Umbhali: Jing Zhao，Zengchan Zhou，Yunlong Bu, njl. Umthombo weendaba：Iteknoloji yoBunjineli bezoLimo (ukulima izityalo eziluhlaza)

Umzi-mveliso wezityalo udibanisa ishishini lanamhlanje, i-biotechnology, i-hydroponics yezakhamzimba kunye netekhnoloji yolwazi ukuze kuphunyezwe ulawulo oluchanekileyo lwezinto ezingqongileyo kwiziko. Ivalwe ngokupheleleyo, ineemfuno eziphantsi kwindalo esingqongileyo, ifinyeza ixesha lokuvunwa kwezityalo, yonga amanzi kunye nesichumiso, kwaye ngenxa yeenzuzo zokuvelisa ii-pesticide ezingezizo kunye nokungakhuphi inkunkuma, ukusebenza kakuhle komhlaba weyunithi kuphindwe ka-40 ukuya kwi-108 kunemveliso yasendle evulekileyo. Phakathi kwazo, umthombo wokukhanya owenziweyo okrelekrele kunye nolawulo lwendalo yokukhanya zidlala indima ebalulekileyo ekusebenzeni kakuhle kwemveliso yazo.

Njengento ebalulekileyo kwindalo esingqongileyo, ukukhanya kudlala indima ebalulekileyo ekulawuleni ukukhula kwezityalo kunye nemetabolism yezinto eziphathekayo. "Enye yezona zinto ziphambili kwifektri yezityalo ngumthombo wokukhanya okwenziweyo kunye nokuphunyezwa kokulawulwa okukrelekrele kwendalo esingqongileyo yokukhanya" kuye kwaba yimvumelwano ngokubanzi kwishishini.

Izityalo zifuna ukukhanya

Ukukhanya kuphela komthombo wamandla we-photosynthesis yezityalo. Ukukhanya okugqithisileyo, umgangatho wokukhanya (i-spectrum) kunye notshintsho oluqhubekayo lokukhanya lunempembelelo enkulu ekukhuleni nasekuphuhlisweni kwezityalo, phakathi kwazo ukukhanya okugqithisileyo kunempembelelo enkulu kwi-photosynthesis yezityalo.

■ Ukukhanya okukhulu

Ubukhali bokukhanya bunokutshintsha indlela ezikhula ngayo izityalo, ezinje ngokudubula, ubude be-internode, ubukhulu besiqu, kunye nobukhulu bamagqabi kunye nobukhulu. Iimfuno zezityalo zobukhali bokukhanya zinokwahlulwa zibe zizityalo ezithanda ukukhanya, ezithanda ukukhanya okuphakathi, kunye nezityalo ezinyamezela ukukhanya okuphantsi. Imifuno ikakhulu zizityalo ezithanda ukukhanya, kwaye iindawo zazo zokuhlawula ukukhanya kunye neendawo zokugcwala kokukhanya ziphezulu. Kwiifektri zezityalo zokukhanya okwenziweyo, iimfuno ezifanelekileyo zezityalo zobukhali bokukhanya zisisiseko esibalulekileyo sokukhetha imithombo yokukhanya okwenziweyo. Ukuqonda iimfuno zokukhanya zezityalo ezahlukeneyo kubalulekile ekuyileni imithombo yokukhanya okwenziweyo, Kuyimfuneko kakhulu ukuphucula ukusebenza kwemveliso kwenkqubo.

■ Umgangatho wokukhanya

Ukusasazwa komgangatho wokukhanya (i-spectral) kukwanefuthe elibalulekileyo kwi-plant photosynthesis kunye ne-morphogenesis (Umfanekiso 1). Ukukhanya yinxalenye yemitha, kwaye imitha yi-electromagnetic wave. Amaza e-electromagnetic aneempawu zamaza kunye neempawu ze-quantum (particle). I-quantum yokukhanya ibizwa ngokuba yi-photon kwintsimi yokulima izityalo. Imitha enobubanzi be-wavelength obuyi-300 ~ 800nm ​​ibizwa ngokuba yi-physiologically active radiation of plants; kwaye imitha enobubanzi be-wavelength obuyi-400 ~ 700nm ibizwa ngokuba yi-photosynthetically active radiation (PAR) yezityalo.

