{"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":"kaj-je-fertigacija-in-kako-deluje","status":"publish","type":"post","link":"https:\/\/geopard.tech\/sl\/blog\/what-is-fertigation-and-how-does-it-work\/","title":{"rendered":"Kaj je fertigacija in kako deluje?"},"content":{"rendered":"<p>\u010ceprav se v kmetijstvu mo\u010dno zana\u0161amo na gnojila, so njihovi tradicionalni na\u010dini uporabe lahko potratni, njihovo odtekanje pa ima pogosto negativne posledice za lokalni ekosistem.<\/p>\n<p>Fertirigacija, ena od mnogih praks preciznega kmetijstva, je zelo prilagodljiva in skalabilna praksa, ki se pogosto uporablja, saj poenostavlja nana\u0161anje gnojil in namakanje rastlin tako, da ju zdru\u017euje v en sam sistem, ki prepre\u010duje odpadke.<\/p>\n<p>To je \u017ee ve\u010d desetletij priljubljena praksa med kmeti in kmetijskimi strokovnjaki, njena u\u010dinkovitost in uspe\u0161nost pa se le \u0161e pove\u010duje, saj se vklju\u010duje v sodobne tehnologije, ki \u0161e naprej poenostavljajo in avtomatizirajo postopek.<\/p>\n<h2>Opredelitev fertigacije<\/h2>\n<p>Fertirigacija je vnos gnojil ali hranil v kmetijski sistem prek namakalnega omre\u017eja, pri \u010demer se hranila raztopijo v vodi in jih nato rastline neposredno absorbirajo, ko absorbirajo vodo.<\/p>\n<p>Izraz zdru\u017euje besedi \u2018gnojilo\u2019 in \u2018namakanje\u2019 ter kot koncept obstaja \u017ee stoletja, saj so kmetje v starem Rimu dejansko uporabljali odplake za zalivanje svojih pridelkov, \u010deprav se je od takrat precej razvil.<\/p>\n<p>Uporablja se lahko v povezavi z ve\u010d razli\u010dnimi metodami namakanja, vklju\u010dno z namakalnimi sistemi z razpr\u0161ilniki, kaplji\u010dnim zalivanjem in namakanjem z vlago, \u010deprav je kaplji\u010dno zalivanje najbolj zdru\u017eljiva in koristna vrsta namakanja.<\/p>\n<p>V primerjavi s pasovnimi ali razpr\u0161evalnimi metodami gnojenja velja za najbolj natan\u010dno in nadzorovano metodo nana\u0161anja ter obi\u010dajno uporablja manj\u0161o koli\u010dino gnojila v primerjavi z drugimi tehnikami.<\/p>\n<p>Prav tako je to pogosta praksa v hidroponskih ali brezprsnih gojitvenih sistemih, saj je dale\u010d najla\u017eja tehnika za dajanje natan\u010dnih odmerkov pravilnih hranil, ki jih rastline v teh sistemih potrebujejo.<\/p>\n<p>\u010ceprav se v sistemih za fertirigacijo uporablja ve\u010d spojin, so najpogostej\u0161e fosfor, kalij in du\u0161ik zaradi njihovega pomena za rast in razvoj \u0161tevilnih vrst polj\u0161\u010din.<\/p>\n<h2>Kako delujejo sistemi za fertirigacijo<\/h2>\n<p>Glavno na\u010delo fertigacije je raztapljanje vodotopnih gnojil v vodi, ki se uporablja za namakanje, tako da se njihova uporaba zdru\u017ei. Ker so mokre korenine potrebne za u\u010dinkovito absorpcijo gnojil, se mo\u010dno pove\u010da u\u010dinkovitost uporabe gnojil, saj se zagotovi, da se dovajajo koreninam v \u017ee namo\u010dena tla.<\/p>\n<p>Na\u010din shranjevanja gnojil se lahko razlikuje od sistema do sistema, vendar se pogosto hranijo v teko\u010di obliki, ki jo je la\u017eje kombinirati z vodo kot delce, ki jih je treba raztopiti. Posebnosti vsakega omre\u017eja za fertirigacijo so odvisne od obsega kmetijske dejavnosti in vrste namakalnega sistema, naprednej\u0161e operacije pa se lahko izvajajo po avtomatiziranih urnikih, medtem ko enostavnej\u0161e, manj\u0161e kmetije to po\u010dnejo ro\u010dno.