojivo na usjeve treba primjenjivati rje\u0111e nego voda, mo\u017ee se pove\u0107avati ili smanjivati po potrebi bez prelaska na drugi sustav jer \u010dak ni obilne biljke ne\u0107e zahtijevati \u010de\u0161\u0107u gnojidbu od navodnjavanja.<\/p>\n<p>Manje, ali \u010de\u0161\u0107e koli\u010dine gnojiva koje se primjenjuju na usjeve tako\u0111er su povoljne jer op\u0107enito smanjuju vjerojatnost nakupljanja soli u usporedbi s ve\u0107im koli\u010dinama, ali rijetkim raspr\u0161ivanjem ili primjenom u trakama.<\/p>\n<p>Koristi se u su\u0161nim klimama koje do\u017eivljavaju nedostatak vode kako bi se pobolj\u0161ao potencijal svake kapi vode i osiguralo da se iskoristi svaki komadi\u0107 vla\u017enog tla istovremenim pru\u017eanjem potrebnih gnojiva.<\/p>\n<p>Ne samo da su koncentracije gnojiva visoko kontrolirane, ve\u0107 je u sustavima kapanja po kap to\u010dna lokacija to\u010daka ispu\u0161tanja vode preciznija i rezultira time da korijenje usjeva mo\u017ee brzo apsorbirati hranjive tvari dok se primjenjuju, umjesto da se one samo apsorbiraju u prazne i suhe dijelove tla gdje se rasipaju.<\/p>\n<p>Korijenje je tako\u0111er ve\u0107 vla\u017eno kada primi gnojivo, \u0161to smanjuje opekline korijena i pove\u0107ava kapacitet apsorpcije.<\/p>\n<p>Ova tehnika izravne primjene gnojiva u korijenje smanjuje vjerojatnost ispiranja hranjivih tvari, jer je vrijeme koje gnojivo provodi &#039;u limbu&#039; od trenutka primjene do trenutka apsorpcije vrlo kratko, pa postoji manji rizik od otjecanja od ki\u0161e ili sli\u010dnih vremenskih pojava.<\/p>\n<p>Studije pokazuju da uz odgovaraju\u0107u opremu i ispravnu ugradnju, kap po kap fertirigacija mo\u017ee zna\u010dajno pobolj\u0161ati <a href=\"https:\/\/geopard.tech\/hr\/podaci-o-prinosu\/\">prinosi usjeva<\/a>, pobolj\u0161ati produktivnost vode i drasti\u010dno smanjiti rasipanje gnojiva.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2375\" data-permalink=\"https:\/\/geopard.tech\/hr\/blog\/what-is-fertigation-and-how-does-it-work\/what-is-fertigation-4-min\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-4-min.jpg?fit=1200%2C650&amp;ssl=1\" data-orig-size=\"1200,650\" data-comments-opened=\"1\" data-image-title=\"Fertigation disadvantages\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-4-min.jpg?fit=1024%2C555&amp;ssl=1\" class=\"alignnone wp-image-2375 size-large\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-4-min.jpg?resize=810%2C439&#038;ssl=1\" alt=\"Nedostaci fertirigacije\" width=\"810\" height=\"439\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-4-min.jpg?resize=1024%2C555&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-4-min.jpg?resize=300%2C163&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-4-min.jpg?resize=768%2C416&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/12\/What-is-fertigation-4-min.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<h2>Nedostaci fertirigacije<\/h2>\n<p>Nedostaci sustava fertirigacije uglavnom su povezani s ekonomskim nedostacima, jer sustavi s minimalnim ulaganjima imaju ve\u0107u vjerojatnost da \u0107e imati problema s infrastrukturom i propu\u0161tanjem. Bez vrlo kvalitetnog preventivnog ure\u0111aja za povratni tok postoji zna\u010dajan rizik da se izvor slatke vode koji se koristi za navodnjavanje kontaminira vodom dobivenom fertirigacijom.<\/p>\n<p>To predstavlja o\u010dite opasnosti za ljudsko zdravlje, ali i za zdravlje lokalnih slivova, flore i faune te mo\u017ee doprinijeti op\u0107em one\u010di\u0161\u0107enju lokalnog bioma.