"Alimi akuwonetsa chidwi kwambiri ndi kuwala kwa LED"
Alimi ambiri ali ndi chidwi ndi kuyatsa kwa LED mu greenhouses zawo. Mtengo wogula komanso kusazindikira za kukhudzidwa kwa mbewu kumabweretsa vuto. Bungwe la Horticultural Association Glastuinbouw Nederland limalangiza alimi kuti ayambe pang'ono ndikudzidziwitsa bwino. Upangiri wodziyimira pawokha wa LED wakhazikitsidwanso.
Kugwiritsiridwa ntchito kwa kuyatsa kwakuya kwakhala kukuchulukirachulukira ku Dutch greenhouse horticulture kuyambira 1996. Kulima kowala kumapanga 40 peresenti ya malo okwana pafupifupi 10,000 mahekitala. Mwachikhalidwe, kuyatsa kunkachitika ndi kuyatsa kwa Son-T, kokhala ndi nyali za sodium.
Kuunikira kwa LED kwakhala kukukulirakulira kuyambira 2007, ndi zopindulitsa zomwe zimaphatikizapo kutsika kwa magetsi, kutentha pang'ono, kuyatsa ndi kuzimitsa mwachangu, kuzimiririka, kusinthika kumayendedwe ake enieni komanso moyo wautali. Mu 2019, 15.5 peresenti ya olima greenhouses anali ndi chidwi chofuna kuyika ndalama pakuwunikira kwa LED, kuchokera pa 13 peresenti mu 2016.
"Chiwerengero chochuluka cha kulembetsa kwa misonkhano ndi ma webinars pamutuwu chimasonyeza chidwi chachikulu cha kuunikira kwa LED kuchokera kwa anthu olima," anatero Anja Dieleman, wofufuza wamkulu wa physiology ya zomera ku Greenhouse Horticulture Business Unit ya Wageningen University & Research (WUR).
Kulimbitsa mphamvu
Malingana ndi iye, kusintha kwa kuyatsa kwa LED kumafuna njira yosiyana yokulirakulira, chifukwa mphamvu yamagetsi mu wowonjezera kutentha imasintha. Kuphatikiza pa kuunikira, zinthu monga kutentha, kuchotsera chinyezi ndi tsiku lobzala zimathandizanso pakukula kwa mbewu. Mikhalidwe yabwino imasiyana pa mbewu iliyonse komanso pamitundu ndi kukula kwake.
Kwa mbewu zina, monga nkhaka, phwetekere, rose ndi gerbera, kafukufuku wambiri wachitika kale pakuwunikira kofananira ndi nyali za LED. M'mayesero otere, ofufuza a WUR amagwira ntchito limodzi ndi makomiti oyang'anira alimi. Dieleman akuti kafukufuku ndi machitidwe amafunikira wina ndi mnzake kuti asinthane chidziwitso.
"Pamapeto pake, ndi amalonda omwe ayenera kusankha ngati akufuna kuyikapo nyali za LED. Sikuti zotsatira za kafukufuku zimagwiranso ntchito pa izi, komanso mitengo yogula zipangizo, mitengo yamagetsi, zofuna za makasitomala ndi zofunikira zomwe zimakhazikitsidwa ndi greenhouse horticulture sector.
Brand palokha
Olima mbewu zomwe sizinafufuzidwe pang'ono amafunanso kudziwa zambiri pakuwunikira kwa LED. Dennis Medema, katswiri wa nkhani za mphamvu ku Glastuinbouw Nederland, akulangiza alimi omwe ali ndi chidwi kuti adzidziwitse zomwe zimadziwika za mbewu zawo (ndi mitundu yosiyanasiyana), mwachitsanzo mkati mwa kafukufuku wa Greenhouse monga Gwero la Mphamvu.
Akuwonetsa kuti mtengo wogulira kuyatsa kwa LED ndi pafupifupi katatu kuposa nyali za Son-T. "Ndi chanzeru kuchitapo kanthu kakang'ono pomwe sizikudziwika zambiri, mwachitsanzo podziyesa nokha kapena poyambira ndi kuyatsa kosakanizidwa, ndiko kuti, kuphatikiza kwa Son-T ndi kuyatsa kwa LED."
Kumayambiriro kwa 2020, kampani yopereka upangiri ya Ledgnd idakhazikitsidwa ndi amalonda a greenhouse horticulture Joris Elstgeest ndi Matthea Rijneker ndi akatswiri owunikira Richard ndi Ramón van de Vrie. Womalizayo ndi woyang'anira ntchito wa Ledgnd. "Alimi atha kubwera kwa ife kuti adzalandire upangiri wodziyimira pawokha pazowunikira za LED. Timafanizira nyali zonse zotsogola ndi zowongolera ndiukadaulo. Zotsatira zitha kupezeka patsamba latsamba lathu. ”
Kuyambira Seputembala, Ledgnd wakhala akugwira ntchito limodzi ndi asayansi akale a WUR ochokera ku B-Mex, omwe amapereka zitsanzo zowerengera za greenhouse horticulture, ndi alangizi othandizira omwe akudziwa bwino, mwachitsanzo, Energy Investment Allowance (EIA), Environmental Investment Deduction ( MIA) ndi Kutsika Mwachisawawa kwa Katundu Wachilengedwe (Vamil).
Arno van der Salm wochokera ku Oude Wetering ku South Holland ndi mlimi wa matricaria, campanula, snapdragon ndi tulip. "Ndikufuna kugwiritsa ntchito kuyatsa kwa LED kubzala mbewu zokulirapo m'dzinja ndikukulitsa ma snapdragons m'malo mwa tulips m'nyengo yozizira. Ndi izi, ndikufuna kukwaniritsa ntchito yofanana chaka chonse. " Wapempha upangiri kwa Ledgnd pa ogulitsa, zosintha, mawonekedwe amitundu ndi kutulutsa mphamvu. Mu nazale, gawo loyesa la 400 lalikulu mita lili ndi kuyatsa kwa LED. Gawo lachiwiri la kulima lili mkati.
Kuchulukitsa kwapamwamba
Van der Salm: "Malingana ndi zotsatira, ndikufuna kuwonjezera kuyesa kumunda wanga wonse wa mahekitala 1.5." Malinga ndi Van de Vrie, kutengera zotsatira za mayeso apano, kulima snapdragons kwa chaka chonse ndikotheka, zomwe zikutanthauza kuti kulima kowonjezera kuwiri. Izi zimalola Van der Salm kuzindikira phindu lalikulu ndipo akuyembekezeka kubweza ndalamazo, zomwe sakonda kuzitchula, m'zaka zinayi.
Dieleman ndi Medema akuwona kukhazikitsidwa kwa Ledgnd ngati chitukuko chomveka chifukwa cha chidwi chochokera ku greenhouse horticulture sector komanso zovuta kupanga zosankha pakuwunikira kwa LED. Medema: "Ndikofunikira kuti azitsatira zomwe zachitika posachedwa komanso kafukufuku kuti apatse alimi chidziwitso choyenera.
Source: Ndiwe Oogst, Hanneke de Jonge / zida /
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