Inhlanga Yokuqinisekiswa Ngokubuyela Mulch films

I-Polylactic Acid (PLA) kunye ne-Polyhydroxyalkanoates (PHA): Izindlela Ezikhoyo

Ukuphathwa kakhulu kwiqembu lemulch elihlukene, kodwa, sibhekisele umoya wakhe ephindaphindi PLA (Polylactic Acid) noma PHA (Polyhydroxyalkanoates) njengamoya omncane. PLA noma PHA zonke izinto zabo zizilungileyo nokubona ngaphandle komhlaba, okuningi ukususa amahlaleli wezinkozo zemoto phakathi kwesikhatsi esiqinileyo. Umoya osebenza wamulch waPLA ungavula emva kokusheshwa kwe-60 ngesikhatsi lesi-90 kwindawo yokusheshwa komoya wesentloko, okuthiwa ukuba ungenzi lokungcono. Ngokugcineni, iPHA inikezela ngokusebenzisa umthwalo wobacteria, ukuze libe yimoya engenziwe yomunye wecarbon.

Amahlelo angaphezulu kwezifundo ezithile

Amaphutha okuyihlaba luhlaza ukuphumelela kakhulu ngasemva kwezilimi ezinamandla, ngokushesha lokhu oluhlanganiswa ngamafayela ePE ezikhona, ngokushesha lokhu olunqabileyo oluchasene nesiHlanu esimillioni emasakwangoku ngalinye ilanga ngaphandle kwesikathelo sokugcina amaphephetho angamagriculture. Bayenziwe ngokukhanya indlela yokulima, zingabuyeleyo umoya wamanzi futhi zingahamba isicatulo ukuvumela uhlu lwemali lokusebenza lokulima nokuthuthukisa iziphumo. Ukusetyenziswa kwezimpawu ezihlazekileyo zihlonipha indlela yokubuya amanye amaphutha phakathi komhlaba, ukuze zibuyeleyo umoya wamanzi nokuthuthukise imali.

Usethasha lwesiyathelo lweUSDA lokusebenzisa Izinhlangano Zobhedhekisekile

Umgalwelo waseMereka YaseNciba (USDA) uwavulelwa ngemali yokuthutha ukufinyelela lokusebenzisa umulch ophakathi kweAG ukuhlanganisa okukhangelwa ngokukhethwe. Izigaba zokusetyenziswa ezibhedhekileyo nge-USDA zithi ukusebenzisa amafayela we-mulch eziphakathi ezibhedhekileyo, izivumelani zizoshintsha isihloko esisodwa ngamakhulu ngemuva kweplastiki elitshe ngokulandelana. Ukukhuphela kwesikhwama sokuthutha nokubuyekeza kufanele kube yilimi le-500 millioni emuva ngo-5 vusi, uzikhupha ukusungula kakhulu kwezindaba zegoverinithi kuhlanganisana nezindlela ezimncane ezifanele. Izinsizatu zakho zakwazi ukuthi zingabonisa ukudibanisa komhlaba ngokuhlola kanye nokushintsha.

Amatekonoloji Amanqanawa Okulandelwe Imibuzo

Ukucocrytalishe Izinhlobo Zokuthuthukisa Umlilo Wesibhidiso

Umkhuthazo wokusetyenziswa kweCocrystallization sawo sasedwa edluleyo, umthombo omusha omtsha olufakelwe ngokubukheli ukusetshenziswa kwesayisini kufundekileyo. Umsebenzi omusha omusha uma ungenisa ukusetshenziswa kokusebenzela isayisini njengekuphi iminyaka nokuphi okulandelayo kwezilimo ezidingekayo lomphathi ngokwesikhathi nokugcina. Futhi, iinkcazo zazithetha ukuthi lokho lokusebenza kwiseyisini inikezele amahhala anamandla ngokuphi iminyaka noma lokuphi imali yokuhlola. Okuhle kakhulu, ukusetshenziswa okulandelayo kunqumelela ukungavaleleke amandla angaphandle komphathi, ukuze kuhloniphe umhlaba ngokuphakameka ukuthi amandla angaphandle akuyiphumeleyo.

Ukubafileka kwemvume kunye nokuhlangabezwa kokubuya

Izicatshulwa ezincedisiweyo kwiqinisekiso lokugcina amacala, amatekonoloji a-mulch olungakhulu nokuhlola ukubonisa uhlaba lwesithuthu. Iindlela ezifanele zokuthi zezikhaya ezaziqondisiwe ngabantu abanye abahlinzekile baye kuhlanganisa isiphumo esisodwa nge-25% ngokushintsha usizo lomphilo olumdluleka, kuvuma izibongo. Ukusetyenziswa kwesikhatsi esidingayo kwezicatshulwa ezincedisiweyo zingabheka imigomo yegwalo lehlaba elikhona okudingekayo lokuhlola ukuphakamisana kwezilimi. Le siphumo sokuhlola kuhlaba lokunqwenyiswa kufanelela ukuba kuneenkulumo zakusihlaleni nokukhathaleka kuzama ukususa umoya wemfundo wesithuthu, lokhu kungayiphi indawo yokusetshenziswa kwezifertilaisi ezingcinane, uzame ukusetshenziswa kwezifo zokuhlola kwezinkambu.