<\/p>\n<p>Obi\u010dajno se teko\u010da oblika gnojila shrani v velikem rezervoarju, nato pa kapljalnik ali injektor napolni namakalno vodo z natan\u010dnimi koli\u010dinami gnojila.<\/p>\n<p>Ve\u010dina regionalnih kmetijskih predpisov dolo\u010da, da morajo imeti sistemi za fertigacijo name\u0161\u010deno tudi napravo za prepre\u010devanje povratnega toka, da se prepre\u010di onesna\u017eenje prvotne namakalne vode z vodo, uporabljeno za fertigacijo, saj bi to lahko povzro\u010dilo onesna\u017eenje virov pitne vode z agresivnimi kemikalijami.<\/p>\n<p><strong>Vzorci absorpcije hranil pri fertirigaciji<\/strong><\/p>\n<p>Sistemi za fertirigacijo \u017ee leta priljubljeno uporabljajo kmetijski strokovnjaki zaradi ve\u010dje u\u010dinkovitosti, s katero lahko rastline oskrbujejo s hranili.<\/p>\n<p>Raztapljanje gnojil v vodi in njihova dostava rastlinam v teko\u010di obliki omogo\u010da, da se absorbirajo in izkoristijo hitreje kot tradicionalno gnojenje, zlasti \u010de se izvaja na koreninski ravni s kaplji\u010dnim namakanjem.<\/p>\n<p>\u010ceprav obstaja \u017ee desetletja, so sodobne inovacije v preciznem kmetijstvu omogo\u010dile uporabo natan\u010dnih koli\u010din gnojenega namakanja za ciljno nana\u0161anje na dolo\u010dene pridelke in ustvarile avtomatizirane sisteme z naprednimi senzorji, ventili in omre\u017eji za vbrizgavanje.<\/p>\n<p>Na\u010din \u0161irjenja fertigacijske vode se razlikuje med razli\u010dnimi sistemi in edinstveno biogeokemijo tal vsakega kopnega, vendar se pri kaplji\u010dnem namakanju obi\u010dajno \u0161iri navzven in navzdol od mesta izpusta, pri \u010demer se premika zaradi gravitacije. Te\u017eka glinena tla niso idealna za sisteme fertigacije, saj se gnojila lahko ujamejo in naberejo na ravni korenin.<\/p>\n<p><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"2373\" data-permalink=\"https:\/\/geopard.tech\/sl\/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-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" 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=\"sistemi za fertigacijo\" 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>Ustvarjanje uspe\u0161nih sistemov za fertirigacijo<\/h2>\n<p>U\u010dinkoviti in uspe\u0161ni sistemi fertirigacije so odvisni od izbire gnojil in zasnove prvotnega namakalnega omre\u017eja. Sistemi kaplji\u010dnega namakanja so najpogostej\u0161i in najbolj koristni tip za pretvorbo v sisteme fertirigacije, saj vodo in hranila dovajajo neposredno v koreninski sistem rastline za hitro absorpcijo in izkori\u0161\u010danje.<\/p>\n<p>Glavni dejavniki pri ustvarjanju uspe\u0161nega sistema so vrsta uporabljenega gnojila ter njegova topnost, kislost in zdru\u017eljivost s ciljnimi rastlinami. Uporabljena spojina mora temeljiti na potrebah rastlin po hranilih, sistemi gnojil s spremenljivo koli\u010dino (VRF) pa lahko natan\u010dno dolo\u010dijo specifi\u010dne potrebe tal po hranilih.<\/p>\n<p>V tabeli 1 so raz\u010dlenjene nekatere najpogostej\u0161e spojine, ki se uporabljajo pri fertirigaciji, in njihova kemi\u010dna razgradnja ter kako se njihova sposobnost raztapljanja v vodi spreminja z vi\u0161jimi temperaturami. Ve\u010dina namakalnih omre\u017eij je zdaj zgrajenih iz plastike ali podobnih materialov, kar je pomembno, saj so nekatera gnojila lahko zelo mo\u010dna in korozivna za kovinske cevi.<\/p>\n<p>Pri na\u010drtovanju delovanja in gnojenja na splo\u0161no je treba upo\u0161tevati vrsto in kislost tal, zato je klju\u010dnega pomena, da pravilno kombinirate spojine s tipom tal, da prepre\u010dite, da bi postala preve\u010d kisla ali preve\u010d alkalna.