I-loop hydroponics evaliwe, lapho amanzi esixazululo somsoco ethathwa futhi aphinde asetshenziswe esitshalweni, anikeza izinzuzo phezu kokugeleza okudlula noma amasistimu okudlula okukodwa ngendlela yamanzi kanye nokusetshenziswa kahle kwemithombo yezakhi. Ukwenyuka kwekhono lokusetshenziswa kwezinsiza kunciphisa izindleko zokukhiqiza futhi ekugcineni kuvimbela imithelela yemvelo ehambisana nokuchitheka kwezakhi emigwaqweni ethola amanzi.
Nakuba kunezinzuzo eziningi, zikhona futhi izingozi zokukhiqiza ezethulwa lapho kusetshenziswa indlela yokuthwebula nokusebenzisa kabusha, okungukuthi, ukwanda kwe-pathogen. Kunezinhlobo eziningi zezinhlelo ezisetshenziswa njengamanje embonini ukwelapha amanzi okuvundisa (amanzi okunisela ngomanyolo). Izibonelo zifaka kodwa azikhawulelwe ekuhlungeni isihlabathi, ukukhanya kwe-ultraviolet, i-chlorination, i-ozonation [O3(aq)], izinqubo ze-oxidation ezithuthukisiwe, i-peracetic acid (C2H4O3), ne-hydrogen peroxide (H(O2).
Kulesi sivivinyo, izixazululo zomsoco ezijikelezayo zelashwa kusetshenziswa i-anode (DSA)-based regenerative in situ electrochemical hypochlorination (RisEHc) ohlelweni lokukhiqiza lwe-hydroponic water culture (Lactuca sativa). Imiphumela ye-Phytotoxic yaphawulwa futhi yabangelwa ukwakheka kwama-chloramine ezixazululweni zezakhi ezilashwayo eziqukethe i-ammonium. Ucwaningo lubonise ukuthi imiphumela ye-phytotoxic ingavinjelwa ngokusetshenziswa kwe-regenerative in situ hypochlorination ngokuphatha ngendlela efanele kanye namasu okuqapha ekubuyiseleni izinhlelo ze-hydroponic.
Ngenkathi i-phytotoxicity ebangelwa i-chlorination evamile ifundwe kahle, alukho ulwazi mayelana nomphumela wenoveli i-RisEHC, ne-DSA, uhlelo oluhlolisiswe lapha, lapho i-ejenti yokubulala amagciwane ivuselelwa ngokuqhubekayo. Inhloso yocwaningo olwethulwe kwakuwukuhlola izimpendulo zezitshalo kanye nemiphumela engaba khona ye-phytotoxic ebangelwa ukwelapha izixazululo ezihlukene zomsoco ezijikelezayo nge-RisEHC. Ngaphezu kwalokho, ukuphumelela kokusebenzisa isicelo se-ultraviolet post-electrochemical ukunciphisa imiphumela ye-phytotoxicity, kanye nokushintsha umthombo we-nitrogen womanyolo, kwahlolwa.
Ukulungiswa kwesisombululo esisebenzayo sokuvundisa kuyisihluthulelo ekufezeni amandla aphelele ezinhlelo ze-hydroponic ezijikeleza kabusha zesikhathi eside. Uhlelo lwe-RisEHC oluhlolwe lapha lwaboniswa ukuthi lusebenza ngempumelelo ekwehliseni inani labantu abancane abancane ocwaningweni lokukhula kwe-hydroponic elabhorethri; nokho-ke, ukukhiqizwa kwama-chloramine lapho kukhona ama-ammoniacal compounds/fertilizer kuholele ekutheni kube ne-phytotoxicity kwezinye izimo.
Ocwaningweni lwamanje, i-chloramine phytotoxicity yasingathwa ngokungafaki umanyolo we-ammoniacal, noma ngokubola kusetshenziswa. imisebe ye-ultraviolet ngemuva kokwelashwa kwe-electrochemical, umkhuba ongathuthukisa ukungasebenzi kwe-microbial. I-RisEHC iyithuluzi elisebenzayo lokulungisa isixazululo sokuvundisa lapho ukukhiqizwa kwe-chloramine kugwenywa noma kuncishiswa.
Ngokusho kombhali oholayo, "Uma i-controlled Environment Agriculture (CEA) ivala ngokuphelele i-loop yamanzi (okungukuthi, ukukhipha i-zero), ubuchwepheshe obuzoqinisekisa ukuthi izixazululo zihlala zingenayo i-pathogen ngaphandle kokuqoqwa kwezibulala-magciwane noma imikhiqizo eyingozi yokubulala amagciwane. Sakhe indlela ye-RisE HC ngenhloso yokuhlinzeka ngobuchwepheshe obuzoqeda imikhawulo eminingi ekufakweni kwe-chlorination kwe-horticultural ngangokunokwenzeka. Ukungavikeleki kokudla kuyanda emhlabeni wonke futhi sithemba ukuthi ubuchwepheshe obufana ne-RisE HC bungathuthukisa ukusimama kokukhiqizwa kwezitshalo zokudla kwe-CEA (kanye nezimbali).
Iphepha lishicilelwa kujenali I-HortScience.