<\/p>\n<p>Oprema ni\u017ee kvalitete ili starija oprema, ili cjevovodna infrastruktura koja se prote\u017ee na velike udaljenosti, mogu imati nekonzistentne otopine koje teku kroz njih jer se gnojivo razrje\u0111uje u vodi dok se kre\u0107e kroz navodnjava\u010dke cijevi, smanjuju\u0107i u\u010dinkovitost sustava i potencijalno uzrokuju\u0107i prekomjernu gnojidbu odre\u0111enih usjeva i nedovoljnu gnojidbu drugih.<\/p>\n<p>Ovisno o kemijskom sastavu vode za navodnjavanje, postoji i mogu\u0107nost reakcija izme\u0111u gnojiva na bazi magnezija ili kalcija i bikarbonata u vodi.<\/p>\n<p>To se \u010de\u0161\u0107e doga\u0111a kada je izvor vode iz bunara ili podzemne vode, a u vodi mogu biti ne\u0161to ve\u0107e koncentracije vapna ili \u017eeljeza otopljenog u vodi koje reagiraju s gnojivima ili se samo nakupljaju i talo\u017ee.<\/p>\n<p>Kemijsko za\u010depljenje mo\u017ee pogor\u0161ati probleme nedosljedne primjene hranjivih tvari na usjeve blokiranjem izlaznih to\u010daka u sustavu navodnjavanja. Rje\u0161enja uklju\u010duju manipuliranje pH vrijednosti vode ili ubrizgavanje niskih koncentracija fosfonata u vodu ili pumpanje u zaseban spremnik ili rezervoar gdje se talog mo\u017ee talo\u017eiti prije primjene gnojiva.<\/p>\n<p><strong>Vrijedna praksa precizne poljoprivrede<\/strong><\/p>\n<p>Sveukupno, dokazala se kao klju\u010dni dio modernih poljoprivrednih sustava te je igrala, i nastavit \u0107e, va\u017enu ulogu u \u0161irenju primjene precizne poljoprivrede.<\/p>\n<p>Fertirigacija prevladava ograni\u010denja tradicionalne primjene gnojiva stvaranjem ve\u0107e razine kontrole nad to\u010dnim koli\u010dinama i stopama kojima se gnojiva primjenjuju na usjeve, a provodi se prema preciznom rasporedu s visokom razinom uspje\u0161nosti apsorpcije hranjivih tvari i minimalnim rasipanjem.<\/p>\n<p>Posebno kada se koristi u sustavu kap po kap navodnjavanja, ova praksa utjelovljuje mnoge temelje precizne poljoprivrede i poma\u017ee upraviteljima zemlji\u0161ta u dono\u0161enju ekonomskih i odr\u017eivih odluka o primjeni gnojiva koje ne samo da pove\u0107avaju prinose ve\u0107 i doprinose dugovje\u010dnosti poljoprivrednog poslovanja.<\/p>\n<hr \/>\n<h2>\u010cesto postavljana pitanja<\/h2>\n<hr \/>\n<p><strong>1. Kako funkcionira kap po kap navodnjavanje?<\/strong><\/p>\n<p>Kaplji\u010dno navodnjavanje je u\u010dinkovita metoda isporuke vlage izravno korijenju biljaka. Uklju\u010duje mre\u017eu cijevi ili cijevi s malim rupama ili emiterima postavljenim blizu podno\u017eja biljaka. Kroz ove emitere voda kaplje polako i ravnomjerno, omogu\u0107uju\u0107i biljkama da je u\u010dinkovito apsorbiraju bez rasipanja.<\/p>\n<p>Ovaj ciljani pristup minimizira isparavanje i otjecanje, a istovremeno maksimizira apsorpciju vode, poti\u010de zdrav rast biljaka i smanjuje potro\u0161nju vode u poljoprivredi i vrtovima. Kap po kap navodnjavanje osigurava da biljke dobiju pravu koli\u010dinu vode, \u0161tede\u0107i resurse i podr\u017eavaju\u0107i odr\u017eive poljoprivredne prakse.<\/p>\n<p><strong>2. \u0160to fertirigacija omogu\u0107uje proizvo\u0111a\u010du? \u0160to se putem nje primjenjuje na usjeve i tlo?<\/strong><\/p>\n<p>Omogu\u0107uje proizvo\u0111a\u010dima da kombiniraju prednosti navodnjavanja i gnojidbe u jednoj primjeni.<\/p>\n<p>Omogu\u0107uje im da gnojiva dostavljaju izravno korijenju biljaka putem sustava za navodnjavanje. Ova metoda osigurava da biljke dobiju potrebne hranjive tvari to\u010dno kada im trebaju, pobolj\u0161avaju\u0107i unos hranjivih tvari i poti\u010du\u0107i zdrav rast.