<\/p>\n<p>Izbira spojin s hranili, ki imajo topnost, primerno za temperaturo tal in vode v va\u0161i regiji, je \u0161e en dejavnik za uspe\u0161no fertirigacijo. Za optimalno na\u010drtovanje fertirigacije je treba uporabiti programsko opremo za geoprostorsko kartiranje, s katero ustvarite ve\u010dplastni zemljevid, ki odra\u017ea razlike med razli\u010dnimi dejavniki, kot so elektri\u010dna prevodnost tal, pH, gostota hranil in vzorci drena\u017ee, tako da se lahko ustrezni vnosi raztopijo v va\u0161em namakalnem sistemu v pravilnih koli\u010dinah.<\/p>\n<p><strong>Tabela 1: Raz\u010dlenitev obi\u010dajnih spojin, ki se uporabljajo za fertirigacijo<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\"><strong>Sestavljeno<\/strong><\/td>\n<td rowspan=\"2\"><strong>Elektrika <\/strong><strong style=\"font-size: revert; font-family: inherit; color: initial;\">Prevodnost\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>Hranilo\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/strong><\/td>\n<td colspan=\"2\"><strong>Topnost<\/strong><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Pri 0\u2103\u00a0 \u00a0 \u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pri 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;\">Monokalijev 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;\">Se\u010dnina<\/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>Zdru\u017eljivost fertigacije z razli\u010dnimi namakalnimi sistemi<\/h2>\n<p>Najbolj\u0161i sistemi za fertirigacijo so tisti, ki so vgrajeni v kaplji\u010dno namakanje, tako da se voda in hranila lahko dovajajo neposredno koreninam. <a href=\"https:\/\/geopard.tech\/sl\/zemljevidi-obmocij-upravljanja-vra\/\">obmo\u010dje polj\u0161\u010din<\/a> \u2013 \u010deprav je to tehni\u010dno mogo\u010de izvesti s katerim koli namakalnim sistemom.<\/p>\n<p>Sistemi za \u0161kropljenje imajo ve\u010d pomembnih pomanjkljivosti, saj velik del gnojene vode pristane na listih in listju rastlin, kar zapravlja dragocene vire in lahko povzro\u010di opekline krhkih listov ali prispeva k \u0161irjenju glivi\u010dnih bolezni zaradi stoje\u010de vlage.<\/p>\n<p>Veter lahko tudi odpihne oblake po\u0161kropljene vode na sosednja polja ali vodne vire, kar je te\u017eko upo\u0161tevati in lahko onesna\u017ei vodne vire s potencialno nevarnimi posledicami.<\/p>\n<p>Oskrba z vodo in hranili s podpovr\u0161inskim kaplji\u010dnim namakanjem je najbolj\u0161a tehnika, saj je izguba minimalna in jih korenine rastlin po spro\u0161\u010danju hitro absorbirajo. Poleg tega kaplji\u010dno namakanje omogo\u010da tudi bolj nadzorovane in natan\u010dne koli\u010dine gnojil, ki se spro\u0161\u010dajo na dolo\u010denih mestih v tleh, da se zadovoljijo potrebe vsake rastline v primerjavi z razpr\u0161ilniki.<\/p>\n<p>Kaplji\u010dno namakanje zahteva tudi manj\u0161i tlak za delovanje kot \u0161kropilni sistemi, kar velja tudi za namakalne cevi, vendar so te manj idealne kot podzemno kaplji\u010dno namakanje, saj \u0161e vedno zalivajo na povr\u0161ini in nimajo enake natan\u010dnosti, saj se voda spro\u0161\u010da s celotne povr\u0161ine cevi.