Kafukufuku pa Mchitidwe wa Kuunikira Kowonjezera kwa LED pa Zokolola Kuchulukitsa Mphamvu ya Hydroponic Letesi ndi Pakchoi mu Greenhouse mu Zima

Kafukufuku pa Mchitidwe wa Kuunikira Kowonjezera kwa LED pa Zokolola Kuchulukitsa Mphamvu ya Hydroponic Letesi ndi Pakchoi mu Greenhouse mu Zima
[Zachidziwikire] Nyengo yozizira ku Shanghai nthawi zambiri imakumana ndi kutentha pang'ono komanso kutsika kwadzuwa, ndipo kukula kwa masamba amasamba a hydroponic mu wowonjezera kutentha kumakhala pang'onopang'ono ndipo nthawi yopanga ndi yayitali, yomwe singakwaniritse kufunikira kwa msika.M'zaka zaposachedwa, nyali zowonjezera zamtundu wa LED zayamba kugwiritsidwa ntchito pakulima ndi kupanga wowonjezera kutentha, kumlingo wakutiwakuti, kuti apange chilema chomwe kuwala kwatsiku ndi tsiku kumasokonekera mu wowonjezera kutentha sikungakwaniritse zosowa za kukula kwa mbewu pomwe kuwala kwachilengedwe kuli. osakwanira.Mu kuyesera, mitundu iwiri ya magetsi owonjezera a LED okhala ndi kuwala kosiyanasiyana adayikidwa mu wowonjezera kutentha kuti achite kuyesa kowonjezera kupanga hydroponic letesi ndi tsinde lobiriwira m'nyengo yozizira.Zotsatira zinasonyeza kuti mitundu iwiri ya nyali za LED zimatha kuwonjezera kulemera kwatsopano pa chomera cha pakchoi ndi letesi.Kuchuluka kwa zokolola za pakchoi kumawonekera makamaka pakusintha kwamphamvu kwamalingaliro monga kukula kwa masamba ndi kukhuthala, ndipo kuchuluka kwa zokolola za letesi kumawonekera makamaka pakuwonjezeka kwa masamba ndi zinthu zowuma.

Kuwala ndi gawo lofunika kwambiri pakukula kwa mbewu.M'zaka zaposachedwa, nyali za LED zakhala zikugwiritsidwa ntchito kwambiri pakulima ndi kupanga m'malo owonjezera kutentha chifukwa cha kutembenuka kwawo kwakukulu kwazithunzi, mawonekedwe osinthika, komanso moyo wautali wautumiki [1].M'mayiko akunja, chifukwa cha kuyambika koyambirira kwa kafukufuku wokhudzana ndi njira zothandizira okhwima, kupanga maluwa ambiri, zipatso ndi masamba kumakhala ndi njira zowonjezera zowonjezera kuwala.Kusonkhanitsa deta yochuluka yeniyeni yopangira zinthu kumathandizanso opanga kufotokoza momveka bwino zotsatira za kuwonjezeka kwa kupanga.Panthawi imodzimodziyo, kubwerera pambuyo pogwiritsira ntchito magetsi owonjezera a LED kumawunikidwa [2].Komabe, kafukufuku wambiri wapakhomo wamakono okhudza kuwala kowonjezera amakondera ku kuwala kochepa komanso kukhathamiritsa kwa maonekedwe, ndipo alibe njira zowonjezera zowonjezera zomwe zingagwiritsidwe ntchito popanga zenizeni[3].Opanga ambiri apakhomo adzagwiritsa ntchito njira zowunikira zowonjezera zakunja zomwe zilipo pogwiritsa ntchito ukadaulo wowonjezera wowunikira popanga, mosasamala kanthu za nyengo yomwe amapangirako, mitundu ya masamba opangidwa, komanso momwe zinthu ziliri ndi zida.Kuphatikiza apo, kukwera mtengo kwa zida zowunikira zowonjezera komanso kugwiritsa ntchito mphamvu zambiri nthawi zambiri kumabweretsa kusiyana kwakukulu pakati pa zokolola zenizeni ndi kubwereranso kwachuma komanso zomwe zikuyembekezeka.Zomwe zikuchitika panopa sizikugwirizana ndi chitukuko ndi kulimbikitsa teknoloji yowonjezera kuwala ndi kuonjezera kupanga m'dzikoli.Chifukwa chake, ndikofunikira kwambiri kuyika zida zowunikira zowonjezera za LED m'malo enieni opangira nyumba, kukhathamiritsa njira zogwiritsira ntchito, ndikusonkhanitsa deta yoyenera.

