Kako lahko diagnosticiramo pomanjkanje du\u0161ika pri rastlinah?<\/h2>\n
Ne bi smelo biti presenetljivo, da so najzgodnej\u0161i znaki pomanjkanja pri rastlinah pogosto znaki slabega zdravja. Sledi seznam najpogostej\u0161ih vizualnih simptomov, ki so povezani z nezadostnim vnosom du\u0161ika:<\/p>\n
- \n
- Spodnji listi so rumeni, vi\u0161ji na rastlini pa so svetlej\u0161ega odtenka zelene.<\/li>\n
- Slabo razviti poganjki ali veje.<\/li>\n
- Na steblih nekaterih rastlin boste morda lahko opazili vijoli\u010dne vzorce.<\/li>\n
- Listi bodo s\u010dasoma porjaveli, oveneli in odpadli, ko se proces staranja nadaljuje.<\/li>\n
- Cvetenje in plodovi se bodo zmanj\u0161ali.<\/li>\n
- Zaostanek v rasti rastlin.<\/li>\n
- Upo\u010dasnitev nastajanja novih listov.<\/li>\n
- \u010ce se bo to pomanjkanje nadaljevalo, bo to znatno vplivalo na kmetijsko proizvodnjo.<\/li>\n<\/ul>\n
![\"""Kako\"](\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/06\/65.3-min.jpg?resize=810%2C439&ssl=1\")
<\/p>\nPreden pa se lotimo zdravljenja pomanjkanja du\u0161ika pri rastlinah, je pomembno upo\u0161tevati, da so vizualni znaki pomanjkanja mnogih drugih hranil podobni.<\/p>\n
Kako odpraviti pomanjkanje du\u0161ika v rastlinah in tleh?<\/h2>\n
Pomanjkanje du\u0161ika lahko \u0161kodljivo vpliva na rast in produktivnost rastlin, vendar se ga je mogo\u010de s pravimi strategijami u\u010dinkovito znebiti.<\/p>\n
Z uvedbo celovitega pristopa, ki vklju\u010duje testiranje tal, vgrajevanje organskih snovi, uravnote\u017eeno gnojenje, pokrovne posevke stro\u010dnic, listno hranjenje in kolobarjenje, lahko vrtnarji in kmetje uspe\u0161no odpravijo pomanjkanje du\u0161ika v rastlinah.<\/p>\n
1. Testiranje tal:<\/strong> Preden se izvedejo kakr\u0161ni koli korektivni ukrepi, je klju\u010dnega pomena opraviti test tal za oceno ravni hranil, vklju\u010dno z du\u0161ikom. Testiranje tal zagotavlja dragocen vpogled v trenutno sestavo hranil in omogo\u010da ustrezne prilagoditve.<\/p>\n
2. Organske snovi in kompost<\/strong>Vna\u0161anje organskih snovi v tla je u\u010dinkovita dolgoro\u010dna re\u0161itev za pomanjkanje du\u0161ika. Organski materiali, kot so kompost, gnoj in pokrovni pridelki, vsebujejo du\u0161ik v organskih oblikah, ki se postopoma spro\u0161\u010dajo v tla in zagotavljajo trajen vir hranil.<\/p>\n
3. Uravnote\u017eeno gnojenje<\/strong>Uporaba gnojil, bogatih z du\u0161ikom, lahko hitro odpravi pomanjkanje du\u0161ika. Vendar je bistveno najti ravnovesje in se izogniti prekomernemu gnojenju, saj lahko prekomerni du\u0161ik povzro\u010di onesna\u017eenje okolja in neravnovesje v rasti rastlin. Za dolo\u010ditev ustrezne koli\u010dine potrebnega du\u0161ikovega gnojila se posvetujte s strokovnjakom ali si oglejte priporo\u010dila za teste tal.<\/p>\n
4. Stro\u010dnice, pokrovni posevki<\/strong>Vklju\u010ditev stro\u010dnic, kot sta detelja ali lucerna, v kolobarjenje lahko izbolj\u0161a razpolo\u017eljivost du\u0161ika v tleh. Stro\u010dnice imajo edinstveno sposobnost tvorjenja simbiotskih odnosov z bakterijami, ki ve\u017eejo du\u0161ik, in pretvarjajo atmosferski du\u0161ik v obliko, ki jo lahko uporabijo rastline.<\/p>\n
5. Foliarno hranjenje<\/strong>V primerih, ko je potrebno takoj\u0161nje ukrepanje, lahko foliarno \u0161kropljenje zagotovi za\u010dasno re\u0161itev za rastline, ki jim primanjkuje du\u0161ika. Gnojila, bogata z du\u0161ikom, v teko\u010di obliki se lahko nanesejo neposredno na liste, kar omogo\u010da hitro absorpcijo in kratkoro\u010dno odpravljanje pomanjkanja.<\/p>\n