I-Chlorophyll kunye ne-carotenes zezona pigments zibalulekileyo kwi-plant photosynthesis. Umfanekiso 2 ubonisa i-spectral absorption spectrum ye-pigment nganye ye-photosynthetic, apho i-chlorophyll absorption spectrum igxile kwi-red and blue bands. Inkqubo yokukhanyisa isekelwe kwiimfuno ze-spectral zezityalo ukuze zongeze ukukhanya, ukuze kukhuthazwe i-photosynthesis yezityalo.

■ ixesha lofoto
Ubudlelwane phakathi kwe-photosynthesis kunye ne-photomorphogenesis yezityalo kunye nobude bemini (okanye ixesha le-photoperiod) bubizwa ngokuba yi-photoperiodity yezityalo. I-photoperiodity inxulumene kakhulu neeyure zokukhanya, ezibhekisa kwixesha apho isityalo sikhanyiswa khona kukukhanya. Izityalo ezahlukeneyo zifuna inani elithile leeyure zokukhanya ukuze zigqibezele ixesha le-photoperiod ukuze zidubule kwaye zivelise iziqhamo. Ngokwexesha le-photoperiod ezahlukeneyo, inokwahlulwa ibe zizityalo zemini ende, ezifana nekhaphetshu, njl.njl., ezifuna iiyure zokukhanya ezingaphezu kwe-12-14 kwisigaba esithile sokukhula kwayo; izityalo zemini emfutshane, ezifana ne-anyanisi, iisoya, njl.njl., zifuna iiyure zokukhanya ezingaphantsi kwe-12-14; izityalo zelanga eliphakathi, ezifana neekhukhamba, iitumato, iipepile, njl.njl., zinokudubula kwaye zivelise iziqhamo phantsi kwelanga elide okanye elifutshane.
Phakathi kwezinto ezintathu ezikwindalo esingqongileyo, ubukhali bokukhanya sisiseko esibalulekileyo sokukhetha imithombo yokukhanya eyenziweyo. Okwangoku, zininzi iindlela zokubonakalisa ubukhali bokukhanya, kuquka ezi zintathu zilandelayo.
（1）Ukukhanya kubhekisa kubuninzi bomphezulu wokukhanya okukhanyayo (ukukhanya okukhanyayo ngokwendawo yeyunithi) efunyenwe kwindiza ekhanyisiweyo, kwi-lux (lx).

（2）Imitha esebenzayo ngokwefoto, iPAR，Iyunithi：W/m²。

（3）I-PPFD okanye i-PPF ye-photon flux density esebenzayo ngokwe-photosynthesis linani lemitha ye-photosynthesis esebenza ngokwe-photosynthesis efikelela okanye edlula kwixesha leyunithi kunye nendawo yeyunithi, iyunithi：μmol/(m²·s). Ibhekisa kakhulu kubunzulu bokukhanya obuyi-400~700nm obunxulumene ngqo ne-photosynthesis. Ikwayeyona nto isetyenziswa kakhulu kwimveliso yezityalo.

Uhlalutyo lomthombo wokukhanya kwenkqubo yokukhanya eyongezelelweyo eqhelekileyo
Isongezelelo sokukhanya okwenziweyo kukwandisa amandla okukhanya kwindawo ekujoliswe kuyo okanye ukwandisa ixesha lokukhanya ngokufaka inkqubo yokukhanya okongeziweyo ukuze kuhlangatyezwane neemfuno zokukhanya zezityalo. Ngokubanzi, inkqubo yokukhanya okongeziweyo ibandakanya izixhobo zokukhanya okongeziweyo, iisekethe kunye nenkqubo yayo yokulawula. Imithombo yokukhanya eyongezelelweyo ibandakanya iintlobo ezininzi eziqhelekileyo ezifana nezibane ze-incandescent, izibane ze-fluorescent, izibane ze-metal halide, izibane ze-sodium ezinoxinzelelo oluphezulu kunye nee-LED. Ngenxa yokusebenza kakuhle kombane nokubonakalayo okuphantsi kwezibane ze-incandescent, ukusebenza kakuhle kwamandla e-photosynthetic kunye nezinye iziphene, isusiwe yimarike, ngoko ke eli nqaku alenzi uhlalutyo oluneenkcukacha.

