#GreenFertilizer #SustainableAgriculture #ClimateChangeMitigation #RenewableEnergy #NitrousOxideEmissions
Poyang'anizana ndi nkhawa zomwe zikuchulukirachulukira pakusintha kwanyengo komanso momwe zimakhudzira ulimi, ofufuza ochokera ku Iowa State University ndi Wichita State University akuyamba ntchito yayikulu yomwe cholinga chake ndikusintha kachulukidwe ka feteleza. Ntchitoyi ikufuna kuthana ndi zovuta ziwiri zazikulu nthawi imodzi: kuchepetsa mpweya wowonjezera kutentha komanso kupanga njira yokhazikika yopangira feteleza wolemera kwambiri.
Kukonzekera kwa Green Fertilizer System
Ntchito yothandizana pakati pa Iowa State University ndi Wichita State University imayang'ana pakupanga njira yochepetsera yomwe imagwira zinyalala za nayitrogeni ndi carbon dioxide kuti apange feteleza wapadera wa "green urea". Zomwe zimachititsa kuti dongosololi likhale lothandizira kuchepetsa kwambiri mpweya wa nitrous oxide (N2O) - mpweya wowonjezera kutentha umene uli wamphamvu 300 kuposa carbon dioxide (CO2).
Pachimake, polojekitiyi ikufuna kupanga zida, njira, ndi ma reactors kuti agwire ndi kutembenuza zinyalala za nayitrogeni ndi carbon dioxide. Pogwiritsa ntchito zinthu zomwe zagwidwazi, ochita kafukufukuwa akufuna kupanga feteleza wobiriwira wa urea yemwe ali ndi lonjezo la kuchepetsa mpweya wowonjezera kutentha.
Zotsatira za Green Fertilizer Revolution
Mphamvu Zachilengedwe
Kupanga feteleza wobiriwira kumeneku kumakhudza kwambiri chilengedwe. Kuchepetsa mpweya wa nitrous oxide, womwe umachokera ku feteleza wamba, kungathandize kwambiri kuchepetsa zomwe gawo laulimi limathandizira pakusintha kwanyengo. Pogwira zinyalala za nayitrogeni ndi carbon dioxide, kenako n’kuzisandutsa feteleza wogwiritsiridwa ntchito, pulojekitiyi ikulimbana ndi zovuta ziwiri za chilengedwe nthawi imodzi - kuchepetsa zinyalala ndi kuletsa kutulutsa mpweya wowonjezera kutentha.
Kukhazikika kwachuma pazaulimi
Kupitilira pazabwino zake zachilengedwe, ntchitoyi imayang'ananso kulimbikitsa kulimba kwachuma pazaulimi ku Midwest. Monga dera lomwe limadalira kwambiri ulimi ndi ulimi, Midwest ali pachiwopsezo chachikulu cha kusintha kwa nyengo. Popereka yankho lokhazikika komanso lachidziwitso monga feteleza wobiriwira wa urea, ochita kafukufukuwa akufuna kuteteza kutha kwa ntchito zaulimi poyang'anizana ndi ziwopsezo zanyengo.
Kuphatikiza kwa Mphamvu Zongowonjezwdwa
Mbali yofunika kwambiri ya kukhazikika kwa polojekitiyi ndi kuphatikizika kwake kwa magwero a mphamvu zongowonjezwdwa. Ofufuzawa akukonzekera kugwiritsa ntchito mphamvu ya mphepo ndi dzuwa kuti apange mphamvu ya electrochemical synthesis ya feteleza wobiriwira. Izi sizimangochepetsa kuchuluka kwa chilengedwe pakupanga feteleza komanso zimagwirizana ndi mphamvu ya Midwest pakupanga mphamvu zambiri zongowonjezera.
Kutsiliza
Mgwirizano pakati pa Iowa State University ndi Wichita State University ndi chitsanzo cha njira yolimbikitsira kuthana ndi zovuta zaulimi wamakono komanso kusintha kwanyengo. Poganiziranso momwe feteleza amapangidwira, magulu ochita kafukufuku ali okonzeka kuchepetsa kwambiri mpweya wotenthetsa mpweya, kupititsa patsogolo chuma cha alimi, ndikulimbikitsa ulimi wokhazikika. Ntchitoyi sikuti imangofuna kusintha kusintha kwa feteleza komanso imagwira ntchito ngati umboni wa mphamvu za mayankho opangidwa ndi kafukufuku pochepetsa zovuta za kusintha kwa nyengo.