Nthawi yachisanu ndi nyengo yomwe masamba amasamba atsopano amafunikira kwambiri.Malo obiriwira obiriwira atha kupereka malo oyenera kuti masamba azikula m'nyengo yozizira kuposa minda yaulimi yakunja.Komabe, nkhani ina inanena kuti ena okalamba kapena osayera bwino greenhouses ali ndi kuwala transmittance zosakwana 50% m'nyengo yozizira. Komanso, kwa nthawi yaitali mvula nyengo sachedwa kuchitika m'nyengo yozizira, zomwe zimapangitsa wowonjezera kutentha mu otsika- kutentha ndi otsika kuwala chilengedwe, amene amakhudza yachibadwa kukula kwa zomera.Kuwala kwakhala kolepheretsa kukula kwa masamba m'nyengo yozizira [4].Green Cube yomwe yayikidwa mukupanga kwenikweni imagwiritsidwa ntchito pakuyesa.Dongosolo lobzala masamba osaya kwambiri amadzimadzi amafanana ndi ma Signify (China) Investment Co., Ltd.Kubzala letesi ndi pakchoi, zomwe ndi masamba awiri amasamba omwe amafunikira kwambiri msika, cholinga chake ndi kuphunzira kuchuluka kwenikweni kwa masamba a hydroponic ndi kuyatsa kwa LED m'nyengo yozizira.

Zida ndi njira
Zida zomwe zimagwiritsidwa ntchito poyesa

Zida zoyesera zomwe zidagwiritsidwa ntchito poyesera zinali letesi ndi masamba a packchoi.Mitundu ya letesi, Green Leaf Lettuce, imachokera ku Beijing Dingfeng Modern Agriculture Development Co., Ltd., ndi mitundu ya pakchoi, Brilliant Green, imachokera ku Horticulture Institute ya Shanghai Academy of Agricultural Sciences.

Njira yoyesera

Kuyeseraku kunachitika mu greenhouse ya galasi yamtundu wa Wenluo ya Sunqiao base ya Shanghai green cube Agricultural Development Co., Ltd. kuyambira Novembala 2019 mpaka February 2020. Zoyeserera ziwiri zobwerezabwereza zidachitika.Kuzungulira koyamba kwa kuyesera kunali kumapeto kwa 2019, ndipo kuzungulira kwachiwiri kunali kumayambiriro kwa 2020. Pambuyo pa kufesa, zipangizo zoyesera zinayikidwa mu chipinda chopangira kuwala kwa nyengo kuti mbande kukwezedwe, ndipo kuthirira kwa mafunde kunagwiritsidwa ntchito.Pa mmera kulera nthawi, ambiri michere njira ya hydroponic masamba ndi EC wa 1.5 ndi pH wa 5.5 ntchito ulimi wothirira.Mbeu zitakula mpaka masamba atatu ndi siteji imodzi ya mtima, zidabzalidwa pa bedi lodzala ndi masamba obiriwira.Mukabzala, njira yothirira yazakudya imagwiritsa ntchito EC 2 ndi pH 6 muthirira tsiku lililonse.Kuthirira pafupipafupi kunali 10 min ndi madzi ndipo 20 min ndi madzi anasiya.Gulu lolamulira (palibe chowonjezera chowonjezera) ndi gulu la mankhwala (LED light supplement) linayikidwa mukuyesera.CK idabzalidwa mu galasi wowonjezera kutentha popanda zowonjezera zowonjezera.LB: drw-lb Ho (200W) idagwiritsidwa ntchito kuwonjezera kuwala mutabzala mu greenhouse yagalasi.Kachulukidwe wopepuka (PPFD) pamtunda wa masamba a hydroponic anali pafupifupi 140 μmol/(㎡·S).MB: mutabzala mu greenhouse ya galasi, drw-lb (200W) idagwiritsidwa ntchito kuwonjezera kuwala, ndipo PPFD inali pafupifupi 140 μmol/(㎡·S).

