Masayendisiti epaPurdue University ari kutsvaga varimi kuti vapinde muzvirongwa zviviri zvakanangana nekusimudzira fetireza nembeu yezvirimwa zvakasiyana. David Cammarano, Associate Purofesa weAgronomy, achashandisa kure kure sensing uye data sainzi kuti awedzere purofiti yepurazi uku achideredza njodzi yezvakatipoteredza.
Chirongwa chekutanga, chirongwa chakabatana pakati peYunivhesiti yeMinnesota nePurdue, chinotsvaga kutsvaga varimi muIndiana neMinnesota vanoda kuyedza nzira dzekushandisa nitrogen. Vasati vadyara chibage, vanozokumbirwa kuti vaise madhamu akasiyana enitrogen mumitsetse. Gare gare, vaongorori vanowana setiraiti kana mifananidzo yemuchadenga yeminda uye voshandisa iyo data kugadzira akasiyana mwero wenitrogen fertilization.
Nhasi, 20 muzana chete yevarimi kuMidwest vanodzidzira kuona nitrogen application pamapurazi avo. Iyo data ichabatsira Cammarano nevamwe vake kuona mareti ekushandisa ayo anopa yakakura kwazvo agronomic, hupfumi uye zvakatipoteredza mabhenefiti ezvakasiyana siyana zvemapurazi, zvichibvumira varimi vazhinji kushandisa nzira dzenitrogen nechivimbo.
"Data ratinounganidza richatibatsira kugadzira zvirongwa zvekushandisa nitrogen mumamiriro ezvinhu chaiwo uye kune zvirimwa chaizvo," akadaro Cammarano, ane ruzivo runosanganisira kuenzanisira kwezvirimwa, kuona kure uye kurima chaiko. "Tiri kushandisa maturusi ekurima edhijitari kuunza rubatsiro rwakanyanya kuvarimi uye nharaunda."
Vatsvagiri vari kutsvaga minda gumi inosvika maeka makumi matatu mumatunhu akasiyana mukusagadzikana kwavo kusvibiswa kwemvura yepasi pe nitrate. Aya achave Jasper, Cass, Miami, Carroll, Blackford, Henry, Hendrix, Shelby, DuBois, uye Wonderburg matunhu muIndiana.
Varimi vanofanira kunge vakakodzera kupinda muchirongwa cheEnvironmental Quality Incentive Programme (EQUIP) uye vave nemurairidzi wezvirimwa anoda kushanda pamwe chete nechirongwa ichi. Sarudzo inopihwa kune avo vane mepu dzefotereza, minda, goho uye data remuenzaniso wevhu kwemakore masere kusvika gumi apfuura.
Varimi vari kutora chikamu mukutsvaga vachawana $1000 uye muripo wekurasikirwa kwechirimwa. Vanachipangamazano vezvirimwa vachawana $300 pamunda.
Chirongwa chechipiri chekubatana chinotungamirwa neYunivhesiti yeIllinois chiri kutsvaga varimi vekotoni, chibage, soya, uye gorosi kubva kuIndiana, Arkansas, Idaho, Illinois, Louisiana, Texas, Michigan, Minnesota, Montana, Nebraska, North Dakota, Ohio, South Dakota, uye Washington yekuvandudza nzira dzefetereza.
Vatsvagiri vanozopa varimi maturusi avanogona kushandisa kuita chaiwo, humbowo-hwakavakirwa ongororo yehupfumi uye kwezvakatipoteredza kukanganisa kweiyo nitrogen, phosphorus uye yekudyara chiyero chekutonga nzira.
“Tiri kutsvaga mikana yekuti varimi vawane pundutso pamitengo yembeu nekuisa fetereza,” akadaro Cammarano. “Tikawana goho repakati nepakati nefotereza shoma, hatibatsirike munyaya dzeupfumi chete, asiwo nezvenharaunda.