Gulu la asayansi ku Singapore lapeza kuti keratin yomwe ili mutsitsi imatha kuthandizira kupanga masamba am'dzikolo komanso kukhala ndi chakudya chokwanira. Tsitsi ndi biowaste zina zimatha kukhala zida zaulimi zokhazikika paulimi wa hydroponic.
Zoposa 90 peresenti yazakudya zomwe zimadyedwa ku Singapore zimatumizidwa kunja, malinga ndi a Singapore Food Agency (SFA). Ndipo pokhala ndi malo opikisana kangapo, gawo limodzi lokha la malo ku Singapore ndi loperekedwa kwaulimi, Poh Bee Ling, Mtsogoleri wa SFA's Urban Food Solutions Division, akuuza Food Tank.
Pofuna kuchepetsa kudalira maiko ena ndikuwonetsetsa chitetezo cha chakudya, SFA imayesetsa kusiyanitsa magwero a chakudya ndikulimbikitsa kupanga kwawoko. "Tikugwira ntchito ndi mafakitale athu a zaulimi kuti tikwaniritse cholinga chathu cha '30 by 30', chomwe ndi kulimbikitsa luso lathu komanso kuthekera kopanga 30 peresenti ya zosowa zathu zamagulu am'deralo komanso mokhazikika pofika 2030," akutero Poh.
Pamapeto pakupanga zinthu, SFA imapereka ndalama zothandizira zokolola zam'deralo komanso kutengera ukadaulo. Poh akuti mothandizidwa ndi bungwe la SFA, alimi atha kukulitsa luso lawo kuti akwaniritse masomphenya a bungweli okhudza ulimi waukadaulo, waluso komanso wokhazikika womwe umagwiritsa ntchito bwino nthaka yochepa ya Singapore.
Kulima kwa Hydroponic kungakhale njira yofunikira kuti Singapore apange chakudya. "Izi ndizofunikira ku Singapore komwe kulibe nthaka chifukwa minda yamasamba yogwiritsa ntchito hydroponics imatha kukhazikitsidwa m'malo monga padenga la nyumba kapena m'nyumba," akutero Poh. Ananenanso kuti njirayo imalola alimi kuti azitha kuwongolera bwino zachilengedwe kuti apititse patsogolo zokolola, zabwino, kapena kukoma. "Izi zitha kumasulira kukhala zotsika mtengo, zotsimikizika kuti zitha kukulitsidwa bwino pakapita nthawi."
Koma Poh amavomereza kuti pali vuto limodzi lalikulu pa ulimi wa hydroponic. Machitidwe ena, akufotokoza kuti, amagwiritsa ntchito ma cubes omwe sangabwezeretsedwenso a polyurethane kuti athandizire mbewu panthawi yakukula. Opanga akuyang'ana magawo ena, okhazikika omwe samabweretsanso ndalama zowonjezera. Asayansi a ku Nanyang Technological University (NTU) akuyesetsa kupeza njira yothetsera vutoli: masiponji a keratin.
Dr. Ng Kee Woei, Pulofesa ndi Wothandizira Wapampando wa Kafukufuku pa Sukulu ya Materials Science ndi Engineering ku NTU, adazindikira kuti zipangizo zambiri zomwe zimagwiritsidwa ntchito panopa pa ulimi wa hydroponic sizikhoza kubwezeredwa kapena kuwonongeka. "Ndipo kuwonjezera apo, ndizinthu zobadwa nazo, kutanthauza kuti sizipereka zakudya zokha ku zomera," Ng akuuza Food Tank.
Kafukufuku wa NTU gulu linaphatikiza bwino cellulose kuchokera ku zinyalala za zomera ndi keratin zowonjezera kupanga siponji yomwe imadyetsa zomera za hydroponic. Keratin imatha kupangidwa kuchokera kuzinthu zingapo zotayira zachilengedwe, kuphatikiza tsitsi, ziboda, nthenga, ubweya, ndi nyanga. Zida zimenezi ndi zofunika kwambiri monga cholowa chokhazikika, chodyedwa chomwe chimapezeka mkati mwa machitidwe aulimi.
chimodzi phunziro kuchokera ku yunivesite ya Bonn amatchula bioresources, kuphatikizapo zinyalala ndi zongowonjezwdwa zopangira, monga angathe kukula TV machitidwe dothi. Kompositi wapagolosale, biocharndipo ulusi wamatabwa ndi zitsanzo za bioresources zomwe zakhala zikugwiritsidwa ntchito bwino ngati hydroponic kukula gawo lapansi.
Monga bioresource, keratin ndi biodegradable kwathunthu. "Ndipo pokhala mapuloteni, akamanyozeka, amatulutsa ma amino acid omwe amakhala gawo lazopatsa thanzi kwa zomera," Ng akuuza Food Tank.
Koma kukulitsa yankho ku Singapore kumabwera ndi zotchinga. "Vuto lalikulu ndikusowa kwa ma keratin," Ng akuuza Food Tank. "Ngati mukufuna kugulitsa izi, mufunika kukhala ndi wopanga yemwe angatipatse mawonekedwe osasinthika komanso ma keratin ambiri."
Popanda makampani a keratin, zolowa wamba zimakhala zotsika mtengo kwambiri. "Pakadali pano, tikayerekeza mtengo, sitingathe kufanana ndi masiponji omwe alimi amagwiritsa ntchito," akutero Ng.
"Ndimakhulupirira kuti ngati titafufuza moyenera phindu la mtengo, ndiye kuti tikhoza kuyang'ana momwe mlimi angapindule ngati atagwiritsa ntchito masiponji opangidwa ndi keratin," Ng akuuza Food Tank. Kuyang'ana m'tsogolo, Ng akuti palinso mwayi wosinthira masiponji a mbewu zosiyanasiyana kapena malo osiyanasiyana.
"Potengera luso laukadaulo ndi ulimi wanzeru, titha kukulitsa luso lamakampani athu azakudya kuti tilimbikitse chitetezo cha chakudya ku Singapore," Poh adauza Food Tank.
Nkhani ngati zomwe mwawerengazi zatheka chifukwa cha kuwolowa manja kwa mamembala a Food Tank. Khalani membala lero podina apa.
Gwero: https://foodtank.com