Tsiku loyamba la kubzala koyeserera ndi Novembara 8, 2019, ndipo tsiku lobzala ndi Novembara 25, 2019. Nthawi yowunikira ya gulu loyesa ndi 6:30-17:00;gawo lachiwiri la tsiku loyesa kubzala ndi Disembala 30, Tsiku la 2019, tsiku lobzala ndi Januware 17, 2020, ndipo nthawi yowonjezera ya gulu loyesera ndi 4:00-17:00
M'nyengo yadzuwa m'nyengo yozizira, wowonjezera kutentha amatsegula denga la dzuwa, filimu yam'mbali ndi fani ya mpweya wa tsiku ndi tsiku kuyambira 6:00-17:00.Kutentha kukakhala kocheperako usiku, wowonjezera kutentha amatseka kuwala, filimu yam'mbali ndikukupiza pa 17:00-6:00 (tsiku lotsatira), ndikutsegula chinsalu chotchinga chotenthetsera mu wowonjezera kutentha kuti chitetezeke kutentha.

Kusonkhanitsa Zambiri

Kutalika kwa mbewu, kuchuluka kwa masamba, ndi kulemera kwatsopano pa chomera chilichonse zidapezedwa mutakolola mbali zapamtunda za Qingjingcai ndi letesi.Pambuyo kuyeza kulemera kwatsopano, amayikidwa mu uvuni ndikuwumitsa pa 75 ℃ kwa 72 h.Pambuyo pa mapeto, kulemera kowuma kunatsimikiziridwa.Kutentha kwa wowonjezera kutentha ndi Photosynthetic Photon Flux Density (PPFD, Photosynthetic Photon Flux Density) amasonkhanitsidwa ndikujambulidwa mphindi 5 zilizonse ndi sensa ya kutentha (RS-GZ-N01-2) ndi sensa ya photosynthetically yogwira ntchito (GLZ-CG).

Kusanthula Zambiri

Werengerani mphamvu yogwiritsira ntchito kuwala (LUE, Light Use Efficiency) molingana ndi njira iyi:
LUE (g/mol) = zokolola zamasamba pagawo lililonse/ kuchuluka kwa kuwala komwe kumapezedwa ndi masamba pagawo lililonse kuyambira kubzala mpaka kukolola
Werengetsani zinthu zouma motengera njira iyi:
Zouma zouma (%) = kulemera kowuma pa chomera / kulemera kwatsopano pa chomera x 100%
Gwiritsani ntchito Excel2016 ndi IBM SPSS Statistics 20 kuti mufufuze zomwe zili mukuyesera ndikusanthula tanthauzo la kusiyana.

Zida ndi njira
Kuwala ndi Kutentha

Kuyesa koyamba kunatenga masiku 46 kuchokera kubzala mpaka kukolola, ndipo kuzungulira kwachiwiri kunatenga masiku 42 kuchokera kubzala mpaka kukolola.Paulendo woyamba woyesera, kutentha kwa tsiku ndi tsiku mu wowonjezera kutentha kunali makamaka mu 10-18 ℃;paulendo wachiwiri woyesera, kusinthasintha kwa kutentha kwa tsiku ndi tsiku mu wowonjezera kutentha kunali koopsa kwambiri kuposa komwe kunalipo panthawi yoyamba yoyesera, ndi kutentha kwatsiku ndi tsiku kwa 8.39 ℃ komanso kutentha kwa tsiku ndi tsiku kwa 20.23 ℃.Kutentha kwapakati pa tsiku ndi tsiku kunawonetsa kuwonjezereka kwakukulu panthawi ya kukula (mkuyu 1).

Pamgawo woyamba woyeserera, kuwala kwa tsiku ndi tsiku (DLI) mu wowonjezera kutentha kunasinthasintha kuchepera 14 mol/(㎡·D).Mugawo lachiwiri loyesera, kuchuluka kwa kuwala kwachilengedwe tsiku lililonse mu wowonjezera kutentha kunawonetsa kukwera, komwe kunali kopitilira 8 mol/(㎡·D), ndipo mtengo wapamwamba udawonekera pa February 27, 2020, womwe unali 26.1 mol. /(㎡·D).Kusintha kwa tsiku ndi tsiku kuchulukirachulukira kuchuluka kwa chilengedwe kuwala mu wowonjezera kutentha pa wozungulira yachiwiri kuyesera anali wamkulu kuposa pa kuzungulira koyamba kuyesera (mkuyu. 2).Pamgawo woyamba woyesera, kuchuluka kwa kuwala kokwanira tsiku lililonse (kuchuluka kwa kuwala kwachilengedwe kwa DLI ndi kuwala kowonjezera kwa LED) kwa gulu lowunikira kowonjezera kunali kopitilira 8 mol/(㎡·D) nthawi zambiri.Mugawo lachiwiri la kuyesako, kuwala kokwanira tsiku lililonse kwa gulu lowonjezera lowunikira kunali kupitilira 10 mol/(㎡·D) nthawi zambiri.Kuwala kowonjezera komwe kunasonkhanitsidwa mchigawo chachiwiri kunali 31.75 mol/㎡ kuposa komwe kunali mgawo woyamba.