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2374\" data-permalink=\"https:\/\/geopard.tech\/sl\/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-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" 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=\"Zdru\u017eljivost fertigacije z razli\u010dnimi namakalnimi sistemi\" 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 fertigacije<\/h2>\n<p>Pravilno name\u0161\u010deni sistemi za fertirigacijo se lahko izka\u017eejo za zelo koristne za kmetijske strokovnjake iz ve\u010d razlogov. Prvi\u010d, gre za zelo u\u010dinkovit na\u010din porazdelitve gnojil po na\u010delu \u2018ubij dve muhi na en mah\u2019 z isto\u010dasnim zalivanjem in gnojenjem pridelkov.<\/p>\n<p>To pomeni tudi, da se lahko ista cevovodna oprema in infrastruktura uporabita za dva bistvena vlo\u017eka, zaradi \u010desar je to stro\u0161kovno u\u010dinkovit pristop. Ekonomsko je ugoden tudi zato, ker natan\u010dna uporaba gnojil prek \u017ee tako u\u010dinkovitega sistema, kot je kaplji\u010dno namakanje, pomeni, da se viri var\u010dujejo in je treba uporabiti le natan\u010dne koli\u010dine.<\/p>\n<p>V primerjavi s tradicionalnim pristopom razpr\u0161evanja z eno samo gostoto gnojila na ve\u010d polj je izguba minimalna. Ker je treba gnojilo na pridelke nana\u0161ati manj pogosto kot vodo, ga je mogo\u010de po potrebi pove\u010devati ali zmanj\u0161evati, ne da bi bilo treba preklopiti na drug sistem, saj tudi rastline z veliko gnojilno mo\u010djo ne bodo potrebovale pogostej\u0161ega gnojenja kot namakanja.<\/p>\n<p>Manj\u0161e, a pogostej\u0161e gnojenje pridelkov je prav tako ugodno, saj na splo\u0161no zmanj\u0161a verjetnost kopi\u010denja soli v primerjavi z ve\u010djimi, a redkimi razpr\u0161enimi ali pasovnimi gnojili.<\/p>\n<p>Uporablja se v su\u0161nih podnebjih, kjer primanjkuje vode, za izbolj\u0161anje potenciala vsake kapljice vode in zagotovitev, da se izkoristi vsak ko\u0161\u010dek mokre zemlje z isto\u010dasnim zagotavljanjem potrebnih gnojil.<\/p>\n<p>Ne le, da so koncentracije gnojil strogo nadzorovane, ampak je pri sistemih kaplji\u010dnega gnojenja lokacija to\u010dk spro\u0161\u010danja vode natan\u010dnej\u0161a, kar omogo\u010da koreninam rastlin, da hitro absorbirajo hranila, ko so nanesena, namesto da se absorbirajo le v prazna in suha obmo\u010dja zemlje, kjer se zapravljajo.<\/p>\n<p>Korenine so \u017ee vla\u017ene, ko prejmejo gnojilo, kar zmanj\u0161a opekline korenin in pove\u010da absorpcijsko sposobnost.<\/p>\n<p>Ta tehnika neposrednega vna\u0161anja gnojila v korenine zmanj\u0161uje verjetnost izpiranja hranil, saj je \u010das, ki ga gnojilo pre\u017eivi \u2018v limbu\u2019 od nanosa do absorpcije, zelo kratek, zato je manj\u0161e tveganje za odtekanje zaradi de\u017eevja ali podobnih vremenskih dogodkov.<\/p>\n<p>\u0160tudije ka\u017eejo, da lahko s pravilno opremo in pravilno namestitvijo kaplji\u010dno gnojenje znatno izbolj\u0161a <a href=\"https:\/\/geopard.tech\/sl\/podatki-o-pridelku\/\">donosi pridelkov<\/a>, izbolj\u0161ajo produktivnost vode in drasti\u010dno zmanj\u0161ajo porabo gnojil.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2375\" data-permalink=\"https:\/\/geopard.tech\/sl\/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-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" 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=\"Slabosti fertigacije\" 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>Slabosti fertigacije<\/h2>\n<p>Slabosti sistemov za namakanje so povezane predvsem z ekonomskimi te\u017eavami, saj imajo sistemi z minimalnimi nalo\u017ebami ve\u010djo verjetnost te\u017eav z infrastrukturo in pu\u0161\u010danjem. Brez zelo kakovostne preventivne naprave za povratni tok obstaja veliko tveganje, da bi se vir sladke vode, ki se uporablja za namakanje, onesna\u017eil s fertigirano vodo.