<\/p>\n<p>Tako\u0111er nudi bolju kontrolu nad distribucijom hranjivih tvari, smanjuje otpad gnojiva i omogu\u0107uje ciljano i u\u010dinkovito upravljanje hranjivim tvarima, \u0161to rezultira pove\u0107anim prinosima usjeva i ukupnom produktivno\u0161\u0107u za proizvo\u0111a\u010de.<\/p>\n<p><strong><span class=\"zRhise\"><span class=\"PkjLuf\" title=\"razlika izme\u0111u navodnjavanja i fertirigacije\">3. Razlika izme\u0111u navodnjavanja i fertirigacije?<\/span><\/span><\/strong><\/p>\n<p>Navodnjavanje je proces opskrbe biljaka vodom kako bi se zadovoljile njihove potrebe za vlagom. Uklju\u010duje opskrbu tla vodom putem razli\u010ditih metoda poput prskalica, navodnjavanja poplavama ili sustava kap po kap. S druge strane, to je praksa primjene gnojiva na biljke putem sustava za navodnjavanje.<\/p>\n<p><strong>4. Kako gnojivo djeluje? Za\u0161to poljoprivrednici koriste gnojiva?<\/strong><\/p>\n<p>Gnojiva su tvari koje se dodaju tlu ili biljkama kako bi se osigurale esencijalne hranjive tvari koje mogu nedostajati u prirodnom okru\u017eenju. Gnojiva sadr\u017ee koncentrirane koli\u010dine klju\u010dnih elemenata poput du\u0161ika, fosfora i kalija, koji su bitni za rast biljaka.<\/p>\n<p>Kada se primjenjuju na tlo ili biljke, gnojiva se otapaju u vodi i osloba\u0111aju te hranjive tvari. Biljke apsorbiraju hranjive tvari kroz korijenje i koriste ih za vitalne procese poput fotosinteze i sinteze proteina, \u0161to rezultira zdravijim i produktivnijim rastom.<\/p>\n<p>Gnojiva poma\u017eu u rje\u0161avanju nedostatka hranjivih tvari, pobolj\u0161avaju plodnost tla i poti\u010du sna\u017ean razvoj biljaka.<\/p>\n<p><strong>5. Kako poljoprivrednici zalijevaju svoje usjeve?<\/strong><\/p>\n<p>Poljoprivrednici zalijevaju svoje usjeve razli\u010ditim metodama ovisno o \u010dimbenicima poput vrste usjeva, uvjeta tla i dostupnosti vode. Uobi\u010dajene tehnike uklju\u010duju nadzemne prskalice, navodnjavanje brazdama, poplavljivanje i kapanje po kap.<\/p>\n<p>Nadzemni raspr\u0161iva\u010di distribuiraju vodu po povr\u0161ini usjeva u obliku finih kapljica, sli\u010dno ki\u0161i. Navodnjavanje brazdom uklju\u010duje stvaranje plitkih kanala izme\u0111u redova usjeva i njihovo punjenje vodom.<\/p>\n<p>Navodnjavanje poplavama preplavljuje cijelo polje vodom, omogu\u0107uju\u0107i joj da prodre u tlo. Kap po kap navodnjavanje dovodi vodu izravno do korijena biljaka putem mre\u017ee cijevi ili cijevi s malim emiterima, smanjuju\u0107i gubitak vode i maksimiziraju\u0107i u\u010dinkovitost. Poljoprivrednici biraju najprikladniju metodu na temelju svojih specifi\u010dnih potreba i resursa.<\/p>","protected":false},"excerpt":{"rendered":"<p>Iako se gnojiva uvelike koriste u poljoprivredi, njihove tradicionalne metode primjene mogu biti rasipne, a njihovo otjecanje \u010desto ima negativne posljedice za\u2026<\/p>","protected":false},"author":210157960,"featured_media":2376,"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":[1380],"tags":[1652],"class_list":["post-2366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-whats","tag-fertigation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is fertigation?\ud83d\ude9c<\/title>\n<meta name=\"description\" content=\"How does the fertigation system work and why it is good to grow crops using this? 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