Zvinoenderana nedhata reIrkutskstat, kubvira 2000 nzvimbo yakadyarwa mbatatisi mumapurazi evagari venharaunda yeIrkutsk yakadzikira ka2,5 nguva, uye goho rakakura rembatatisi rakaderera ne2,2 nguva.
Neakaderedzwa acreage, varimi, kuburikidza nekushandiswa kwemhando dzakasiyana-siyana uye matekinoroji emazuva ano, vakawana kuwedzera mukugadzirwa: kana muna 2000 vakakohwa 29,7 zviuru zvematani matatata, ipapo muna 2019 - 36,3 zviuru ematani. Chibereko chembatatisi mumasangano ezvekurima, sekutonga, chakakwirira kupfuura kune mamwe mapurazi.
"Nekuda kwekudzikiswa kwezvirimwa mudunhu reAngara, zviwanikwa zvembatatisi zviri kuramba zvichidzikira, chirongwa ichi chawana chimiro chakasimba kubva muna 2009. Kunze kwenyika, kusanganisira kupinza kunze kwenyika, kuri kuwedzera, asi mugove wavo mune zviwanikwa zvidiki (1%). Izvo zvinofadza kucherechedza kuderera kwegore negore mukurasikirwa, asi panguva imwechete kugadzirwa uye kushandiswa kwega uye masheya pakupera kwegore ari kudzikira. Zvakadaro, kudyiwa kwemunhu wese wembatatisi kunochinja zvisingaite, ichi chigadzirwa chakakoshesa chinoramba chiri chimwe chevashoma icho chinogonesa kuzadzikiswa munzvimbo yeIrkutsk, "Irkutskstat inoshuma.