Tsvagiridzo nyowani yemunda kubva kuClarkson University iri kumusoro kweNew York iri kutarisa kuti hutachiona hunogona kufamba sei kubva kunzvimbo dzekushandisa mupfudze kuenda kumhepo inogadzirwa. Chikwata chekutsvaga, chinotungamirwa na Shane Rogers, mumwe purofesa we civil and environment engineering, akayera kuti mabhakitiriya anowanikwa kure zvakadini—kusanganisira Salmonella uye E. coli- vanogona kufamba nemhepo kubva kunzvimbo dzekuisa mupfudze.
"Chinangwa chedu chaive chekupa hurongwa hune musoro hwekudzidza nzira iyi," akadaro Rogers.
Chikwata chakashandisa data remumunda kunzwisisa kuti mabhakitiriya aya anofamba sei kubva kunzvimbo dzekushandisa mupfudze kugadzira. Tsvakurudzo yakatora makore matatu. Vakatora masampuli pazvinhambwe zvakati wandei kubva kunzvimbo dzekushandisa mupfudze uye vakayera kuvepo kwehutachiona hunokonzera chirwere.
Vatsvakurudzi vakashandisa mhando dzemakombiyuta kuwedzera kunzwisisa kwavo.
"Hazvigoneke kuwana kuyerwa kwese kwese kwemamiriro ezvinhu angave aripo," Rogers akadaro. "Mamodheru anotitendera kufanotaura kusvibiswa pamusoro pehuwandu hwakakura hwemamiriro angangoitika kupfuura zviyero zvedu zvakabikwa."
Izvi zvinosanganisira mhando yemupfudze, nzvimbo yepurazi, uye mamiriro ekunze panguva inoiswa mupfudze.
Chikwata chakaongorora zvakare njodzi yekurwara. Izvi zvakapa boka racho kunzwisisa zviri nani kuti munhu angangorwara sei kubva muzvibereko kana huwandu hwebhakitiriya huripo.
Kubatanidza data rese iro, timu yakaona kuti minda yekugadzira inofanirwa kudzoserwa kumashure kubva kunzvimbo dzekushandisa mupfudze neinosvika 160 metres. Chinhambwe ichocho chinofanira kubatsira kudzikisa njodzi yechirwere chekudya kusvika kumazinga anogamuchirwa (1 mu10,000). Rogers akasimbisa kuti zano nderekudzosera kumashure zvishoma.
"(160 metres) idiki daro rinogadzira varimi rinofanira kuchengetedza pakati pezviitwa zvekushandisa mupfudze uye kugadzira nzvimbo dzinokura," akadaro Rogers.
Kuwedzera kureba uye kunonoka pakati pekuisa mupfudze nekukohwa kunopa imwe dziviriro.
The kudzidza inowanikwa muChinyorwa cheEnvironment Quality. Chirongwa ichi chakatsigirwa neNational Research Initiative Competitive Grant uye Agricultural Food and Research Initiative (AFRI) kubva ku. National Institute of Food and Agriculture (NIFA) Air Quality Program.