■ Isibane se-fluorescent
Izibane ze-fluorescent zezohlobo lwezibane zokukhupha igesi ezinoxinzelelo oluphantsi. Ityhubhu yeglasi izaliswe ngumphunga we-mercury okanye igesi engangeniyo, kwaye udonga lwangaphakathi lwetyhubhu lugqunywe ngumgubo we-fluorescent. Umbala wokukhanya uyahluka ngezinto ze-fluorescent ezigqunywe kwityhubhu. Izibane ze-fluorescent zisebenza kakuhle kwi-spectral, ukusebenza kakuhle kokukhanya okuphezulu, amandla aphantsi, ubomi obude (12000h) xa kuthelekiswa nezibane ze-incandescent, kwaye zibiza kancinci. Ngenxa yokuba isibane se-fluorescent ngokwaso sikhupha ubushushu obuncinci, singasondela kwizityalo zokukhanyisa kwaye sifanelekile ukulima okunemilinganiselo emithathu. Nangona kunjalo, uyilo lwe-spectral lwesibane se-fluorescent alunangqiqo. Eyona ndlela ixhaphakileyo kwihlabathi kukongeza ii-reflectors ukuze kwandiswe iindawo zomthombo wokukhanya ezisebenzayo kwizityalo kwindawo yokulima. Inkampani yaseJapan i-adv-agri ikwaphuhlise uhlobo olutsha lomthombo wokukhanya owongezelelweyo i-HEFL. I-HEFL ngokwenene ikwicandelo lezibane ze-fluorescent. Ligama eliqhelekileyo lezibane ze-fluorescent ze-cathode ezibandayo (CCFL) kunye nezibane ze-fluorescent zangaphandle ze-electrode (EEFL), kwaye sisibane se-fluorescent se-electrode esixutyiweyo. Ityhubhu ye-HEFL incinci kakhulu, inobubanzi obuyi-4mm kuphela, kwaye ubude bungalungiswa ukusuka kwi-450mm ukuya kwi-1200mm ngokweemfuno zokulima. Luhlobo oluphuculweyo lwesibane se-fluorescent esiqhelekileyo.

■ Isibane se-halide yesinyithi
Isibane se-metal halide sisibane sokukhupha umbane esinamandla kakhulu esinokuvuselela izinto ezahlukeneyo ukuba zivelise ubude bamaza ahlukeneyo ngokongeza ii-metal halides ezahlukeneyo (i-tin bromide, i-sodium iodide, njl.njl.) kwityhubhu yokukhupha umbane ngokusekelwe kwisibane se-mercury esinoxinzelelo oluphezulu. Izibane ze-halogen zinokukhanya okuphezulu, amandla aphezulu, umbala okhanyayo olungileyo, ubomi obude, kunye ne-spectrum enkulu. Nangona kunjalo, ngenxa yokuba ukukhanya okusebenzayo kuphantsi kunezibane ze-sodium ezinoxinzelelo oluphezulu, kwaye ubomi bokukhanya bufutshane kunezibane ze-sodium ezinoxinzelelo oluphezulu, okwangoku zisetyenziswa kuphela kwiifektri ezimbalwa zezityalo.

■ Isibane sesodiyam esinoxinzelelo oluphezulu
Izibane zesodium ezinoxinzelelo oluphezulu zezohlobo lwezibane zokukhupha igesi ezinoxinzelelo oluphezulu. Isibane sesodium esinoxinzelelo oluphezulu sisibane esisebenza kakuhle apho umphunga wesodium oxinzelelo oluphezulu uzaliswa kwityhubhu yokukhupha, kwaye kongezwa inani elincinci le-xenon (Xe) kunye ne-mercury metal halide. Ngenxa yokuba izibane zesodium ezinoxinzelelo oluphezulu zinokuguquguquka okuphezulu kwe-electro-optical kunye neendleko eziphantsi zokuvelisa, izibane zesodium ezinoxinzelelo oluphezulu ngoku zezona zisetyenziswa kakhulu ekusetyenzisweni kokukhanya okongezelelweyo kwizibonelelo zezolimo. Nangona kunjalo, ngenxa yokusilela kokusebenza kakuhle kwe-photosynthetic kwi-spectrum yazo, zineengxaki zokusebenza kakuhle kwamandla aphantsi. Kwelinye icala, izinto ze-spectral ezikhutshwa zizibane zesodium ezinoxinzelelo oluphezulu zigxile kakhulu kwi-yellow-orange light band, engenazo ii-spectra ezibomvu neziluhlaza okwesibhakabhaka ezifunekayo ekukhuleni kwezityalo.