<\/p>\n<p>To predstavlja o\u010ditne nevarnosti za zdravje ljudi, pa tudi za zdravje lokalnih pore\u010dij, rastlinstva in \u017eivalstva ter lahko prispeva k splo\u0161nemu onesna\u017eenju lokalnega bioma.<\/p>\n<p>Pri opremi ni\u017eje kakovosti ali starej\u0161i opremi ali cevovodni infrastrukturi, ki se razteza na dolge razdalje, lahko te\u010dejo nedosledne raztopine, saj se gnojilo med pretokom skozi namakalne cevi razred\u010di v vodi, kar zmanj\u0161a u\u010dinkovitost sistema in lahko povzro\u010di prekomerno gnojenje nekaterih polj\u0161\u010din in nezadostno gnojenje drugih.<\/p>\n<p>Glede na kemi\u010dno sestavo namakalne vode obstaja tudi mo\u017enost reakcij med gnojili na osnovi magnezija ali kalcija in morebitnimi bikarbonati v vodi.<\/p>\n<p>To se pogosteje dogaja, kadar je vir vode iz vodnjaka ali podtalnice, v vodi pa so lahko nekoliko vi\u0161je koncentracije apna ali \u017eeleza, raztopljenega v vodi, ki reagirata z gnojili ali pa se samo kopi\u010dita in oborita.<\/p>\n<p>Kemi\u010dno zama\u0161itev lahko poslab\u0161a te\u017eave zaradi nedosledne uporabe hranil pridelkom, saj blokira izhodne to\u010dke v namakalnem sistemu. Re\u0161itve vklju\u010dujejo uravnavanje pH vode ali vbrizgavanje nizkih koncentracij fosfonata v vodo ali \u010drpanje v lo\u010den rezervoar ali zbiralnik, kjer se oborine lahko usedejo, preden se uporabijo gnojila.<\/p>\n<p><strong>Dragocena praksa preciznega kmetijstva<\/strong><\/p>\n<p>Na splo\u0161no se je izkazalo za klju\u010dni del sodobnih kmetijskih sistemov in je imelo ter bo \u0161e naprej igralo pomembno vlogo pri \u0161irjenju izvajanja preciznega kmetijstva.<\/p>\n<p>Fertirigacija premaga omejitve tradicionalne uporabe gnojil z ustvarjanjem vi\u0161je ravni nadzora nad natan\u010dnimi koli\u010dinami in stopnjami, s katerimi se gnojila dajejo pridelkom, in se izvaja po natan\u010dnem urniku z visoko stopnjo uspe\u0161nosti privzema hranil in minimalnimi izgubami.<\/p>\n<p>\u0160e posebej, \u010de se uporablja v sistemu kaplji\u010dnega namakanja, ta praksa utele\u0161a \u0161tevilne temelje preciznega kmetijstva in pomaga upravljavcem zemlji\u0161\u010d pri sprejemanju ekonomskih in trajnostnih odlo\u010ditev o uporabi gnojil, ki ne le pove\u010dajo donose, temve\u010d prispevajo tudi k dolgo\u017eivosti kmetijskega obratovanja.<\/p>\n<hr \/>\n<h2>Pogosta vpra\u0161anja<\/h2>\n<hr \/>\n<p><strong>1. Kako deluje kaplji\u010dno namakanje?<\/strong><\/p>\n<p>Kaplji\u010dno namakanje je u\u010dinkovita metoda dovajanja vlage neposredno koreninam rastlin. Vklju\u010duje mre\u017eo cevi ali cevk z majhnimi luknjicami ali kapljalniki, name\u0161\u010denimi blizu dna rastlin. Skozi te kapljalnike voda po\u010dasi in enakomerno kaplja, kar rastlinam omogo\u010da, da jo u\u010dinkovito absorbirajo brez izgube.<\/p>\n<p>Ta ciljno usmerjen pristop zmanj\u0161uje izhlapevanje in odtekanje, hkrati pa maksimizira absorpcijo vode, spodbuja zdravo rast rastlin in zmanj\u0161uje porabo vode v kmetijstvu in vrtovih. Kaplji\u010dno namakanje zagotavlja, da rastline prejmejo pravo koli\u010dino vode, var\u010duje z viri in podpira trajnostne kmetijske prakse.<\/p>\n<p><strong>2. Kaj pridelovalcu omogo\u010da fertirigacija? Kaj se z njo nana\u0161a na pridelke in tla?<\/strong><\/p>\n<p>Pridelovalcem omogo\u010da, da v eni sami aplikaciji zdru\u017eijo prednosti namakanja in gnojenja.