Vim lawv cov txiaj ntsig, suav nrog kev txuag hluav taws xob, kev ua haujlwm siab, kev hloov kho spectrum, thiab lub neej ntev, LED cog kev loj hlob teeb tau dhau los ua cov cuab yeej tseem ceeb los hloov lub teeb ntuj thiab ua kom muaj kev noj qab haus huv ntawm cov nroj tsuag nrog kev loj hlob sai ntawm cov chaw ua liaj ua teb, cog hauv tsev, vaj tsev, thiab kev ua liaj ua teb ntsug [3]. Cov neeg cog qoob loo, cov neeg yuav khoom, thiab cov kws tshaj lij kev lag luam feem ntau nug lawv tus kheej "cov xim ntawm LED twg yog qhov haum rau cov nroj tsuag loj hlob" tiag tiag - lub ntiaj teb cog cov xwm txheej. Cov xim sib txawv ntawm LED teeb sib xws rau qhov sib txawv wavelengths, thiab lawv cov teebmeem ntawm cov nroj tsuag photosynthesis, kev loj hlob voj voog, thiab kev loj hlob ntawm morphological txawv heev. Cov qoob loo zoo thiab kev cog qoob loo yog cuam tshuam ncaj qha los ntawm kev xaiv lub teeb xim.
Core Requirements for Plant Growth: Cov Ntsiab Cai Ua Haujlwm ntawm LED Teeb Xim
Photosynthesis, uas yog raws li photosynthetic pigments zoo li chlorophyll absorbing lub teeb ntawm tej wavelengths los hloov lub teeb lub zog rau hauv tshuaj zog thiab muab lub zog uas yuav tsum tau rau kev loj hlob, flowering, thiab fruiting, yog ib qho tseem ceeb rau cog kev loj hlob. Tsuas yog qee qhov wavelengths ntawm lub teeb tuaj yeem nqus tau zoo thiab siv los ntawm cov nroj tsuag, txawm tias cov xim LED sib txawv sib haum rau cov wavelengths tshwj xeeb ( ntsuas hauv nanometers). Yog li ntawd, tsis yog txhua txhua LED xim yog tsim nyog rau cov nroj tsuag loj hlob. Tshwj xeeb, qhov tseem ceeb spectral band rau cov nroj tsuag kev loj hlob yog 400-700 nm ntau, kuj hu ua Photosynthetically Active Radiation (PAR); nyob rau hauv qhov ntau, LEDs ntawm ntau yam xim (thiab yog li sib txawv wavelengths) muaj qhov sib txawv ntawm cov nroj tsuag loj hlob. Lub tswv yim tseem ceeb tom qab xaiv cov xim LED yog "ua kom haum rau theem kev loj hlob thiab cov kev xav tau ntawm cov nroj tsuag"; tsis muaj ib qho, zoo meej "zoo tshaj" xim; Hloov chaw, muaj cov xim sib xyaw ua ke thiab cov kev xaiv uas "zoo tshaj plaws" rau txoj haujlwm.
Core LED Xim Zoo Tshaj Plaws rau Kev Loj Hlob - thiab Lawv Cov Haujlwm
(1) Lub teeb liab (Wavelength: 600–700 nm; Cov Lus Qhia Tseem Ceeb): Raws li "thawj tsav tsheb" ntawm cov nroj tsuag photosynthesis, lub teeb liab feem ntau txhawb cov synthesis ntawm chlorophyll thiab tsim cov carbohydrates. Nws ua rau cov qoob loo ntau ntxiv thiab zoo los ntawm kev ua kom cov txiv hmab txiv ntoo ripening, paj bud sib txawv, thiab qia elongation. Rau feem ntau cov nroj tsuag, suav nrog txiv lws suav, strawberries, thiab roses, lub teeb liab ntawm li 660 nm yog tshwj xeeb tshaj yog pab tau nyob rau hauv lub paj thiab fruiting theem. Lub teeb liab ntxiv tuaj yeem ua kom lub paj tshwm sim sai, nce paj loj, thiab txhim kho cov txiv hmab txiv ntoo qab zib. Lub teeb liab yuav tsum tau siv ua ke nrog lwm lub teeb xim vim tias nws tuaj yeem ua rau cov nroj tsuag ua lanky (etiolated) thiab tsim cov nplooj nyias thaum siv ib leeg.