Zokolola Zamasamba Zamasamba ndi Kugwiritsa Ntchito Mphamvu Zopepuka Mwachangu

● Mzere woyamba wa zotsatira za mayeso
Zitha kuwoneka kuchokera pa chithunzi cha 3 kuti pakchoi yowonjezeredwa ndi LED imakula bwino, mawonekedwe a zomera amakhala osakanikirana, ndipo masamba ndi aakulu komanso ochulukirapo kuposa CK omwe sali owonjezera.Masamba a LB ndi MB pakchoi ndi owala komanso obiriwira kwambiri kuposa CK.Zitha kuwoneka kuchokera pa chithunzi cha 4 kuti letesi yokhala ndi kuwala kwa LED imakula bwino kuposa CK popanda kuwala kowonjezera, chiwerengero cha masamba ndi chapamwamba, ndipo mawonekedwe a zomera amakhala odzaza.

Zitha kuwoneka kuchokera pa Gulu 1 kuti palibe kusiyana kwakukulu pautali wa mbewu, nambala yamasamba, zouma zouma komanso kugwiritsa ntchito mphamvu zopepuka za pakchoi zothiridwa ndi CK, LB ndi MB, koma kulemera kwatsopano kwa pakchoi komwe kumapangidwa ndi LB ndi MB ndikokwanira. apamwamba kwambiri kuposa a CK;Panalibe kusiyana kwakukulu pa kulemera kwatsopano pa chomera chilichonse pakati pa nyali ziwiri zokulirapo za LED zokhala ndi ma retiroti osiyanasiyana a buluu pochiza LB ndi MB.

Zitha kuwoneka kuchokera pa tebulo 2 kuti kutalika kwa letesi mu mankhwala a LB kunali kwakukulu kwambiri kusiyana ndi mankhwala a CK, koma panalibe kusiyana kwakukulu pakati pa chithandizo cha LB ndi chithandizo cha MB.Panali kusiyana kwakukulu kwa chiwerengero cha masamba pakati pa mankhwala atatu, ndipo chiwerengero cha masamba mu mankhwala a MB chinali chapamwamba kwambiri, chomwe chinali 27. Kulemera kwatsopano pa chomera cha mankhwala a LB kunali kwakukulu, komwe kunali 101g.Panalinso kusiyana kwakukulu pakati pa magulu awiriwa.Panalibe kusiyana kwakukulu muzinthu zowuma pakati pa mankhwala a CK ndi LB.Zomwe zili mu MB zinali 4.24% kuposa mankhwala a CK ndi LB.Panali kusiyana kwakukulu pakugwiritsa ntchito kuwala pakati pa mankhwala atatuwa.Kugwiritsa ntchito kuwala kwapamwamba kwambiri kunali mu chithandizo cha LB, chomwe chinali 13.23 g/mol, ndipo chotsika kwambiri chinali mu chithandizo cha CK, chomwe chinali 10.72 g/mol.

● Mzere wachiwiri wa zotsatira za mayeso

Zitha kuwoneka kuchokera ku Table 3 kuti kutalika kwa chomera cha Pakchoi chogwiritsidwa ntchito ndi MB kunali kokulirapo kuposa kwa CK, ndipo panalibe kusiyana kwakukulu pakati pa izo ndi chithandizo cha LB.Chiwerengero cha masamba a Pakchoi omwe amathandizidwa ndi LB ndi MB chinali chokwera kwambiri kuposa cha CK, koma panalibe kusiyana kwakukulu pakati pa magulu awiri a chithandizo chamankhwala chowonjezera.Panali kusiyana kwakukulu mu kulemera kwatsopano pa chomera pakati pa mankhwala atatu.Kulemera kwatsopano pa chomera ku CK kunali kotsika kwambiri pa 47 g, ndipo mankhwala a MB anali apamwamba kwambiri pa 116 g.Panalibe kusiyana kwakukulu muzinthu zowuma pakati pa mankhwala atatuwa.Pali kusiyana kwakukulu pakugwiritsa ntchito mphamvu zamagetsi.CK ndi yotsika pa 8.74 g / mol, ndipo mankhwala a MB ndi apamwamba kwambiri pa 13.64 g / mol.

