Gxumela emhlabeni othakazelisayo wokutshalwa kwe-ulethisi ezindlini zokugcina izithombo futhi wembule izimfihlo zokuthola umbala obomvu ophelele emaqabunga akho e-ulethisi. Funda ukuthi ukwandisa amazinga okukhanya, ukwenza imvelo ibe ngcono, nokukhetha izitshalo ezifanele kungaholela ezitshalweni ezijabulisayo, ezinempilo kanye nesivuno esibukekayo.
Emkhakheni wokulima kwe-greenhouse, ukuzuza imibala ebomvu egqamile emaqabunga e-ulethisi akukhona nje mayelana nobuhle-kuyisayensi. Ngokocwaningo lwakamuva, ukuchayeka ekukhanyeni okufanele kubalulekile ukuze kwakhiwe i-anthocyanin pigments, izinhlanganisela ezibangela umbala obomvu ezinhlotsheni ezithile zikalethisi. Ocwaningweni olwanyatheliswa kuyi-Journal of Agricultural and Food Chemistry, abacwaningi bathola ukuthi ukubeka izitshalo ze-ulethisi endaweni ethile yokukhanya kungathuthukisa kakhulu ukuqoqwa kwe-anthocyanin, okuholela embala obomvu oshubile.
Kodwa akukhona nje ngokugcwalisa i-greenhouse yakho ngokukhanya. Izimo ezifanele zemvelo zidlala indima ebalulekile ekuqinisekiseni ukuthi ulethisi wakho uzuza amandla awo ombala ogcwele. Izinga lokushisa, umswakama, namazinga omsoco kumele konke kulinganiswe ngokucophelela ukuze kwakhiwe indawo ekahle yokukhula.
Ukwengeza, ukukhetha kwe-cultivar akukwazi ukushaywa indiva. Izinhlobonhlobo ze-lettuce ziyahlukahluka ekuphenduleni kwazo ekukhanyeni nezimo zemvelo. Ngokukhetha ama-cultivar aziwa ngokuba nombala obomvu ogqamile futhi afanelekela ukutshalwa kwe-greenhouse, abalimi bangathuthukisa ukubukeka kwesivuno sabo.
Ngokwezinto ezibonakalayo, lokhu kusho ukunaka kakhulu ukusethwa kwakho kwe-greenhouse. Qinisekisa ukuthi uhlelo lwakho lokukhanyisa luhlinzeka nge-spectrum efanele namandla okukhanya ukuze kuthuthukiswe i-anthocyanin. Gada futhi ulungise amapharamitha emvelo afana nezinga lokushisa kanye nomswakama ukuze udale izimo zokukhula ezifanele. Futhi lapho ukhetha ama-cultivars, beka phambili lawo anerekhodi eliqinisekisiwe lokukhiqiza amaqabunga abomvu aqhakazile kuzilungiselelo ze-greenhouse.
Sengiphetha, ukuzuza ulethisi obomvu oqhakazile ekulimeni kwe-greenhouse kudinga indlela ephelele ecubungula izimiso zesayensi nokusebenza okungokoqobo. Ngokwandisa amazinga okukhanya, ukwenza ngcono indawo ekhulayo, nokukhetha izinhlobo zezitshalo ezifanele, abalimi bangavula amandla aphelele ezitshalo zabo zikalethisi futhi bajabulise abathengi ngemikhiqizo ebukekayo, enomsoco.