(2) Lub teeb xiav (wavelength: 400–500 nm; Cov Lus Qhia Tseem Ceeb). Nws tsuas yog tswj cov morphology ntawm cov nroj tsuag, txhawb kev loj hlob ntawm cov hauv paus system thiab nthuav tawm ntawm nplooj thaum tiv thaiv legginess. Qhov no ua rau cov nplooj tuab, muaj zog dua thiab muaj zog stems. Lub teeb xiav, uas muaj lub wavelength ntawm 450 nm, yog qhov zoo tagnrho rau ob qho tib si kev loj hlob theem ntawm cov nroj tsuag, xws li nplooj ntsuab xws li spinach thiab lettuce, thiab cov yub theem, qhov uas nws zoo khaws cov noob los ntawm kev loj hlob lanky thiab ua rau cov nroj tsuag muaj kev cuam tshuam rau ib puag ncig kev ntxhov siab. Lub teeb xiav tsis txaus tuaj yeem ua rau spindly stems thiab withering nplooj, uas yuav cuam tshuam ntxiv kev loj hlob thiab kev loj hlob.
(3) Tag Nrho Spectrum (Natural Light Simulation; Tag Nrho Cov Lus Qhia): Qhov spectrum no, uas zoo ib yam li lub hnub ci ntuj thiab tuaj yeem ua tau raws li cov nroj tsuag xav tau thoob plaws nws lub neej, yog tsim los ntawm kev sib xyaw ntawm cov wavelengths sib txawv, xws li liab, xiav, ntsuab, thiab me ntsis deb ntawm - lub teeb liab. Lub teeb mos, maj mam tsim los ntawm tag nrho - spectrum LED teeb txhawb kev tawg paj thiab txiv hmab txiv ntoo ntawm cov qoob loo uas dais paj nrog rau kev loj hlob ntawm nplooj ntsuab. Nws kuj yog dav haum nyob rau hauv ib puag ncig xws li sab hauv tsev horticulture thiab vaj tsev vim nws yog tsim los ntawm tib neeg kev pom kev nplij siab hauv siab. Nws ua haujlwm zoo heev rau succulents thiab foliage nroj tsuag uas tsis muaj cov kev cai nruj heev. Nws qhov tsis zoo tseem ceeb yog tias nws kim dua me ntsis thiab muaj qhov ua tau zoo ntawm photosynthetic qis dua li cov xim liab ntshiab - xiav lub teeb ua ke.
(4) Far- Lub teeb liab (Wavelength: 700–800 nm; Kev Pom Zoo Ntxiv): Far- lub teeb liab cuam tshuam rau phytochrome system thiab feem ntau yog siv los tswj cov nroj tsuag flowering cycles thiab morphology. Nws yog ib qho zoo meej ntxiv rau cov paj ntoo xws li roses thiab chrysanthemums vim nws tuaj yeem ua kom cov txheej txheem paj ntoo hauv cov qoob loo ornamental thaum tseem txhawb nqa qia elongation. Hauv kev cog qoob loo uas xav tau kev tswj hwm lub sijhawm tawg paj, deb - lub teeb liab feem ntau yog ua haujlwm nrog lub teeb liab thiab xiav.
Cov lus pom zoo rau kev xaiv xim LED hla kev cog qoob loo sib txawv
(1) Kev Ua Vaj Tsev Hauv Tsev (Succulents, Foliage Plants, Small Flowering Plants): Tag nrho -spectrum LEDs yog qhov kev xaiv ntawm no. Lawv tawm lub teeb muag muag, muaj kev hloov pauv tau zoo, thiab tuaj yeem ua tau raws li tag nrho - lub voj voog loj hlob ntawm ntau cov nroj tsuag hauv tsev thaum tseem tsis tau - glaring thiab zoo - haum rau ib puag ncig sab hauv tsev. Yog tias cog cov paj me me (xws li Kalanchoe), xim liab -xiav lub teeb ua ke (nrog rau liab - rau -xiav piv ntawm 6: 1 txog 9: 1) tuaj yeem xaiv los txhawb kev paj.
(2) Kev cog qoob loo hauv tsev cog khoom (txiv lws suav, Strawberries, zaub, paj): Txij li thaum lub teeb ntuj twb muab dav spectrum, cov teeb pom kev zoo ntxiv yuav tsum ua kom pom tseeb ntawm lub teeb liab -xiav xiav ua ke-tshwj xeeb yog tsom rau ntxiv 660nm liab lub teeb thiab 450nm xiav lub teeb pom kev zoo dua {{5}ticield 2% boosts efficiency thiab boost 1% ntau dua. Rau cov paj uas xav tau kev tswj hwm lub paj (xws li chrysanthemums thiab roses), deb - lub teeb liab tuaj yeem muab tso rau hauv cov phiaj xwm teeb pom kev zoo.
