An dai yi gwajin gwajin ne a lokaci guda a cikin lokacin sanyi, daya a cikin gidan wuta mai haske na HID, daya a cikin gidan wuta mai hasken ledoji, daya kuma a gonar birni mai hasken LED. An yi amfani da kayan lambu iri ɗaya na latas da taki iri ɗaya a duk gwaji ukun. Abubuwan amfanin gona a cikin gonakin birni musamman, suna da ƙananan matakan nitrates, saboda ana shuka su daidai da adadin haske a kowace rana.
Abubuwan amfanin gona da aka shuka a cikin greenhouse a ƙarƙashin HID da LED duka suna da matakan nitrate mafi girma saboda yanayin yanayi daban-daban ya shafe su da ƙarancin haske fiye da mafi kyau. Tsire-tsire sun sami gajimare, rana, sanyi da zafi, lokacin da nitrates suka taru a cikin ganyen shuke-shuke. Sakamakon wannan gwaji ya tabbatar da cewa baya ga hasken LED, yanayi shine muhimmin ma'auni don sarrafawa don haɓaka rage nitrate.
Ga mafi yawan amfanin gonakin latas, ƙasa da 1500 MG/kg na nitrates za a iya samu kawai ta hanyar daidaita girke-girke mai haske a cikin yanayin da aka ba da girma. Wannan bai shafi yawan amfanin ƙasa ko wasu halaye masu inganci ba, kamar rayuwar shiryayye da abun ciki na bitamin. Haɗa girke-girke na haske tare da dabarun ban ruwa mai ƙarfi na iya ƙara rage waɗannan matakan idan ana so. Hakanan za'a iya amfani da irin wannan dabarar a cikin greenhouse mai amfani da ƙarin hasken LED ta hanyar daidaita ma'aunin yanayi da haske don aiki tare. A cikin gwajin greenhouse tare da hasken LED, mun sami ƙananan matakan nitrate fiye da na gwaji a cikin greenhouse tare da hasken HID.
