Chojambula chotchedwa "humigator" chikuthandiza alimi a mbatata m'dziko lonselo kuti azilamulira mbatata zawo chaka chonse.
Garry Isaacs, mlengi wa oseketsa, ochokera ku Idaho, USA, adapanga chiwonetsero choyamba mu 1985. Iye adati dzinali ndi kuphatikiza kwa mawu chinyezi ndi fumigator. Ntchito yake yayikulu ndikutsuka malo osungira mbatata, potero tizilombo toyambitsa matenda tomwe timayambitsa matenda monga siliva ndi matenda akuda amachotsedwa.
Isaacs adati iyi ndi njira yachilengedwe yopangidwa popanda kugwiritsa ntchito mankhwala.
"Palibe amene adaganizapo zochotsa tizilombo toyambitsa matenda mlengalenga mpaka titabwera," adaterohttp://www.localnews8.com.
Ukadaulo umatero potengera njira yachilengedwe ya mvula. "Humigator" imayamwa mlengalenga ndikusakanikirana ndi madzi pang'ono. Kenako imabweretsedwa mu thanki la makinawo ndipo mpweya wabwino wa chinyezi umatulutsidwa.