6. Kolobarjenje<\/strong>Kolobarjenje polj\u0161\u010din, ki potrebujejo du\u0161ik, z rastlinami, ki ve\u017eejo du\u0161ik, ali pokrovnimi polj\u0161\u010dinami lahko pomaga ohranjati rodovitnost tal in zmanj\u0161ati pojav pomanjkanja du\u0161ika. Ta praksa prepre\u010duje iz\u010drpavanje hranil z diverzifikacijo rastlinskih vrst in njihovih potreb po hranilih.<\/p>\n
Spremenljiva hitrost doziranja du\u0161ika (VRN): Kako deluje?<\/h2>\n
Zaradi tehnolo\u0161kega napredka na podro\u010dju daljinskega zaznavanja je mogo\u010de natan\u010dno odra\u017eati stanje du\u0161ika v polj\u0161\u010dinah na polju z uporabo gnojil. To usmerja aplikator, opremljen z GPS-om, da med premikanjem po polju nanese pravilno koli\u010dino gnojila z najbolj\u0161o mo\u017eno hitrostjo.<\/p>\n
Na trosilniku gnojil so senzorji, ki spremljajo odboj svetlobe pridelka pri razli\u010dnih valovnih dol\u017einah, ki so pomembne za koncentracijo klorofila in biomaso pridelka. Vsak od teh senzorjev ima svoj vir svetlobe, kar jim omogo\u010da delovanje neodvisno od okoli\u0161kega svetlobnega okolja.<\/p>\n
![\"Spremenljiva](\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/06\/65.2-min.jpg?resize=810%2C439&ssl=1\")
<\/p>\nPotreba po du\u0161iku se vsako sekundo izra\u010duna na ra\u010dunalniku z uporabo algoritmov, ustvarjenih iz podatkov, zbranih med poskusi na polju. Te informacije se nato po\u0161ljejo aplikatorju s spremenljivo koli\u010dino gnojila ali \u0161kropilnici, ki sproti prilagaja koli\u010dino gnojila na polju.<\/p>\n
Prednosti VRN-ja<\/h2>\n
Tukaj je nekaj pomembnih prednosti spremenljive koli\u010dine du\u0161ika (VRN):<\/p>\n
- \n
- Povpre\u010dno pove\u010danje skupnega donosa za 4,65 odstotka.<\/li>\n
- U\u010dinkovito ciljanje vlo\u017ekov.<\/li>\n
- Ohranjanje in celo pove\u010danje ravni beljakovin v \u017eitih.<\/li>\n
- Bolj enotna kro\u0161nja pridelka.<\/li>\n
- Zmanj\u0161ana verjetnost, da boste zboleli zaradi nastanitve ali bolezni.<\/li>\n
- Pove\u010danje u\u010dinkovitosti pri uporabi du\u0161ika (u\u010dinkovitost rabe du\u0161ika: NUE<\/a>).<\/li>\n<\/ul>\n
Kaj so zemljevidi du\u0161ikovih gnojil?<\/h2>\n
Zahvaljujo\u010d predpisanim kartam je mogo\u010de izvajati gnojenje s spremenljivo koli\u010dino. Omogo\u010da optimizacijo odmerjanja gnojila z navezovanjem ustrezne koli\u010dine gnojila na posamezen del polja. To je klju\u010dna to\u010dka pri razpravi o uporabi du\u0161ikovih gnojil pri \u017eitih.<\/p>\n
Pomanjkanje du\u0161ika v rastlinah povzro\u010di zmanj\u0161anje pridelka in kakovosti, medtem ko prekomerna koli\u010dina povzro\u010da skrbi za okolje in pove\u010duje stro\u0161ke kmetijske dejavnosti.<\/p>\n
Izdelava receptnih kart je sestavljena iz treh faz:<\/p>\n
- \n
- Prepoznavanje delov polja, ki so skladni glede odmerka du\u0161ika.<\/li>\n
- Izbira metode gnojenja.<\/li>\n
- Dolo\u010danje ustrezne koli\u010dine du\u0161ikovih gnojil za rastline, ki jih je treba uporabiti na vsakem odseku polja.<\/li>\n<\/ol>\n
Kako izra\u010dunati du\u0161ik za rastline v vre\u010di gnojila?<\/h2>\n
Naj vas ne zavede ogromna koli\u010dina du\u0161ika, prikazana na vre\u010dki gnojila; to je \u0161tevilka, ki je prva v analizi NPK. Izra\u010dun skupnega du\u0161ika v pakiranju gnojila se lahko izvede z oceno funtov du\u0161ika na tiso\u010d kvadratnih metrov.<\/p>\n
\u010ce te\u017eo vre\u010de gnojila pomno\u017eite z odstotkom du\u0161ika, ki ga gnojilo vsebuje (prva \u0161tevilka v oznaki NPK, ki jo najdete na sprednji strani vre\u010de), boste dobili \u0161tevilo funtov du\u0161ika, ki ga gnojilo vsebuje. Nato skupno \u0161tevilo funtov du\u0161ika delite s povr\u0161ino, ki jo vre\u010da zahteva.<\/p>\n