Ukulandzelwa kwezinto Ezifundekayo neSafeti Sesikhathini

Ngaphandle kwezinyathelo ezinikezela, izindlela zokuthiwa amagwala olunqwenekileyo kufanele lizithumele amagwala ngamandla ofanele, kodwa ngakwesikhathi asikholele isiphumo sentsingi. Amahleli angenziwa ukungena amagama okuzihlabeleka ukuvumelanisa imigwali yemibhokisi ukuze kuhluke ukusetyenziswa kwemibhokisi ngelokulandelayo kunye nokugcina izinhlanga ezifanayo nendawo, njengokubheka emfuleni. Le ndlela ifundekiwe ngokupheleleyo yokuhlaba lokusebenza kanye nokuhlaba lokusebenzela. Abafundi bangene ukuthola ukuba bakhetha ukuba le ndlela ikhethe umoya, futhi bakhethe ukuba sihlale sokushintsha ukuthiwe ngokukhululekile kanye nokusetshenziswa kwezinto ezidingekayo ukuba imvelo yesikhathi sezilandelako *sisebenze* ukusetyenziswa kokuthiwe.

Ngokushoza amahlaba angaphakathi kwezilungiselelo ezinethweni zokuhlala, sizohlala ukuyibuyisela isenzo sasendaweni futhi usenzo olunqamathile ngokubonisa indlela yokuhlala. Lolu hlobo lokuhlala lusenzela ukubuyisela ukuya emva kokuthi kulungileyo futhi kuhlonipheleleyo ukudla, ukubanjwa nokuthi kuhlanganiswa ngezikhatsi ezinethukeneyo ezinethukeneyo.

Amabhlenzana KaPolimeri Okungavimbeleni Enhlabeni

Amasiko esibuyiselwe kwezinye zindlela ezifanayo

Ukusetshenziswa kwezinto zokuthengisa ngemigomo engaphezulu kunehlolwano elihle kwiqinisekiso lomphoyiso wokuqala lokulula ukusetyenziswa kwesayithi esikhathini. Ngokubonisa amanani angaphakathi, izindlela eziningi zizothengisa amandla amaphansi njengo-tensile kunye nokuphinda-phindaphinde kwe-UV. Ukuphawuleka kukwahlukene ukuba ziqinisekise amasayithi asendaweni akudala futhi azisebenzise ngokukhona ngazo kwiqhaza lemfundo lokusebenza olunamandla olungaphandle komoya okanye ngezilimi ezidingekayo ezifaneleyo nezinhlobo zokugcina kwezimali. Ngaphandle kwalokho, izimvo eziphumaphi eziqondisiwe naye zibuyisela ukuba zisetse amandla apha kumipolimera emikhoyo kuhlu kuzothelela amasayithi amaningi ngokusebenza futhi abe "green".

Ukubuya kweLLDPE ngePolimitha Ezibuyiselwayo

Umbono wesililo sokuqondela nge-LDPE ngokuhlanganiswa nezililo ezibhedekileyo yikho amandla okulandelana nokuhlola iziphamo zomlilo wemulungu. Lolu hlangano lisebenza ukuthi kuhlukele umphathiso wesintsi kanye nokuncedzo omkhakha weziphamo ezibhedekileyo, kunye nokuthi lezi ziphamo zizobunomvume noma zingabonakale kakhulu kunye neziphetho ezithunyelwe ngamadoda. Izimdlobi zaseLaba esikhethweni zisho ukuthi amagama a-LDPE-binodegradable azobunomvume noma zingabonakale kakhulu phakathi kweziphamo zeziphetho ezidingekiwe kanye nokuthi bayahlukene ukusetyenziswa kwesiko lesihlanziselo.

Ukuhlawula Kwisiko LesiHluPhezulu

Izindlela zokufunda zikhohlwa ukuthi amagama amandla angenziwe amaphetho amabhedeleyo akhawulekanga emigqugweni apho amaphetho amaphandle angazibuyisa. Lezi ziphamo zincono lokusebenza phakathi komthimba nomoya, kunye nokuthi usetyenziswa kuhlukeneyo kakhulu kumalangalali. Ukuphatha kokubuyekeza kwekhalente kunye nokwesekwa kumarketi kuhloniphe kwamandla yokugcina ukuze kube khona ukusetyenziswa kwezi ziphamo ezinhloko zokuthi zihlukene ukusetshenziswa kwezi ziphamo ezinhloko eziqondisiwe ngokubanzi ukuthi zifanele.

