Vatsvagiri muChina neUnited Kingdom akadzidza mhedzisiro yemwenje we LED musanganiswa pane lettuce inokura muhydroponic masisitimu kuona kana marapirwo acho achigona kuderedza kuunganidzwa kwenitrate, uye nekuona kuti kurapwa kungaita sei pamazinga ephytochemical.
"Miriwo, kunyanya miriwo yemashizha, inokura mu hydroponics inogona kuunganidza yakakwira nitrate nezvimwe zvinhu zvinokuvadza," akatsanangura kudaro Qi-Chang Yang naChungui Lu, vanyori vanowirirana vekudzidza kwakabudiswa mu Journal of the American Society for Horticultural Science. "Tsvakiridzo yapfuura pamusoro pemhedzisiro yechiedza chinoramba chiripo paphotosynthesis uye kukura kwechirimwa kwakanyanya kutarisisa wachi yecircadian uye kukuvara kwakakonzera. Zvishoma zvinozivikanwa nezve mhedzisiro yekuenderera kwechiedza che LED pane mhinduro yephotosynthetic system uye nekuchinja kwehuwandu hwe antioxidant zvinhu uye phytochemicals. "
Vatsvagiri vakagadzira zviyedzo zvine mwenje unoenderera (CL) uye/kana musanganiswa wegirinhi (G) ine tsvuku-bhuruu (RB) mwenje we LED kuti vaone kana marapirwo acho anogona kuderedza nitrate yemukati uye kuwedzera zvinovaka muviri mu hydroponic yakakura lettuce. Zviyedzo zvacho zvaisanganisira mwenje chena ye LED uye yakasanganiswa tsvuku-yebhuruu LED mwenje (ine kana isina yegirinhi LED mwenje) mumisanganiswa mishanu.
"Zvigumisiro zvedu zvakaratidza zvakajeka kuti chiedza chinoramba chiripo neRB neRBG LED chinokanganisa zvakanyanya nitrate ye lettuce panguva yekukohwa," vanyori vakadaro. "Nitrate yemukati yakaderedzwa zvakanyanya pasi pezvese RB-CL uye RBG-CL marapiro pakati pe0 ne24 maawa."
Mhedzisiro yakaratidzawo kuti RB LED mwenje wainyanya kushanda kupfuura chena mwenje we LED mukufambisa lettuce kukura. "Kuenderera mberi kwechiedza che LED kwemaawa e24 kwakawedzera zvakanyanya mahara-radical scavenging basa uye yakawedzera phenolic compound concentrations," vanyori vakadaro. Vakakurudzira marapirwo emaawa makumi maviri nemana achienderera mberi RB LED ine G mwenje kuratidzwa kuderedza nitrate yezvinhu uye kuwedzera kunaka kweretisi.
Wona chidzidzo chakazara uye abstract pa American Society yeHorticultural Science magazini webhusaiti.
Kunobva: American Society yeHorticultural Science