ʻO kekahi pilikia o ka ulu ʻana i ka ʻuala, ʻo ia ka haumia o nā mea kanu. Inā nui ka mauʻu, hiki ke emi ka hua ʻuala ma 20-25% a ʻoi aku paha.
Lawe ka nahele i ka makū a me nā meaʻai mai ka lepo, a ʻo ka hopena, ʻaʻole lawa ka ʻuala i nā meaʻai e pono ai no ka ulu maikaʻi a me ka ulu ʻana. Me kahi kiʻekiʻe o ka infestation, hiki i nā nāhelehele ke ʻoki i nā mea kanu ʻuala i ka wā kanu, e hoʻopilikia maikaʻi ʻole i ka photosynthesis a me ka hoʻokumu ʻana o ka ʻōmaʻomaʻo o ka mea kanu a laila alakaʻi i nā poho nui i ka hua.
ʻO ka lālā o ka Federal State Budgetary Institution "Rosselkhoztsentr" ma ka Krasnoyarsk Territory e hana i ka hana i ka nānā ʻana, helu ʻana i ka helu a me ka hoʻoholo ʻana i ke ʻano ʻano o nā mauhele.
Ma ka Teritori o Krasnoyarsk, ʻo nā ʻano mauʻu maʻamau i ke kanu ʻana i ka ʻuala, ʻo ia ka lūlū lūlū, ka mauʻu maloʻo, ka mauʻu acorn i hoʻohuli ʻia, ka puaʻa keʻokeʻo, ka puaʻa māla, a me ka mauʻu palaoa kolo.
Ma muli o nā noiʻi i alakaʻi ʻia e nā loea mai ka lālā o ka Federal State Budgetary Institution "Rosselkhoztsentr" ma ka Territory Krasnoyarsk, loaʻa i nā mea hana mahiʻai kahi hōʻike nānā ʻana i nā mea kanu me kahi papa inoa o nā nāhelehele maʻamau ma ka pūnaewele. Inā ʻoi aku ka nui o ka paepae o ka pōʻino no ka contamination, hāʻawi ka poʻe loea i nā ʻōlelo aʻoaʻo e pili ana i ka mālama ʻana i ka wahi me nā herbicides, e like me ka papa inoa o nā pesticides a me nā agrochemical i ʻae ʻia no ka hoʻohana ʻana ma ka ʻāina o ka Russian Federation, inā pono, me ke koho ʻana i ka mea hana o ka laau lapaau.
I kēia manawa, ʻo kekahi o nā ala maikaʻi loa o ka hoʻopaʻa ʻana i ka mauʻu, ʻo ia ka hoʻohana ʻana i nā huahana pale kemika (ka hoʻohana ʻana i nā herbicides). ʻO ke koho kūpono o ka mea hana o ka lāʻau lapaʻau, me ka hoʻokō ʻana i nā kūlana a me nā kūlana o ka hoʻohana ʻana, hiki ke hōʻemi i ka helu a me ka hopena maikaʻi ʻole o ka mauʻu i ka ʻuala, kahi hopena maikaʻi i ka maikaʻi a me ka nui o ka hua.
ʻO ka hoʻohana noʻonoʻo ʻole o nā herbicides, me ka ʻole o ka noʻonoʻo ʻana i ke ʻano o ka ʻano o nā nāhelehele a me ke koho kūpono o nā mea hana o nā pesticides, e komo i nā kumukūʻai waiwai "ʻole". Lohe pinepine mākou mai nā mea mahiʻai i ka mālama ʻia ʻana o kā lākou mahinaʻai me ka mauʻu, no ka laʻana me ka bindweed, akā ʻaʻohe hopena. ʻO kekahi o nā kumu nui o kēia ke koho hewa ʻole o ka mea hana o ka lāʻau lapaʻau. ʻO ka nānā ʻana i nā mea kanu e nā poʻe loea o ka lālā o ka Federal State Budgetary Institution "Rosselkhoztsentr" ma ka Territory Krasnoyarsk e hiki ai ke hoʻoholo i ke ʻano o nā mea kanu i kēlā me kēia wahi a koho i nā herbicides kūpono loa no ka luku a hōʻemi ʻana i ka nui o nā mea ʻino.