Slu\u017eil bo za dolo\u010ditev \u0161tevila kilogramov du\u0161ika, ki ga bodo rastline potrebovale na 1000 kvadratnih metrov. Upo\u0161tevajte, da se gnojilo pogosto prodaja v vre\u010dah, ki merijo 5000 ali 10000 kvadratnih metrov.<\/p>\n
Zaprosite za pomo\u010d pri kmetijskih platformah<\/h2>\n
Veliko preprosteje je zaprositi za pomo\u010d pri kmetijskih platformah, kot je GeoPard. Razlog za to je, da ponujajo razli\u010dne re\u0161itve, ki lahko vklju\u010dujejo, vendar niso omejene na naslednje:<\/p>\n
- \n
- Vzpostavitev obmo\u010dij upravljanja in priprava predpisov ter karte nana\u0161anja s spremenljivo hitrostjo<\/a> vam lahko pomaga najti in nadzorovati te\u017eavna mesta na va\u0161i kmetiji.<\/li>\n
- Analize podatkov o tleh (analiza podatkov o tleh<\/a>) za izdelavo predpisanih kart za gnojenje s spremenljivo stopnjo gnojenja v kmetijstvu in pridobitev celovitih kart lastnosti tal.<\/li>\n
- Podatki o donosu<\/a> se lahko uporabijo za sprejemanje bolj informiranih odlo\u010ditev in pove\u010danje u\u010dinkovitosti rasti.<\/li>\n<\/ul>\n
\nPogosta vpra\u0161anja<\/h2>\n
\n1. Kako pride do pomanjkanja du\u0161ika v tleh?<\/strong><\/p>\n
Pomanjkanje du\u0161ika v tleh se lahko pojavi zaradi naravnih dejavnikov, kot so izpiranje in izhlapevanje, neuravnote\u017eene prakse gnojenja, absorpcija s strani pridelka in nizka vsebnost organske snovi. Klju\u010dnega pomena je, da se to pomanjkanje odpravi z ustreznim gnojenjem, vgrajevanjem organske snovi in trajnostnimi kmetijskimi praksami, da se zagotovi optimalna rast in produktivnost rastlin.<\/p>\n
2. Kako izra\u010dunati du\u0161ik v gnojilu?<\/strong><\/p>\n
Za izra\u010dun koli\u010dine du\u0161ika v gnojilu:<\/p>\n
- \n
- Preverite oznako gnojila za vsebnost du\u0161ika, ki jo predstavljajo tri \u0161tevilke v razmerju NPK. \u010ce je na primer razmerje 10-10-10, to pomeni, da gnojilo vsebuje du\u0161ik 10%.<\/li>\n
- Dolo\u010dite te\u017eo gnojila, ki ga nameravate uporabiti. Na primer, \u010de imate 1 kilogram gnojila, je 10% (0,1 kilograma) du\u0161ika.<\/li>\n
- Te\u017eo du\u0161ika pretvorite v pogosteje uporabljeno enoto, kot so grami. V tem primeru je 0,1 kilograma enako 100 gramom du\u0161ika.<\/li>\n
- Izra\u010dunano koli\u010dino uporabite za dolo\u010ditev ustrezne koli\u010dine gnojila glede na specifi\u010dne potrebe va\u0161ih rastlin, pri \u010demer upo\u0161tevajte dejavnike, kot so stanje tal in \u017eelena rast.<\/li>\n<\/ul>\n
3. Kako rastline pridobivajo du\u0161ik? Kako jim pomaga in kako ga proizvedejo?<\/strong><\/p>\n
Rastline ne morejo neposredno proizvajati du\u0161ika. Du\u0161ik pridobivajo z absorpcijo iz zemlje, fiksacijo du\u0161ika s simbiotskimi bakterijami v stro\u010dnicah, razgradnjo organske snovi in absorpcijo iz gnojil. Ti mehanizmi rastlinam zagotavljajo potreben du\u0161ik za njihovo rast in razvoj.<\/p>\n
4. Ali je du\u0161ik v rastlinah mobilen?<\/strong><\/p>\n
Da, du\u0161ik je v rastlinah mobilen. Du\u0161ik se znotraj rastline zlahka prena\u0161a iz starej\u0161ih tkiv v mlaj\u0161a s postopkom, znanim kot translokacija. Ko v dolo\u010denih delih rastline primanjkuje du\u0161ika, se lahko mobilizira iz starej\u0161ih listov ali skladi\u0161\u010dnih organov in prerazporedi na obmo\u010dja, kjer je potreben za rast in razvoj.<\/p>\n
Ta mobilnost du\u0161ika omogo\u010da u\u010dinkovito razporeditev virov in zagotavlja, da lahko rastline dajo prednost bistvenim funkcijam v \u010dasu omejene razpolo\u017eljivosti du\u0161ika.<\/p>\n
