Ngenxa yokuthi ukuguquka kwesimo sezulu kuthinta ukukhiqizwa kwezolimo eCanada, ososayensi bakubona kufanelekile ukuqala ukubona kanye / noma ukuthuthukisa izinhlobo ezintsha zamazambane ezingakhiqiza isivuno esikhulu ngamazinga okushisa aphezulu, kubhala iqembu labaphenyi eMnyangweni Wezolimo waseCanada (AAFC).
Ubhatata uqhamuka ezindaweni ezinendawo ebandayo (i-Andes eseNingizimu Melika), lapho isakhula khona endle futhi isebenza njengezinto zokwakha izinhlobo. Kepha ukufudumala kwembulunga yonke kwenza izinguquko.
U-Xu-Qing Li, omunye wabaphenyi e-AAFC, uphawule ukuthi ihlobo liya lishisa futhi isimo sezulu sidala ukushisa kwamazambane aseCanada.
Waqala ukufunda izinhlobo zamazambane zanamuhla ezitshalwa ngokuzikhandla eCanada ukuthola ukuthi iziphi ezivimbela ukushisa kakhulu. Uyethemba ukuthi uzokhomba izinhlobo zofuzo ezibhekene nokumelana nokushisa nokuzifaka ezinhlobonhlobo zesikhathi esizayo kungaba ngeziphambano zofuzo noma ngokuguqulwa okuqondile.
"Ukushintshwa kwesimo sezulu kusongela ukukhiqizwa kwamazambane esizayo, kepha ezinye izinhlobo zimelana nokushisa kunabanye," uLee uyachaza. "Uma sizoqhubeka nokukhulisa amazambane, kufanele sikhombe izinhlobo ezingabekezelela ukucindezela ukushisa."
U-Lee ubeka isibonelo seStatistics Canada, esikhombisa ukwehla kwezinga le-2016% ezithelweni zamazambane e-Ontario ngonyaka we-17,2 uma kuqhathaniswa nenkathi ka-2015.
Ukuwohloka kwesimo sokuvunwa kwezilimo zalesi sitshalo esibalulekile ngenxa yokushisa komhlaba kungaphazamisa kakhulu ukukhiqizwa kwamazambane eCanada, futhi kukhombisa nezinkinga ezingaba khona zamazambane akhula kwamanye amazwe lapho isimo sezulu sifana neCanada.
Njengoba ukuthuthukiswa kwezinhlobonhlobo ezintsha kuthatha ishumi leminyaka noma ngaphezulu, ngokwenyuka kokushisa okucatshangelwayo ngasekupheleni kwalelikhulu leminyaka kuya kumadigri amabili, abafuyi bezinkomo kudingeka baqale ukusebenza ngezinhlobonhlobo ezingabekezelela ukushisa ngokushesha.