■ I-diode ekhupha ukukhanya
Njengesizukulwana esitsha semithombo yokukhanya, ii-diode ezikhupha ukukhanya (ii-LED) zineengenelo ezininzi ezifana nokusebenza kakuhle kokuguqulwa kwe-electro-optical, i-spectrum ehlengahlengiswayo, kunye nokusebenza kakuhle kwe-photosynthetic. I-LED inokukhupha ukukhanya kwe-monochromatic okufunekayo ekukhuleni kwezityalo. Xa kuthelekiswa nezibane eziqhelekileyo ze-fluorescent kunye neminye imithombo yokukhanya eyongezelelweyo, i-LED ineengenelo zokonga amandla, ukhuseleko lokusingqongileyo, ubomi obude, ukukhanya kwe-monochromatic, umthombo wokukhanya okubandayo njalo njalo. Ngokuphuculwa ngakumbi kokusebenza kakuhle kwe-electro-optical kwee-LED kunye nokunciphisa iindleko ezibangelwa yimpembelelo yesikali, iinkqubo zokukhanyisa i-LED ziya kuba zizixhobo eziphambili zokongeza ukukhanya kwizibonelelo zezolimo. Ngenxa yoko, izibane ze-LED zisetyenziswe kwiifektri zezityalo ezingaphezu kwama-99.9%.

Ngokuthelekisa, iimpawu zemithombo eyahlukeneyo yokukhanya eyongezelelweyo zinokuqondwa ngokucacileyo, njengoko kubonisiwe kwiTheyibhile 1.

Isixhobo sokukhanyisa esiphathwayo
Ubukhulu bokukhanya bunxulumene kakhulu nokukhula kwezityalo. Ukulima okunemilinganiselo emithathu kudla ngokusetyenziswa kwiifektri zezityalo. Nangona kunjalo, ngenxa yokunqongophala kolwakhiwo lweerakhi zokulima, ukusasazwa kokukhanya nobushushu obungalinganiyo phakathi kweerakhi kuya kuchaphazela isivuno sezityalo kwaye ixesha lokuvuna aliyi kuhambelana. Inkampani eBeijing iphuhlise ngempumelelo isixhobo sokongeza isibane sokuphakamisa ngesandla (isixhobo sokukhanyisa se-HPS kunye nesixhobo sokukhanyisa i-LED grow) ngo-2010. Umgaqo kukujikeleza i-drive shaft kunye ne-winder ebekwe kuyo ngokushukumisa isiphatho ukuze kujikeleziswe i-reel encinci yefilimu ukuze kufezekiswe injongo yokurhoxa nokukhulula intambo yentambo. Intambo yentambo yesibane sokukhulisa iqhagamshelwe nevili elijikelezayo le-elevator ngeeseti ezininzi zamavili ajikayo, ukuze kufezekiswe isiphumo sokulungisa ukuphakama kwesibane sokukhulisa. Ngo-2017, inkampani ekhankanyiweyo apha ngasentla yayila kwaye yaphuhlisa isixhobo esitsha sokongeza isibane esiphathwayo, esinokulungisa ngokuzenzekelayo ukuphakama kwesibane sokongeza ngexesha langempela ngokweemfuno zokukhula kwesityalo. Isixhobo sokulungisa ngoku sifakwe kwi-rack yokukhulisa enemilinganiselo emithathu yokukhulisa uhlobo lokukhanya. Umaleko ophezulu wesixhobo ulungelelene nemeko yokukhanya engcono kakhulu, ngoko ke uxhotyiswe ngezibane zesodium ezinoxinzelelo oluphezulu; umaleko ophakathi kunye nomaleko osezantsi uxhotyiswe ngezibane ze-LED zokukhulisa kunye nenkqubo yokulungisa ukuphakamisa. Ungayilungisa ngokuzenzekelayo ubude bokukhanya kokukhulisa ukuze kubonelelwe ngendawo efanelekileyo yokukhanyisa izityalo.