Zitha kuwoneka kuchokera mu Gulu 4 kuti panalibe kusiyana kwakukulu pa kutalika kwa letesi pakati pa mankhwala atatuwa.Chiwerengero cha masamba mu mankhwala a LB ndi MB chinali chachikulu kwambiri kuposa cha CK.Pakati pawo, chiwerengero cha masamba a MB chinali chapamwamba kwambiri pa 26. Panalibe kusiyana kwakukulu kwa chiwerengero cha masamba pakati pa mankhwala a LB ndi MB.Kulemera kwatsopano pa chomera cha magulu awiri a chithandizo chowonjezera chowonjezera chinali chokwera kwambiri kuposa cha CK, ndipo kulemera kwatsopano pa chomera chinali chapamwamba kwambiri mu mankhwala a MB, omwe anali 133g.Panalinso kusiyana kwakukulu pakati pa chithandizo cha LB ndi MB.Panali kusiyana kwakukulu muzinthu zowuma pakati pa mankhwala atatu, ndipo zowuma za mankhwala a LB zinali zapamwamba kwambiri, zomwe zinali 4.05%.Kugwiritsa ntchito mphamvu zowunikira kwa chithandizo cha MB ndikokwera kwambiri kuposa chithandizo cha CK ndi LB, chomwe ndi 12.67 g/mol.

Pakuyesa kwachiwiri, DLI yonse ya gulu lowonjezera lowonjezera linali lokwera kwambiri kuposa DLI pamasiku omwewo a atsamunda paulendo woyamba woyeserera (Chithunzi 1-2), komanso nthawi yowunikira yowonjezera ya kuwala kowonjezera. gulu mankhwala mu kuzungulira yachiwiri kuyesera (4:00-00- 17:00).Poyerekeza ndi kuzungulira koyamba (6: 30-17: 00), idakula ndi maola 2.5.Nthawi yokolola pamizere iwiri ya Pakchoi inali masiku 35 mutabzala.Kulemera kwatsopano kwa chomera cha CK m'magulu awiriwo kunali kofanana.Kusiyana kwa kulemera kwatsopano pa chomera mu mankhwala a LB ndi MB poyerekeza ndi CK mumzere wachiwiri woyesera kunali kwakukulu kuposa kusiyana kwa kulemera kwatsopano pa chomera poyerekeza ndi CK muzoyesa zoyamba (Table 1, Table 3).Nthawi yokolola yachiwiri ya letesi yoyesera inali masiku 42 mutabzala, ndipo nthawi yokolola ya letesi yoyesera inali masiku 46 mutabzala.Chiwerengero cha masiku atsamunda pamene ulendo wachiwiri wa letesi woyesera CK adakololedwa anali masiku 4 ocheperapo kuposa a mzere woyamba, koma kulemera kwatsopano pa chomera ndi 1.57 nthawi zoyesa zoyamba (Table 2 ndi Table 4), komanso kugwiritsa ntchito mphamvu zowunikira kumakhala kofanana.Zitha kuwoneka kuti pamene kutentha kumatentha pang'onopang'ono ndipo kuwala kwachilengedwe mu wowonjezera kutentha kumawonjezeka pang'onopang'ono, kupanga letesi kumafupikitsidwa.