5. Kako izra\u010dunati pridelek koruze?<\/strong><\/p>\n
Za izra\u010dun pridelka koruze sledite tem korakom:<\/p>\n
- \n
- Izmerite dol\u017eino u\u0161esa<\/strong>Izmerite dol\u017eino reprezentativnega vzorca koruznih klasov od dna do vrha. Opravite ve\u010d meritev in izra\u010dunajte povpre\u010dno dol\u017eino klasa.<\/li>\n
- \u0160tevilo vrstic na uho<\/strong>Pre\u0161tejte \u0161tevilo vrstic na vsakem koruznem stor\u017eu. Ponovno pre\u0161tejte ve\u010d stor\u017eev in izra\u010dunajte povpre\u010dno \u0161tevilo vrstic na stor\u017e.<\/li>\n
- Merilni komplet za zrnje<\/strong>Izberite naklju\u010dni vzorec koruznih klasov in pre\u0161tejte \u0161tevilo popolnoma razvitih zrn na vrsto. To storite za ve\u010d klasov in izra\u010dunajte povpre\u010dno \u0161tevilo zrn na vrsto.<\/li>\n
- Dolo\u010dite obmo\u010dje \u017eetve<\/strong>Izmerite povr\u0161ino polja ali parcele, s katere je bila pobrana koruza.<\/li>\n<\/ul>\n
Pomno\u017eite povpre\u010dno dol\u017eino klasja s povpre\u010dnim \u0161tevilom vrst na klas, da izra\u010dunate \u0161tevilo zrn na klas. Nato pomno\u017eite povpre\u010dno \u0161tevilo zrn na vrsto s \u0161tevilom zrn na klas, da dobite skupno \u0161tevilo zrn. Nazadnje delite skupno \u0161tevilo zrn s povr\u0161ino \u017eetve, da dolo\u010dite pridelek koruze, ki je obi\u010dajno izra\u017een v bu\u0161elih na hektar.<\/p>","protected":false},"excerpt":{"rendered":"
Pomanjkanje du\u0161ika pri rastlinah se pojavi, ko ne prejmejo zadostne koli\u010dine du\u0161ika iz zemlje ali okolice. To je eno ...<\/p>","protected":false},"author":210157960,"featured_media":5243,"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_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":[1372],"tags":[1637],"class_list":["post-5241","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-plant-protection"],"acf":[],"yoast_head":"\n
Calculation of Nitrogen Deficiency Map Based On Target Yield \ud83d\udccd<\/title>\n<meta name=\"description\" content=\"It is essential to minimize nitrogen deficiency in plants and efficiently manage it since it can potentially slow growth and lower yields. \ud83d\udcca\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geopard.tech\/sl\/blog\/kaj-je-pomanjkanje-dusika-in-kako-ga-odpraviti-pri-rastlinah\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculation of Nitrogen Deficiency Map Based On Target Yield \ud83d\udccd\" \/>\n<meta property=\"og:description\" content=\"It is essential to minimize nitrogen deficiency in plants and efficiently manage it since it can potentially slow growth and lower yields. \ud83d\udcca\" \/>\n<meta property=\"og:url\" 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list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} - \u0160tevilo vrstic na uho<\/strong>Pre\u0161tejte \u0161tevilo vrstic na vsakem koruznem stor\u017eu. Ponovno pre\u0161tejte ve\u010d stor\u017eev in izra\u010dunajte povpre\u010dno \u0161tevilo vrstic na stor\u017e.<\/li>\n
- Izmerite dol\u017eino u\u0161esa<\/strong>Izmerite dol\u017eino reprezentativnega vzorca koruznih klasov od dna do vrha. Opravite ve\u010d meritev in izra\u010dunajte povpre\u010dno dol\u017eino klasa.<\/li>\n
- Analize podatkov o tleh (analiza podatkov o tleh<\/a>) za izdelavo predpisanih kart za gnojenje s spremenljivo stopnjo gnojenja v kmetijstvu in pridobitev celovitih kart lastnosti tal.<\/li>\n
- Vzpostavitev obmo\u010dij upravljanja in priprava predpisov ter karte nana\u0161anja s spremenljivo hitrostjo<\/a> vam lahko pomaga najti in nadzorovati te\u017eavna mesta na va\u0161i kmetiji.<\/li>\n