Sehloohong sena, re hlahloba karolo ea bohlokoa ea tšepe temong ea onion le ho hlahloba mekhoa ea ho ntlafatsa ts'ebeliso ea eona ho eketsa chai. E tšehelitsoe ke lintlha tsa morao-rao le lintlha tsa saense, re buisana ka bohlokoa ba tšepe e le micronutrient ea bohlokoa, re hlahloba phello ea eona ho nts'etsopele ea onion, 'me re fana ka leseli ka liphello tsa khaello ea tšepe. Fumana hore na ho ntlafatsa ts'ebetso ea tšepe joang ho ka u notlolla bokhoni bo felletseng ba sejalo sa hau sa onion.
Iron e bapala karolo ea bohlokoa lits'ebetsong tse fapaneng tsa 'mele tsa eiee, ho kenyelletsa le chlorophyll synthesis, ts'ebetso ea enzyme, le karabelo ea phetiso ea elektrone. Joaloka micronutrient, tšepe e hlokahala ka bongata bo fokolang, empa khaello ea eona e ka sitisa kholo le tlhahiso ea onion haholo. Ka hona, ho netefatsa hore ho na le tšepe e lekaneng ho bohlokoa bakeng sa temo e atlehileng ea eiee.
Ho ea ka boitsebiso bo tsoang Univesithing ea California Cooperative Extension, khaello ea tšepe ke bothata bo tloaelehileng tlhahisong ea onion, haholo-holo mobung oa alkaline le calcareous. Matšoao a khaello ea tšepe a kenyelletsa ho ba mosehla ha makhasi (chlorosis), ho putlama ho hola, le ho fokotseha ha boholo ba tleloubu. Ho bohlokoa hore lihoai le litsebi tsa temo li elelloe matšoao ana le ho rarolla khaello ea tšepe kapele ho qoba tahlehelo ea chai.
Ho ntlafatsa ho fumaneha ha tšepe bakeng sa limela tsa onion, ho ka sebelisoa mekhoa e fapaneng. Ntlha ea pele, tlhahlobo ea mobu e lokela ho etsoa ho hlahloba boemo ba tšepe ka nepo. Ho ipapisitsoe le liphetho, mehato ea tokiso e ka nkuoa, joalo ka ho sebelisa chelate ea tšepe kapa li-spray tsa foliar tse nang le tšepe. Ho feta moo, ho boloka maemo a pH a mobu a nepahetseng, ho qoba nosetso e feteletseng, le ho kenyelletsa lintho tse phelang ho ka kenya letsoho ho ntlafatseng ho kenngoa ha tšepe ke limela tsa onion.
Tsoelo-pele ea mekhoa ea tsamaiso ea tšepe e bontšitse liphello tse tšepisang ho matlafatsa chai ea onion. Mohlala, phuputso e phatlalalitsoeng ho Journal of Horticultural Science and Biotechnology e fumane hore ts'ebeliso ea menontsha e ruisitsoeng ka tšepe e ekelitse boholo ba tleloubu, chai e rekisoang, le likahare tsa limatlafatsi ho eiee. Liphuputso tsena li totobatsa bokhoni ba ts'ebetso ea tšepe e le mokhoa oa ho ntlafatsa tlhahiso ea onion.
Liphello tsa khaello ea tšepe temong ea onion li fetela ka ntle ho chai e fokotsehileng. E ka boela ea ama boleng ba lijalo, kaha tšepe e phetha karolo ea ho bokella metsoako e molemo joalo ka li-antioxidants le flavonoids. Ka ho sebetsana le bofokoli ba tšepe, lihoai li ke ke tsa ntlafatsa feela chai ea eiee empa hape le ho ntlafatsa boleng ba phepo le ho rekisoa ha lihlahisoa tsa bona.
Qetellong, ho ntlafatsa tsamaiso ea tšepe ho bohlokoa bakeng sa ho eketsa tlhahiso ea onion le ho netefatsa lihlahisoa tsa boleng bo phahameng. Ka ho utloisisa bohlokoa ba tšepe e le limatlafatsi tse nyane, ho lekola boteng ba eona mobung, le ho kenya tšebetsong mehato e nepahetseng ea tokiso, lihoai li ka fokotsa khaello ea tšepe le ho notlolla bokhoni bo felletseng ba lijalo tsa bona tsa eie. Ho amohela maano ana ho tla kenya letsoho katlehong le phaellong ea temo ea onion.
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