Zida ndi njira
Zozungulira ziwiri zoyesazo zidaphimba nyengo yonse yozizira ku Shanghai, ndipo gulu lolamulira (CK) lidatha kubwezeretsanso momwe hydroponic wobiriwira phesi ndi letesi amapangidwira mu wowonjezera kutentha kutentha komanso kuwala kwa dzuwa m'nyengo yozizira.Gulu loyesera zowonjezera zowunikira linali ndi chidwi chokweza pa index yodziwika bwino ya data (kulemera kwatsopano pa chomera chilichonse) m'mizere iwiri yoyesera.Pakati pawo, kuchuluka kwa zokolola za Pakchoi kumawonekera mu kukula, mtundu ndi makulidwe a masamba nthawi imodzi.Koma letesi amakonda kuwonjezera kuchuluka kwa masamba, ndipo mawonekedwe a chomera amawoneka odzaza.Zotsatira zoyesa zikuwonetsa kuti zowonjezera zowonjezera zimatha kusintha kulemera kwatsopano ndi khalidwe la mankhwala mu kubzala mitundu iwiri ya masamba, potero kuonjezera malonda a masamba.Pakchoi yowonjezeredwa ndi Ma modules ofiira-woyera, otsika-buluu ndi ofiira-woyera, apakati pa buluu a LED omwe ali pamwamba pa kuwala kwa buluu ndi obiriwira obiriwira komanso onyezimira kuposa masamba opanda kuwala kowonjezera, masamba ndi aakulu ndi okulirapo, ndi kukula kwa chomera chonsecho chimakhala chophatikizika komanso champhamvu.Komabe, "letesi wamtundu" ndi wa masamba obiriwira obiriwira, ndipo palibe njira yodziwikiratu yosintha mtundu pakukula.Kusintha kwa mtundu wa masamba sikudziwika kwa maso a munthu.Kuchuluka koyenera kwa kuwala kwa buluu kumatha kulimbikitsa kukula kwa masamba ndi kaphatikizidwe ka photosynthetic pigment, ndikuletsa kutalika kwa internode.Chifukwa chake, masamba omwe ali mugulu lowonjezera lowala amakondedwa kwambiri ndi ogula pamawonekedwe abwino.

Pakuyesa kwachiwiri, kuchuluka kwa kuwala kwa tsiku ndi tsiku kwa gulu lowonjezera la kuwala kunali kokulirapo kuposa DLI pamasiku omwewo atsamunda paulendo woyamba woyeserera (Chithunzi 1-2), komanso kuwala kowonjezera. nthawi ya kuzungulira kwachiwiri kwa gulu lothandizira kuwala kowonjezera (4: 00-17: 00), poyerekeza ndi gawo loyamba la kuyesa (6: 30-17: 00), linawonjezeka ndi maola 2.5.Nthawi yokolola pamizere iwiri ya Pakchoi inali masiku 35 mutabzala.Kulemera kwatsopano kwa CK muzozungulira ziwiri kunali kofanana.Kusiyana kwa kulemera kwatsopano pa chomera pakati pa chithandizo cha LB ndi MB ndi CK mumzere wachiwiri woyesera kunali kwakukulu kuposa kusiyana kwa kulemera kwatsopano pa chomera ndi CK muzoyesa zoyamba (Table 1 ndi Table 3).Chifukwa chake, kukulitsa nthawi yowonjezera kuwala kumatha kulimbikitsa kukula kwa hydroponic Pakchoi yolimidwa m'nyumba m'nyengo yozizira.Nthawi yokolola yachiwiri ya letesi yoyesera inali masiku 42 mutabzala, ndipo nthawi yokolola ya letesi yoyesera inali masiku 46 mutabzala.Pamene gawo lachiwiri la letesi loyesera linakololedwa, chiwerengero cha masiku a colonization a gulu la CK chinali chocheperako masiku 4 kuposa cha kuzungulira koyamba.Komabe, kulemera kwatsopano kwa chomera chimodzi kunali 1.57 kuwirikiza kawiri koyesa koyamba (Table 2 ndi Table 4).Kugwiritsa ntchito mphamvu zowunikira kunali kofanana.Zitha kuwoneka kuti pamene kutentha kumakwera pang'onopang'ono ndipo kuwala kwachilengedwe mu wowonjezera kutentha kumawonjezeka pang'onopang'ono (Chithunzi 1-2), kupanga letesi kungafupikitsidwe moyenerera.Choncho, kuwonjezera zida zowonjezera kuwala kwa wowonjezera kutentha m'nyengo yozizira ndi kutentha otsika ndi kuwala kwa dzuwa kungathandize bwino kupanga dzuwa la letesi, ndiyeno Kuonjezera kupanga.Pakuyesa koyamba, chomera chamasamba chowonjezera mphamvu zamagetsi chinali 0.95 kw-h, ndipo mugawo lachiwiri loyesera, chomera chamasamba chowonjezera mphamvu yopepuka chinali 1.15 kw-h.Poyerekeza pakati pa maulendo awiri oyesera, kugwiritsa ntchito kuwala kwa mankhwala atatu a Pakchoi, mphamvu yogwiritsira ntchito mphamvu pakuyesa kwachiwiri inali yochepa kusiyana ndi kuyesa koyamba.Kugwiritsa ntchito mphamvu zowunikira kwa letesi CK ndi LB magulu othandizira kuwala kowonjezera pakuyesa kwachiwiri kunali kotsika pang'ono kuposa kuyesa koyamba.Zimaganiziridwa kuti chifukwa chotheka ndi chakuti kutentha kwatsiku ndi tsiku mkati mwa sabata mutabzala kumapangitsa kuti nthawi yobzala pang'onopang'ono ikhale yaitali, ndipo ngakhale kutentha kunayambiranso pang'ono panthawi yoyesera, kusiyana kwake kunali kochepa, ndipo kutentha kwa tsiku ndi tsiku kunalibe. pamlingo wochepa, womwe udalepheretsa kugwiritsa ntchito mphamvu zowunikira panthawi yonse yakukula kwa ma hydroponics amasamba amasamba.(Chithunzi 1).

