Abalimi esifundeni saseNovgorod ngo-2021 babe namahektha angama-20 ezindawo zokugcina izithombo zazo zonke izinhlobo. Bavune amathani ayizinkulungwane ezimbili emifino: u-2% wesivuno wawela kukhukhamba, u-66% - kutamatisi. Esakhiweni sabo bonke abakhiqizi bezolimo esifundeni, abalimi batshala imifino engu-34% futhi bandise isabelo sabo. Kubikwa ngabakwaNovgorodstat. Ngokusho kwe-ejensi, eminyakeni eyisikhombisa edlule, isivuno semifino ezindaweni zokugcina izithombo ezivela kubalimi kanye nosomabhizinisi ngabanye esifundeni saseNovgorod sikhule izikhathi ezingu-16. Kanye namakhukhamba atshalwe ngokwesiko kanye notamatisi, bahlanganyela ekukhiqizeni imbewu yokuqala yama-tubers amazambane amancane. Imbewu enempilo itholakala nge-micropropagation kumashubhu okuhlola. Lokhu kuvumela abalimi ukuthi bathole isivuno esiphezulu sezitshalo futhi banciphise izindleko zezindlela zamakhemikhali zokulawula izifo.