Idethi: Januwari 14, 2025
Ngu: [Yena]
Indawo: Washington, DC - Emgudwini wenguquko kwezolimo zesimanje, izinzwa zegesi eziphathwa ngesandla zamukelwa ngokushesha kulo lonke elase-United States, okuthuthukisa ikhono labalimi lokuqapha impilo yenhlabathi nezitshalo, ukuphatha izinambuzane, kanye nokwandisa izinqubo zokuvundisa. Lawa madivayisi athuthukisiwe anikezela ngezilinganiso ezisheshayo, ezikhona lapho amagesi afana ne-ammonia (NH3), i-methane (CH4), i-carbon dioxide (CO2), ne-nitrous oxide (N2O), ehlinzeka ngedatha ebalulekile engaqinisa ukuthela futhi ithuthukise izinqubo zokusimama.
Ukubaluleka Kokuqapha Igesi Kwezolimo
Ukukhishwa kwegesi kudlala indima enkulu emkhiqizweni wezolimo kanye nomthelela wemvelo. Isibonelo, ukukhishwa kwe-ammonia ngokweqile okuvela kumanyolo kungaholela ekwenzeni umhlabathi ube ne-asidi futhi kuthinte impilo yezitshalo. I-methane ne-nitrous oxide, amagesi abamba ukushisa anamandla, akhishwa phakathi nezinqubo ezihlukahlukene zezolimo, kuhlanganise nokugayeka kokudla kwemfuyo nokuvundiswa.
Njengoba ukuguquka kwesimo sezulu kuqinisa inselelo yokukhiqizwa kokudla, isidingo sedatha enembile nenesikhathi sangempela asikaze sicindezeleke kakhulu. Ukwethulwa kwezinzwa zegesi eziphathwa ngesandla kuvumela abalimi ukuthi benze izinqumo ezinolwazi ezinganciphisa ngempumelelo ukukhishwa kwegesi futhi zithuthukise ukuphathwa kwezitshalo.
Indlela Izinzwa Zegesi Ephathwayo Esebenza Ngayo
Izinzwa zegesi eziphathwa ngesandla zisebenzisa ubuchwepheshe bezinzwa obuthuthukisiwe, ngokuvamile obusekelwe kuzimiso zokulinganisa i-electrochemical noma optical, ukuze zithole futhi zilinganise amagesi athile emkhakheni. Lezi zixhobo ezihlangene zinikeza abalimi impendulo esheshayo mayelana nokugcwala kwegesi, okuvumela ukuthathwa kwezinqumo ngokushesha ezimeni ezifana nalezi:
Izindlela Zokuvundisa: Abalimi bangakwazi ukuqapha amazinga e-ammonia ngesikhathi sokuvundisa ukuze bagweme ukusebenzisa ngokweqile futhi banciphise ukukhishwa kwe-atmospheric.
Ukuhlola Impilo Yezitshalo: Ngokukala ukukhishwa kwegesi emhlabathini noma ezitshalweni, abalimi bangahlola impilo yezitshalo futhi balungise izindlela zokuphatha ngendlela efanele.
Ukulawulwa Kwezinambuzane: Izinzwa zegesi zingathola ama-volatile organic compounds (VOCs) akhishwa izitshalo ngaphansi kwengcindezi, axwayise abalimi ngokuhlaselwa yizinambuzane noma ukuqubuka kwezifo.
Isebenziseka kalula futhi iyasebenza
Izinzwa zakamuva zegesi eziphathwa ngesandla zidizayinelwe ukuthi zisebenziseke kalula, zibandakanya ukuxhumana okulula namadizayini angasindi avumela abalimi ukuthi bazithwale kalula ensimini. Amadivayisi amaningi axhumeka kuma-smartphone noma amathebulethi, avumela ukuhlaziya idatha yesikhathi sangempela kanye nokubona ngeso lengqondo.
“Lobu buchwepheshe buye benza umehluko omkhulu endleleni esigada ngayo amasimu ethu,” kusho uLena Carter, umlimi wommbila e-Iowa. "Ngingakwazi ukuhlola amazinga e-ammonia ngemva nje kokufaka umanyolo esikhundleni sezinsuku zokulinda imiphumela yelebhu. Kuyonga isikhathi futhi kusisiza ukuba silime ngokuqhubekayo."
Ukwesekwa Kokulawula Nokuxhaswa Ngezimali
UMnyango Wezolimo wase-US (i-USDA) kanye neminyango ehlukahlukene yezolimo yezwe iya ngokuya ikubona ukubaluleka kwalobu buchwepheshe. Kuyasungulwa izinhlelo ezizosiza ukuxhasa ngemali ukuthengwa kwezinzwa zegesi futhi zinikeze ukuqeqeshwa ngokusetshenziswa kwazo. Isevisi ye-USDA's Natural Resources Conservation Service ikhuthaza lezi zinzwa njengethuluzi labalimi abafuna ukusebenzisa izinqubo ezithinta imvelo.
“Ukusetshenziswa kwezinzwa zegesi eziphathwa ngesandla kuyinzuzo enkulu kubalimi nasendaweni ezungezile,” kuchaza uDkt. Maria Gonzalez, isazi sezobuchwepheshe kwezolimo. “Abalimi bangakwazi ukwenza ngcono izinqubo zabo, kuyilapho thina ngesikhathi esifanayo sisebenzela ukunciphisa ukukhishwa kwesisi esingcolisa umoya emkhakheni wezolimo.”
Izinselele kanye Neziqondiso Zesikhathi esizayo
Nakuba izinzuzo zezinzwa zegesi eziphathwa ngesandla zicacile, izinselele zisekhona. Izindleko zokuqala zingaba isithiyo kwabanye abalimi, ikakhulukazi labo abasebenza ezindaweni ezincane. Ngaphezu kwalokho, ijika lokufunda likhona njengoba abakhiqizi bejwayela ukuhlanganisa lobu buchwepheshe emisebenzini yabo.
Ukuze kubhekwane nalezi zinselele, ukubambisana phakathi kwezinkampani zobuchwepheshe, izinsizakalo zokwelulwa kwezolimo, namanyuvesi kuyavela ukuze kunikeze izinhlelo zokuqeqesha ezisiza abalimi baqonde indlela yokusebenzisa nokuhumusha idatha evela kuzinzwa zegesi ngempumelelo.
Isiphetho: Ukuvula Indlela Yokulima Okusimeme
Njengoba abalimi kulo lonke elase-United States bakhula besebenzisa izinzwa zegesi eziphathwa ngesandla, ikhono lokuqapha nokuphatha izinqubo zezolimo ngesikhathi sangempela lilungisa kabusha isimo sokulima kwesimanje. Lobu buchwepheshe abugcini nje ngokwenza abalimi benze ngcono izivuno zabo zezitshalo kodwa futhi bubanika amandla okuthatha izinyathelo eziqinile zokusimamisa kanye nokunakekela imvelo.
Ikusasa lezolimo liya ngokuya licaca ngazo zonke izilinganiso ezithathwayo kulo mkhakha. Ngokuthuthuka okuqhubekayo kobuchwepheshe benzwa yegesi kanye nokwesekwa okwandayo kokulawula, kungenzeka ukuthi lezi zixhobo eziphathwa ngesandla zizodlala indima ebalulekile ekufuneni umkhakha wezolimo osimeme futhi okhiqizayo eminyakeni ezayo.
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Isikhathi sokuthumela: Jan-14-2025