Amahlukelelo Amagalendlu Apha Ngokwesiphumo

Umbuso Wesiyaphepha Womphakathi WaseAsia

Uma-Aphiki yase-Asia-Pacific wakhiqiza ukuthi ngomhlabathi omfanele lokusebenza kwe-agricultural mulch film futhi uhlobene nesibonelo esikhizekileyo kakhulu kwise-mvula emfunweni lapho wavela ngeminyaka yakho 50% kuhlu kwemakhompiyethi yasekhululekileyo ngomhlabathi emfunweni lapho wavela ngeminyaka yakho 2022. Umhlabathi omfanele kunoma amakhulu ngokuthi kukhona uphawu oluphezolo lwamathuluzi olufanele kanye nokusetyenziswa kumhlaba wase-Asia-Pacific. Ukusetyenziswa kokuhlala kwe-biodegradable technologies kuyahamba ngokubukhosi, ngoba bafuna ukwazi izindlela ezidingekayo neziqhaza zokuthuthukisa. Imveliso yesihlanu somhlabathi wesifundazwe sase-Asia-Pacific sihlelwa ukuba sikhethe umthetho we-CAGR we-13.1% ngalokhu olungelwe ngu-MarketsandMarkets ngeminyaka 2023–2028. Ukugcina lokhu kuhlela ukuthi le ndawo ihlale isiqinisekisi sesikhashana sokuthuthukisa kwe-agriculture.

Amalawulo weGoverinmene Apho Abafundisi Izinsimu Ezibizodubuleka

Umbhongolo wesikoleni ukuthi uhlalele amakhono okuyimfanelo kwezisekelo esiqembukeni, ngokugcina lokhu kulandelayo umthetho wasekukhuleni. Ukuphatha komkhakha emagqabi wezindlu ezifaneleyo kanye nokuhlola kwesikhathi sokuqala sokuthuthukisa ukusetyenziswa kwezi zinto ezingaphambili. Ukususa iplastiki ekwandle yichasene nechasho yokuthi kufanele kube yindlela yokusebenza ngezisekelo esiqembukeni, kunjalo umbumbulo wenkululeko uphumelela ukuthi kufanele kube yindlela lokusetshenziswa. Ngokubekwa kweSikhombisi somphilo nomlandawo, izimvo ezinikezeli kwiqhaza lapho kukhona usizo olupheleleyo lwesikoleni luhlukele amaxabiso okunamandla nokuthi kuneziphi zintathu ezisetyenziswa ngokuthi zibekwe ngezinye izinto ezimbili. Lento kuxazulula ukuba imipolitiki yakho akhetha ukuthi kunesiphumo isikhatsi esikhulu sesethenziswa kwezi zinto ezimbili ezisetshenziswa kulesi sikoleni.

Inqwelo yesikhathi sokuhlola kakhulu kwiMimoya

Izindawo zokubuya nokugcina ziyiphindaphinda ngokuthi kuhlala kakhulu kumva kweqheleni lokusebenza elishayamulilo olungakhethwa ngokuphakamisela izindlela ezincane zokufundiswa - kuhluke ne-IoT kunye ne-AI - ukuvumela ukusetyenziswa kwezinto ezingabuyiselwayo. Ukusebenzisa oku kuhlelwa amaxesha akukho ubudlelwano nesibonelo sokunquma nokuhlola lokusebenzela izinkomo, okungaba kuhlukene nokuhlukene ukwenzela kwazo kanye nokusetshenziswa kwezifilimi ezinabuyiselwayo. Izigaba zithi ukuba ukusetshenziswa kokubuya nokugcina kuhlanganisa isiqephu sasendaweni esikhathini sekugcina, ukuhlukanisa ukusebenziswa kwezinkomo, uphucumana phakathi komkhulu wokuqala wesinye. Ukuncipha oku kunye nokuzihlanganisa ngezinto ezinhloboniso, uzoba kuhlelwa indlela yokubuya nokugcina futhi yayingakanani nokuthi yayidinga ukusetshenziswa kwezifundo ezinhlobo zezinto ezinikezeliyo nokuthi zizobuyiselwayo.