Xa kuthelekiswa nesixhobo sokongeza ukukhanya esiphathwayo esenzelwe ukulima okunemilinganiselo emithathu, iNetherlands iphuhlise isixhobo sokongeza ukukhanya kokukhulisa ukukhanya kwe-LED esihamba ngokuthe tye. Ukuze kuthintelwe impembelelo yomthunzi wokukhanya kokukhulisa ekukhuleni kwezityalo elangeni, inkqubo yokukhulisa ukukhanya inokutyhalelwa kumacala omabini ebracket nge-telescopic slide kwicala elithe tye, ukuze ilanga likhanyise ngokupheleleyo kwizityalo; kwiintsuku ezinamafu nezinemvula ngaphandle kokukhanya kwelanga, tyhala inkqubo yokukhulisa ukukhanya embindini webracket ukuze ukukhanya kwenkqubo yokukhulisa ukukhanya kuzalise izityalo ngokulinganayo; hambisa inkqubo yokukhulisa ukukhanya ngokuthe tye nge-slide ekwibracket, kuphephe ukuqhaqha rhoqo nokususa inkqubo yokukhulisa ukukhanya, kwaye unciphise amandla abasebenzi, ngaloo ndlela kuphuculwe ngempumelelo ukusebenza kakuhle komsebenzi.

Iingcamango zoyilo lwenkqubo yokukhanya okuqhelekileyo
Akunzima ukubona kuyilo lwesixhobo esongezelelweyo sokukhanyisa esiphathwayo ukuba uyilo lwenkqubo yokukhanyisa eyongezelelweyo yefektri yezityalo ludla ngokuthatha amandla okukhanya, umgangatho wokukhanya kunye neeparamitha zexesha lokukhanya zamaxesha ahlukeneyo okukhula kwezityalo njengomxholo ophambili woyilo, uxhomekeke kwinkqubo yolawulo ekrelekrele ukuyisebenzisa, ukufezekisa injongo yokugqibela yokonga amandla kunye nesivuno esiphezulu.

Okwangoku, uyilo kunye nokwakhiwa kokukhanya okongezelelweyo kwimifuno enamagqabi kuye kwakhula kancinci kancinci. Umzekelo, imifuno enamagqabi inokwahlulwa ibe ngamanqanaba amane: isigaba sokukhula kwesityalo, esiphakathi sokukhula, esikhula kade, kunye nesigaba sokuphela; imifuno yeziqhamo inokwahlulwa ibe yinqanaba lokukhula kwesityalo, isigaba sokukhula kwezityalo, isigaba sokudubula, kunye nesigaba sokuvuna. Ukusuka kwiimpawu zokukhanya okongezelelweyo, ukukhanya okusemgangathweni kwinqanaba lokukhula kwesityalo kufuneka kube ngaphantsi kancinci, kwi-60 ~ 200 μmol/(m²·s), kwaye emva koko kwande kancinci. Imifuno enamagqabi inokufikelela kwi-100 ~ 200 μmol/(m²·s), kwaye imifuno yeziqhamo inokufikelela kwi-300 ~ 500 μmol/(m²·s) ukuqinisekisa iimfuno zokukhanya okusemgangathweni ze-photosynthesis yesityalo kwixesha ngalinye lokukhula kunye nokuzalisekisa iimfuno zesivuno esiphezulu; Ngokuphathelele umgangatho wokukhanya, umlinganiselo obomvu noluhlaza okwesibhakabhaka ubaluleke kakhulu. Ukuze kwandiswe umgangatho wezithole kwaye kuthintelwe ukukhula okugqithisileyo kwinqanaba lezithole, umlinganiselo obomvu noluhlaza okwesibhakabhaka uhlala ubekwe kwinqanaba eliphantsi [(1~2:1], uze uncitshiswe kancinci ukuze kuhlangatyezwane neemfuno zesimo sokukhanya kwezityalo. Umlinganiselo obomvu noluhlaza okwesibhakabhaka kwimifuno enamagqabi ungamiselwa ku (3~6):1. Kwixesha lefoto, elifana nokukhanya okunamandla, kufuneka libonise umkhwa wokwanda ngokwandiswa kwexesha lokukhula, ukuze imifuno enamagqabi ibe nexesha elingakumbi lephotosynthesis. Uyilo lokongeza ukukhanya kweziqhamo nemifuno luya kuba nzima ngakumbi. Ukongeza kwimithetho esisiseko ekhankanyiweyo apha ngasentla, kufuneka sigxile ekumiselweni kwexesha lefoto ngexesha leentyantyambo, kwaye ukudubula nokuvelisa imifuno kufuneka kukhuthazwe, ukuze kungabi nakubuyela umva.