Pa kuyesera, ndi michere yankho dziwe sanali okonzeka ndi kutentha zida, kotero kuti malo muzu wa hydroponic leafy masamba nthawi zonse pa otsika kutentha mlingo, ndi tsiku pafupifupi kutentha anali ochepa, zomwe zinachititsa masamba kulephera ntchito mokwanira. Kuwala kwatsiku ndi tsiku kumawonjezeka pokulitsa kuwala kowonjezera kwa LED.Choncho, powonjezera kuwala mu wowonjezera kutentha m'nyengo yozizira, m'pofunika kuganizira zoyenera kuteteza kutentha ndi njira zowotchera kuti zitsimikizire zotsatira za kuwonjezera kuwala kuti ziwonjezere kupanga.Choncho, m'pofunika kuganizira njira zoyenera zotetezera kutentha ndi kuwonjezeka kwa kutentha kuti zitsimikizire zotsatira za kuwala kowonjezera ndi kuwonjezeka kwa zokolola m'nyengo yozizira.Kugwiritsa ntchito kuwala kowonjezera kwa LED kudzakulitsa mtengo wopangira mpaka pamlingo wina, ndipo ulimi wokhawokha siwopanga zokolola zambiri.Choncho, mmene konza njira yowonjezera kuwala ndi kugwirizana ndi miyeso ina kwenikweni kupanga hydroponic leafy masamba m'nyengo yozizira wowonjezera kutentha, ndi mmene ntchito zowonjezera kuwala zida tikwaniritse kupanga imayenera ndi kusintha dzuwa ntchito kuwala mphamvu ndi ubwino zachuma , ikufunikabe kuyesa kwina kwa kupanga.

Olemba: Yiming Ji, Kang Liu, Xianping Zhang, Honglei Mao (Shanghai green cube Agricultural Development Co., Ltd.).
Gwero la nkhani: Agricultural Engineering Technology (Greenhouse Horticulture).

Zolozera:
[1] Jianfeng Dai, Philips horticultural LED ntchito yogwiritsira ntchito mu greenhouse production [J].Ukadaulo waukadaulo waulimi, 2017, 37 (13): 28-32
[2] Xiaoling Yang, Lanfang Song, Zhengli Jin, et al.Mkhalidwe wogwiritsira ntchito ndi Chiyembekezo cha ukadaulo wowonjezera wopepuka wa zipatso ndi ndiwo zamasamba zotetezedwa [J].Northern horticulture, 2018 (17): 166-170
[3] Xiaoying Liu, Zhigang Xu, Xuelei Jiao, et al.Kafukufuku ndi momwe kagwiritsidwe ntchito ndi njira yopangira kuyatsa kwa mbewu [J].Journal ya engineering yowunikira, 013, 24 (4): 1-7
[4] Jing Xie, Hou Cheng Liu, Wei Song Shi, et al.Kugwiritsa ntchito gwero la kuwala ndi kuwongolera khalidwe la kuwala mu greenhouse masamba kupanga [J].Zamasamba zaku China, 2012 (2): 1-7


Nthawi yotumiza: May-21-2021