Nepo mwenje we LED uchigona kusimudzira kukura kwechirimwa mumagreenhouses, zviyero zvinodikanwa kuti uone kusimba uye mavara echiedza, sekureva kwaRutgers tsvagiridzo inogona kubatsira kuvandudza simba remagetsi ezvigadzirwa zvekuvhenekesa horticultural.
Makambani mazhinji ekuvhenekesa anotengesa zvigadzirwa zve LED (light-emitting diode) zvine zvirevo zvekupa "resipi yakareruka" iyo inowanzo sanganisira musanganiswa wewavelengths uye reshiyo yeruvara, senge 4-ku-1 tsvuku kusvika kublue ratio pane spectrum. (mavara emurarabungu). Masayendisiti ezvirimwa anowanzo shandisa ruzivo urwu kuti aongorore zvinogona kuitika zvemwenje pakukura nekukura kwechirimwa. Asi maitiro akamisikidzwa ekuti angaverenge sei zviyero izvi ari kushomeka, sekureva kweongororo ichaburitswa mujenari Acta Horticulturae.
"Kuwedzera kwemagetsi ekuwedzera magetsi, varimi vemagetsi vashoma vanoda kupedza zvirimwa zvavo," akadaro munyori mukuru. AJ Ose, purofesa uye nyanzvi yekuwedzera mune inodzorwa nharaunda engineering mu Department of Environmental Sayenzi mu Chikoro Chezvakatipoteredza uye Biological Sayenzi at Rutgers University-New Brunswick. “Tinotarisira kubatsira kuti kurimwa kwezvirimwa zvemumba kuve kwakasimba uye kusingadhuri.
Kuwedzerwa kwesimba rekushandisa kunogona kuve nekukanganisa kukuru pazasi, uye ruzivo nezve nzira nyowani dzekuvhenekesa zvirimwa zvichabatsira indasitiri yekurima yemukati memba, Vakadaro Vaviri.
Mumagreenhouses uye nharaunda dzakadzorwa, marambi emagetsi anoshandiswa kuwedzera chiedza chezuva uye kuwedzera nguva yekuvhenekesa kugadzira zvirimwa zvehorticultural, senge miriwo, maruva nemiriwo. kudzidza yapfuura inotungamirwa naVaviri. Kufambira mberi kwazvino musimba-inoshanda-inoshanda tekinoroji yeLED inopa iyo horticultural indasitiri ine akawanda mwenje sarudzo. Asi varimi havagone kufananidza matekinoroji uye sarudzo dzeLED nekuda kwekushaikwa kwedata rakazvimirira rekuti marambi anoita sei. Chidzidzo ichocho chakatungamira kune yakarongwa yakamisikidzwa chigadzirwa label inobvumira kuenzaniswa kwemarambi kune vese vanogadzira.
Vese uye vatinoshanda navo vanoramba vachitarisa vakazvimiririra kuongorora maitiro ekuita senge mashandisiro emagetsi, kushanda zvakanaka, kusimba kwechiedza uye nzira yekugovera mwenje uye kuendesa ruzivo irwo kune varimi vekutengesa. Kufambira mberi kwazvino kwakapa mikana yekunyatso kudzora mwenje kubva kumarambi eLED uye kudzidza maitiro adzo pakukura nekukura kwechirimwa, maererano netsvakiridzo yeVaviri. Vese nechikwata chake vanoshanda pamwe chete nemasayendisiti ezvekudyara anodzidza nezvemabatiro echiedza pazvirimwa zvinorimwa chikafu kana zvirimwa zvekushongedza.
Chidzidzo chitsva ichi chinokurudzira kushandisa spectroradiometer, chiridzwa chinoyera kubuda kwechiedza pane yakatarwa huwandu hwewavelengths. Kushandisa chiridzwa chakadaro, zviyero zvakasiyana-siyana zvechiedza zvinogona kuverengwa. Vatsvakurudzi vakashuma kusiyana kwakakura mukuenzanisa kwechiedza vachienzanisa chiedza chezuva nemarambi akajairwa, anosanganisira LED, high-pressure sodium, incandescent uye fluorescent marambi anoshandiswa kuvhenekesa chirimwa. Vatsvagiri vanotarisira kuti basa ravo richabatsira mukusimudzira tsananguro dzakajairwa dzemafungu ewavelengths (renji dzewavelengths) akakosha pakukura kwechirimwa nekusimudzira.
Munyori anotungamira wechidzidzo chitsva ndiTimothy Shelford, nyanzvi yenguva pfupi yekutsvagisa kuRutgers anoshandawo kuCornell University. Claude Wallace, akapedza kudzidza kwaRutgers uye mushandi wenguva isina kuzara, akabatsirawo muchidzidzo ichi.Mwenje machena e LED anoshandiswa kuvandudza kugadzirwa kwebasil mune greenhouse.Mufananidzo: AJ Both/Rutgers University-New Brunswick