<\/p>\n<p>Omogo\u010da jim, da gnojila dostavljajo neposredno koreninam rastlin prek namakalnega sistema. Ta metoda zagotavlja, da rastline prejmejo potrebna hranila to\u010dno takrat, ko jih potrebujejo, kar izbolj\u0161a njihovo absorpcijo in spodbuja zdravo rast.<\/p>\n<p>Prav tako ponuja bolj\u0161i nadzor nad porazdelitvijo hranil, zmanj\u0161uje odpadke gnojil in omogo\u010da ciljno usmerjeno in u\u010dinkovito upravljanje hranil, kar ima za posledico ve\u010dji pridelek in splo\u0161no produktivnost pridelovalcev.<\/p>\n<p><strong><span class=\"zRhise\"><span class=\"PkjLuf\" title=\"Razlika med namakanjem in fertigacijo\">3. Razlika med namakanjem in fertigacijo?<\/span><\/span><\/strong><\/p>\n<p>Namakanje je postopek oskrbe rastlin z vodo za zadovoljevanje njihovih potreb po vlagi. Vklju\u010duje zagotavljanje vode v tleh z razli\u010dnimi metodami, kot so \u0161kropilniki, namakanje s poplavami ali kaplji\u010dni sistemi. Po drugi strani pa je to praksa nana\u0161anja gnojil na rastline prek namakalnega sistema.<\/p>\n<p><strong>4. Kako deluje gnojilo? Zakaj kmetje uporabljajo gnojila?<\/strong><\/p>\n<p>Gnojila so snovi, ki se dodajajo v zemljo ali rastline, da bi zagotovile esencialna hranila, ki jih v naravnem okolju morda primanjkuje. Gnojila vsebujejo koncentrirane koli\u010dine klju\u010dnih elementov, kot so du\u0161ik, fosfor in kalij, ki so bistveni za rast rastlin.<\/p>\n<p>Ko se gnojila nanesejo na zemljo ali rastline, se raztopijo v vodi in sprostijo ta hranila. Rastline absorbirajo hranila skozi korenine in jih uporabljajo za vitalne procese, kot sta fotosinteza in sinteza beljakovin, kar ima za posledico bolj zdravo in produktivno rast.<\/p>\n<p>Gnojila pomagajo odpraviti pomanjkanje hranil, izbolj\u0161ati rodovitnost tal in podpirati mo\u010dan razvoj rastlin.<\/p>\n<p><strong>5. Kako kmetje zalivajo svoje pridelke?<\/strong><\/p>\n<p>Kmetje zalivajo svoje pridelke z razli\u010dnimi metodami, odvisno od dejavnikov, kot so vrsta pridelka, stanje tal in razpolo\u017eljivost vode. Med pogoste tehnike spadajo nadzemni razpr\u0161ilniki, namakanje po brazdah, namakanje s poplavami in kaplji\u010dno namakanje.<\/p>\n<p>Nadzemni razpr\u0161ilniki razpr\u0161ijo vodo po povr\u0161ini polj\u0161\u010din v obliki drobnih kapljic, podobno kot de\u017eevnica. Namakanje brazd vklju\u010duje ustvarjanje plitvih kanalov med vrstami polj\u0161\u010din in njihovo polnjenje z vodo.<\/p>\n<p>Pri namakanju s poplavami se celotno polje preplavi z vodo, kar ji omogo\u010da, da se vpije v zemljo. Kaplji\u010dno namakanje dovaja vodo neposredno do korenin rastlin prek mre\u017ee cevi ali cevovodov z majhnimi izpustniki, kar zmanj\u0161uje izgubo vode in pove\u010duje u\u010dinkovitost. Kmetje izberejo najprimernej\u0161o metodo glede na svoje specifi\u010dne potrebe in vire.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u010ceprav se v kmetijstvu mo\u010dno zana\u0161amo na gnojila, so njihovi tradicionalni na\u010dini uporabe lahko potratni, njihovo odtekanje pa ima pogosto negativne posledice za ...<\/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":"","_crdt_document":"","content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","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 Premium plugin v21.6 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-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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