Usuku: 14 Januwari 2025
Ngu: [Yena]
Indawo: eWashington, DC — Emdlalweni oguqulayo kwezolimo zanamuhla, izinzwa zegesi eziphathwayo ziyasetshenziswa ngokushesha kulo lonke elase-United States, okuthuthukisa ikhono labalimi lokuqapha impilo yenhlabathi nezitshalo, ukuphatha izinambuzane, nokuthuthukisa izinqubo zokufaka umanyolo. Lawa madivayisi athuthukile anikeza ukulinganiswa okusheshayo, okuqondile kwamagesi afana ne-ammonia (NH3), i-methane (CH4), i-carbon dioxide (CO2), kanye ne-nitrous oxide (N2O), okunikeza idatha ebalulekile engaqinisa isivuno futhi ithuthukise imikhuba yokuzinza.
Ukubaluleka Kokuqapha Igesi Kwezolimo
Ukukhishwa kwegesi kudlala indima ebalulekile ekukhiqizweni kwezolimo kanye nomthelela emvelweni. Isibonelo, ukukhishwa kwe-ammonia ngokweqile okuvela kumanyolo kungaholela ekwandeni kwe-asidi enhlabathini futhi kuthinte impilo yezitshalo. I-Methane ne-nitrous oxide, amagesi okushisa anamandla, akhishwa ngesikhathi sezinqubo ezahlukene zezolimo, okuhlanganisa ukugaya kwemfuyo kanye nokufaka umanyolo.
Njengoba ukuguquka kwesimo sezulu kwandisa inselele yokukhiqizwa kokudla, isidingo sedatha enembile neyangempela asikaze sibe sikhulu kangaka. Ukwethulwa kwezinzwa zegesi eziphathwayo kuvumela abalimi ukuthi benze izinqumo ezinolwazi ezinganciphisa ngempumelelo ukukhishwa kwegesi futhi zithuthukise ukuphathwa kwezitshalo.
Indlela Izinzwa Zegesi Eziphathwayo Ezisebenza Ngayo
Izinzwa zegesi eziphathwa ngesandla zisebenzisa ubuchwepheshe bezinzwa obuthuthukisiwe, obuvame ukusekelwe ezimisweni zokulinganisa ze-electrochemical noma ze-optical, ukuthola nokulinganisa amagesi athile ensimini. Lawa madivayisi amancane anikeza abalimi impendulo esheshayo mayelana nokugcwala kwegesi, okwenza kube lula ukwenza izinqumo ngokushesha ezimweni ezifana nalezi:
Imikhuba Yokufaka Umanyolo: Abalimi bangaqapha amazinga e-ammonia ngesikhathi sokufaka umanyolo ukuze bagweme ukusetshenziswa ngokweqile futhi banciphise ukukhishwa komoya emoyeni.
Ukuhlolwa Kwempilo Yezitshalo: Ngokulinganisa ukukhishwa kwegesi emhlabathini noma ezitshalweni, abalimi bangahlola impilo yezitshalo futhi balungise izindlela zokuphatha ngokufanele.
Ukuphathwa Kwezinambuzane: Izinzwa zegesi zingathola amakhemikhali athile aguquguqukayo (ama-VOC) akhishwa izitshalo ezingaphansi kokucindezeleka, zixwayise abalimi ngokuhlasela kwezinambuzane noma ukuqubuka kwezifo.
Kulula ukuyisebenzisa futhi isebenza kahle
Izinzwa zakamuva zegesi eziphathwayo zenzelwe ukusetshenziswa kalula, zinezixhumi ezilula kanye nemiklamo elula evumela abalimi ukuthi bazithwale kalula ensimini. Amadivayisi amaningi axhuma kuma-smartphone noma amaphilisi, okwenza kube lula ukuhlaziywa kwedatha ngesikhathi sangempela kanye nokubona ngeso lengqondo.
“Lobu buchwepheshe buye benza umehluko omkhulu endleleni esiqapha ngayo amasimu ethu,” kusho uLena Carter, umlimi wommbila e-Iowa. “Ngingahlola amazinga e-ammonia ngokushesha ngemva kokufaka umanyolo esikhundleni sokulinda izinsuku ukuthola imiphumela yelabhorethri. Busonga isikhathi futhi busisiza ukuthi silime ngendlela eqhubekayo.”
Ukusekelwa Kwemithetho Nokuxhaswa Ngezimali
UMnyango Wezolimo wase-US (i-USDA) kanye neminyango eyahlukene yezolimo kahulumeni bayaqhubeka nokuqaphela ukubaluleka kwalezi zobuchwepheshe. Kusungulwa izinhlelo zokusiza ukuxhasa ukuthengwa kwezinzwa zegesi nokunikeza ukuqeqeshwa ngokusetshenziswa kwazo. I-USDA's Natural Resources Conservation Service ikhuthaza lezi zinzwa njengethuluzi labalimi abafuna ukusebenzisa imikhuba enobungani nemvelo.
“Ukusetshenziswa kwezinzwa zegesi eziphathwayo kuyinzuzo kubalimi kanye nemvelo,” kuchaza uDkt. Maria Gonzalez, isazi sezobuchwepheshe bezolimo. “Abalimi bangathuthukisa imikhuba yabo, kuyilapho thina ngesikhathi esifanayo sisebenzela ekunciphiseni ukukhishwa kwegesi ebamba ukushisa okuvela emkhakheni wezolimo.”
Izinselele Neziqondiso Zesikhathi Esizayo
Nakuba izinzuzo zezinzwa zegesi eziphathwayo zicacile, izinselelo zisekhona. Izindleko zokuqala zingaba yisithiyo kwabanye abalimi, ikakhulukazi labo abasebenza ngezilinganiso ezincane. Ngaphezu kwalokho, kukhona ithuba lokufunda njengoba abakhiqizi bejwayela ukuhlanganisa lobu buchwepheshe emisebenzini yabo.
Ukuze kuxazululwe lezi zinselele, kubanjiswane phakathi kwezinkampani zobuchwepheshe, izinsizakalo zokwandisa ezolimo, kanye namanyuvesi ukuze kuhlinzekwe izinhlelo zokuqeqesha ezisiza abalimi ukuqonda ukuthi bangayisebenzisa kanjani futhi bahumushe kanjani idatha evela ezinzwa zegesi ngempumelelo.
Isiphetho: Ukuvula Indlela Yezolimo Ezisimeme
Njengoba abalimi kulo lonke elase-United States beqhubeka nokusebenzisa izinzwa zegesi eziphathwa ngesandla, ikhono lokuqapha nokuphatha imikhuba yezolimo ngesikhathi sangempela lishintsha isimo sezolimo zanamuhla. Lobu buchwepheshe abugcini nje ngokuvumela abalimi ukuthuthukisa isivuno sabo sezitshalo kodwa futhi bubanika amandla okuthatha izinyathelo zokuqapha ukuze baqhubeke nokusimama kanye nokuphathwa kwemvelo.
Ikusasa lezolimo liya ngokuya licaca ngazo zonke izindlela zokulinganisa ezithathwayo ensimini. Ngokuqhubeka nokuthuthuka kobuchwepheshe bezinzwa zegesi kanye nokwesekwa okwandayo kwemithetho, kungenzeka ukuthi la madivayisi aphathwayo azodlala indima ebalulekile ekufuneni umkhakha wezolimo ozinzile futhi okhiqizayo eminyakeni ezayo.
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Isikhathi sokuthunyelwe: Jan-14-2025