(3) Sab Hauv Tsev Ua Liaj Ua Teb & Nroj Tsuag Factories (Nplooj Ntsuab, Cov Nroj Tsuag): Thaum tsis muaj lub teeb ntuj, lub teeb liab -xiav xiav ua ke yog qhov kev xaiv (nrog rau ntau dua ntawm lub teeb xiav rau nplooj ntsuab, thiab ntau dua ntawm lub teeb liab rau paj thiab txiv hmab txiv ntoo qoob loo). Qhov kev xaiv no muaj kev ua tau zoo luminous thiab lub zog ua haujlwm, ua rau nws zoo tagnrho rau ntau -tiered ntsug cultivation setups. Yog tias lub hom phiaj tseem ceeb yog kom ua tiav cov qoob loo zoo, tag nrho - spectrum LEDs yuav raug xaiv.
(4) Seedling Propagation & Tissue Culture: Qhov tseem ceeb yuav tsum tau muab rau lub teeb liab - xiav lub teeb ua ke nrog ntau dua ntawm lub teeb xiav (nrog xiav - rau - liab piv ntawm 4: 1). Qhov no pab inhibit etiolation (kab elongation) thaum txhawb kev loj hlob hauv paus thiab nplooj, yog li tso lub hauv paus ruaj khov rau kev loj hlob tom ntej.
Cov kev xav tsis zoo thiab ceev faj hauv kev xaiv cov khoom
(1) Kev ntseeg yuam kev 1: Ib qho xim LED yog qhov zoo tshaj plaws rau kev loj hlob ntawm cov nroj tsuag . - Qhov tseeb, tsis muaj "universal xim." Lub teeb liab ib leeg tuaj yeem ua rau etiolation (stretching), thaum lub teeb xiav ib leeg tuaj yeem cuam tshuam kev loj hlob. Yog li ntawd, kev xaiv ntawm ib qho tseem ceeb xim los yog ib qho kev sib xyaw ntawm cov xim yuav tsum tau ua kom haum rau cov hom qoob loo tshwj xeeb thiab nws qhov kev loj hlob tam sim no.
(2) Kev tsis pom zoo 2: Cov xim ci dua, qhov zoo dua rau cov nroj tsuag kev loj hlob . - LED brightness (lub teeb siv) tsuas yog ib qho tseem ceeb xws li xim thiab yuav tsum tau sib phim rau cov nroj tsuag cov kev xav tau tshwj xeeb; Piv txwv li, seedlings yuav tsum tau siv tsawg lub teeb, whereas fruiting nroj tsuag yuav tsum tau high light siv. Kev siv lub teeb ntau dhau tuaj yeem ua rau cov nroj tsuag nplooj.
(3) Kev txiav txim siab tseem ceeb: Thaum xaiv cov qauv teeb pom kev zoo, siv xim kub raws li cov lus qhia pabcuam. Lub teeb sov sov (3000-3500K) yog nplua nuj nyob rau hauv lub teeb liab thiab haum rau paj thiab fruiting qoob loo; nruab nrab lub teeb dawb (4000-5000K) nta qhov sib npaug thiab tsim nyog rau theem kev loj hlob sib xyaw; thiab txias dawb lub teeb (5000-6500K) yog nplua nuj nyob rau hauv xiav lub teeb, ua rau nws haum rau nplooj ntsuab thiab yub theem. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tsum tau saib xyuas cov Photosynthetic Photon Flux Density (PPFD) kom ntseeg tau tias lub teeb zoo absorbed los ntawm cov nroj tsuag.
Plaase xav tiv tauj peb txhua lub sijhawm yog tias koj muaj lus nug txog kev xaiv xim, kev yuav khoom, lossis daim ntawv thov tsim nyog ntawm LED cog teeb pom kev zoo -lossis yog tias koj xav tau cov xim tshwj xeeb thiab cov kev daws teeb meem tsim rau koj cov qoob loo tshwj xeeb (xws li nplooj ntsuab, paj thiab txiv hmab txiv ntoo, lossis succulents) thiab thaj chaw cog qoob loo (xws li tsev cog khoom, tsev cog khoom).
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