Kuyafaneleka ukukhankanya ukuba ifomula yokukhanya kufuneka iquke unyango lokugqibela kwiindawo ezikhanyayo. Umzekelo, ukongezwa kokukhanya okuqhubekayo kunokuphucula kakhulu isivuno kunye nomgangatho wezityalo zemifuno enamagqabi e-hydroponic, okanye kusetyenziswe unyango lwe-UV ukuphucula kakhulu umgangatho wesondlo se-sprouts kunye nemifuno enamagqabi (ingakumbi amagqabi amfusa kunye nelettuce yamagqabi abomvu).

Ukongeza ekwenzeni ngcono ukongezwa kokukhanya kwezityalo ezikhethiweyo, inkqubo yokulawula umthombo wokukhanya kwezinye iifektri zezityalo zokukhanya ezenziweyo nayo iphuhliswe ngokukhawuleza kwiminyaka yakutshanje. Le nkqubo yokulawula ngokubanzi isekelwe kwisakhiwo se-B/S. Ulawulo olukude kunye nolawulo oluzenzekelayo lwezinto ezingqongileyo ezifana nobushushu, ukufuma, ukukhanya, kunye noxinzelelo lwe-CO2 ngexesha lokukhula kwezityalo kwenziwa nge-WIFI, kwaye kwangaxeshanye, indlela yemveliso engathintelwanga ziimeko zangaphandle iyafezekiswa. Olu hlobo lwenkqubo yokukhanya okukrelekrele olusebenzisa isibane sokukhulisa i-LED njengomthombo wokukhanya ongezelelweyo, kunye nenkqubo yolawulo olukude olukrelekrele, inokuhlangabezana neemfuno zokukhanya kwe-wavelength yesityalo, ifanelekile ngokukodwa kwindawo yokulima izityalo elawulwa ukukhanya, kwaye inokuhlangabezana neemfuno zemarike.

Amagqabaza okuqukumbela
Iifektri zezityalo zithathwa njengendlela ebalulekileyo yokusombulula iingxaki zezixhobo zehlabathi, inani labantu kunye nokusingqongileyo kwinkulungwane yama-21, kwaye yindlela ebalulekileyo yokufezekisa ukwaneliseka kokutya kwiiprojekthi zobuchwepheshe obuphezulu ezizayo. Njengohlobo olutsha lwendlela yemveliso yezolimo, iifektri zezityalo zisekwinqanaba lokufunda nokukhula, kwaye kufuneka ingqalelo engaphezulu kunye nophando. Eli nqaku lichaza iimpawu kunye neenzuzo zeendlela eziqhelekileyo zokukhanyisa ezongezelelweyo kwiifektri zezityalo, kwaye lazisa iingcamango zoyilo lweenkqubo eziqhelekileyo zokukhanyisa ezongezelelweyo zezityalo. Akunzima ukufumana ngokuthelekisa, ukuze kujongwane nokukhanya okuphantsi okubangelwa yimozulu embi efana namafu aqhubekayo kunye nomswakama kunye nokuqinisekisa imveliso ephezulu nezinzileyo yezityalo zesakhiwo, izixhobo zomthombo wokukhanya we-LED Grow zihambelana kakhulu neendlela zophuhliso zangoku.

Isikhokelo sophuhliso lwexesha elizayo lweefektri zezityalo kufuneka sigxile kwiisensa ezintsha ezichanekileyo nezingabizi kakhulu, iinkqubo zokukhanyisa ze-spectrum ezilawulwa kude, ezihlengahlengiswayo kunye neenkqubo zolawulo lweengcali. Kwangaxeshanye, iifektri zezityalo zexesha elizayo ziya kuqhubeka nokuphuhlisa ukuya kwiindleko eziphantsi, ezikrelekrele, nezizilungelelanisayo. Ukusetyenziswa kunye nokusasazwa kwemithombo yokukhanya kwe-LED kubonelela ngesiqinisekiso solawulo oluchanekileyo lwendalo oluphezulu lweefektri zezityalo. Ulawulo lwendalo yokukhanya kwe-LED yinkqubo enzima equka ulawulo olupheleleyo lomgangatho wokukhanya, ubukhali bokukhanya, kunye ne-photoperiod. Iingcali kunye neengcali ezifanelekileyo kufuneka zenze uphando olunzulu, zikhuthaza ukukhanya okongeziweyo kwe-LED kwiifektri zezityalo zokukhanya okwenziweyo.