Ukuphakamisana Ngesinye Sonke Siphambili

Ukuphuma Amaphashi Amanezithunywa Ngokufundiswa

Ukugibha kwezicatshulwa ezincedisiwe ngokuphela lavela ukuthi lokhu kuhle kakhulu lokuhlola ukuhlolwa kwemayisini emagwalandini, ngenxa yalokho amasithathu akukhuluma ukuba kunoma usuku lwe-90%. Ukusuka okwangoku kuna imiphumela yomphilo yokungakholwa kwezilimi nezindlela zomoya uzokuncedisa ukuba azikontampelele ngokubonakala nemicroplastics futhi kanye nokuthi kuzoba kuhlola izinkomo namanye amadundane. Izicampani eziphumaphandle ngaphandle kuzoqondiswa ngokuthi bayenza ukukhipha iiplastiki ezinethile ezikhona emagwalandini, kuhluke ngokuthi bavumele ukusetshenziswa kwezi zinto ezincedisiwe ngokuphela. Lolu hlobo lwenkcubeko lwesiqephu sengxenye yesizwe sisetshenziswa ngokushesha ukuthi umthetho wesivinini wesihlanganiswa ngokusebenzela ukuthi amandla amahhula kuhluke angaba ngokuthi amandla amahlola amaxwebhu.

Iingxenye zoKhuthazela Ukusetyenziswa kweQheleni Lokuhlala ngokuyiqheliseka

Ngaphandle kokuthi kunezinyathelo ezikhona, ukuphatha amagcinisi okugcinisekileyo kukhetheka emuva kwesicwangciso esincinci, ngokusho ngamakhulu ngenqanawe yophawula lokusebenza kunye nokuhlazakalelayo eliphambili. Abasebenzi ababili basezinga lomgci wabelengi phakathi komhlaba ngokwesobizo zonke izinkinga ezinikezelwe njengezinto eziphawulene nezinhloso zokubuyisela nokusetyenziswa kwamagcinisi apha apho amagcinisi amabiyodgradable ayikho amanye amagama akukho amaxwebhu ophambili. Ukufinyelela izinkinga zakho nokuthuthukisa umlando, ukuhlanganiswa kwezindaba zegoverinethi nezindaba zomgci ubungakhiwo. Ukufundiswa nokugcina isibhedlela sokugcinisa okubiyodgradable, ngakho ngokusho, uzothola ukuba kuhle kakhulu lokuthi iimarkethi zizozala.

Umbono Wemvula Omtsha: Amanxovamano Okushesha Ngesolawu nokubuyiswa Ngenqanawe

Amalungisi amahlukileyo kwi-mulch films okwangoku babuyeleka ngeesifundo zokuhlala sonyaka ezinethemba lokuhlala, oku kuningi ukuthi iiphawuli ziphumelele ngendlela yokuphakamisela umculo wokusetyenziswa kwezinkomo. Ngaphandle kwalokho, amathari ase-polymer aluhlola anikezwa ukuqonda ukubonisa ukuba bavalele kumthetho omkhulu okanye izinto ezinomsindo njengoba abaningi ukusuka kwezindlu zezintsha ezikhona ezindaweni ezidingekayo. Kuneenyanga enkulu ekufuneki ukuba kuhluke imibuzo yezilimi lezi-technology ezingaphambili kweminyaka emishumi, esikhefumelwe ngokwesizathu sokugcina kwezimali ezincane nezithethe zokulinganisa okanye elandelayo, ngokwesiphiwo lesicelo sokuthi lomphilo lwabafundi labe ngokwesigaba somncedisi. Ukuthi lomphilo lalayiqondiswa ngokuba lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka ukuthi lalayiqhubeka.

Imibuzo Evame Ukubuzwa

Yini amafilimu afilimi abhodijabulo?

Amafilimi afilimi abhodijabulo niimeko yenkabi eyayingeniswa ngokubonakalisi kuhlukenhlaba ukuthola ukubuyiselwa. Bayadabuka ngokubanzi kwaye babuyekeza indlela yokuthi ikhona ngokubuyiselela ukuba amacala amahhhe angenziwe.

Ukuthi ngaphi ukuthi amafilimu afilimi aPLA kunye nePHA ifanele kweplastiki ezindala?

Amaphutha okuvamile nePHF amahhula kwezinto eziqondisiwe kuyo ezikhethekileyo, ngakwesono zonke iplastiki yethu elandelayo ezifundekayo uhlalo lokulandelana ngephakathi.

Ngubani amanqaku akhoyo kwezinto ezinikezeli amafuthi?

Izinto ezinikezeli amafuthi ezinikezeli amanqaku kuhlukele umoya wemibuzo, uhlangene ukusetyenziswa kwemibuzo emncane, kunye nokuhlola ukuphatha kwezihlangothi eziphumulekileyo ngokushintsha amafuthi ngokugcineneyo.

Yingaphezulu izidingo zomunye umkhosi wezinto ezibhedhekileyo?

Umkhosi wazinto ezibhedhekileyo uzidinga amandla okubhothwa njengalokushaywa lokusebenza kunye nokuhlakaniphiso olumelwe kakhulu lama-usesi, lokuhlola uphelo lwangokubizo.