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Kwezolimo zamanje, ogandaganda nabavuni bathembele kakhulu kudizili, futhi ngokusho kukanjiniyela kagesi uMichael Sterner, lesi simo kungenzeka siqhubeke isikhathi eside. Ngaphandle kwamathuba etiyetha afana namandla elanga, i-hydrogen, i-methane, nama-biofuels, lezi zindlela ezihlukile okwamanje zingenzeka ezimotweni ezincane zezolimo kuphela, uSterner wabelane engxoxweni nesiteshi somsakazo somphakathi saseJalimane i-Deutschlandfunk.
Ogandaganda nabavuni eJalimane nakwezinye izindawo bavame ukusebenzisa udizili, kanti amanye amasistimu okuhambisa asekelwe ku-hydrogen, ama-biofuels, i-methane, noma amabhethri, kusukela manje, asebenza ezimotweni ezincane kuphela, ngokusho kukaSterner.
“Ogandaganda abancane noma ama-forklift angasetshenziswa kalula ngogesi kwezolimo,” kusho umcwaningi wase-Technical University of Regensburg.
Kodwa-ke, ukuhlanganisa okusindayo kungaphusha amamotho kagesi emikhawulweni yawo yobuchwepheshe ekhona. Amabhethri akwazi ukuthwala umthwalo wemisebenzi edla amandla kagesi ezimotweni ezinkulu zezolimo azodinga ukuba asindayo kakhulu kunezimoto ngokwazo.
“Kulezi zigaba zokusebenza, amabhethri awasebenzi namuhla,” kuphawula uchwepheshe.
Ezinye izinhlobo ze-electric propulsion, ezifana namasistimu wezigubhu zekhebula ezixhunywe ezindaweni zisebenzisa ilanga, nazo zehlulekile ukukholisa abasebenzisi ekusebenzeni kwesilingo.
I-Sterner iphakamisa ukuthi izinjini ezisekelwe ku-hydrogen zingaba enye indlela, kodwa nazo zibhekana nezinselelo zobuchwepheshe mayelana nosayizi wethangi namanye amapharamitha.
“Okwamanje, ama-e-fuels, ama-biofuels, kanye ne-methane yizixazululo ezithembisayo zemishini emikhulu, kodwa azikafinyeleli kalula okwamanje,” kusho uSterner eqhubeka ephawula.
Ugcizelele nokho ukuthi imithombo yamandla avuselelekayo kanye nekhishwa i-carbon dioxide ihlinzeka ngamathuba amaningi okonga ngisho nenzuzo ngokusebenzisa imishini esesizeni kanye nokusebenzisana phakathi kwezolimo kanye ne-bioenergy.
Ezinsukwini ezisanda kwedlula, amabhizinisi ezolimo kulo lonke elaseJalimane aqale imibhikisho esabalele ephikisana nokuncishiswa kwezibonelelo zikadizili okubangelwa ushintsho lwesabelomali sikahulumeni ngomzuzu wokugcina. Baphikisa ngokuthi lokhu kuncishiswa komxhaso kanye nokukhuphuka kwentengo yekhabhoni kubathinte kakhulu kunamanye amaqembu amabhizinisi, befuna ukuguqulwa okuphelele kwezinyathelo ngemuva kokuthi uhulumeni eveze ngesonto eledlule ukuthi uzozikhansela kancane noma azihlehlise.
Njengoba umkhakha wezolimo ubhekene nezinselelo zokushintshwa kwemishini esekelwe kuphethiloli, kuyacaca ukuthi ezinye izindlela ezisebenzayo zezimoto ezinkulu zisazofika. Ama-E-fuels, ama-biofuels, ne-methane anesithembiso kodwa abhekane nezinkinga zokufinyeleleka. Nokho, ukusebenzisana phakathi kwezolimo kanye nemithombo yamandla avuselelekayo kuveza amathuba akho kokubili ukonga kanye nenzuzo. Uhambo oluya emishinini yokulima esimeme ludinga ukusungulwa okusha okuqhubekayo kanye nokwesekwa okuvela embonini nakubakhi bezinqubomgomo.