Ama-Factors Ekhoyo Kwiukhetho Ifilimu leZindawo zaseMphendulo

Ukufunda Ukuthi Zonke Izindlela Zokuprotekela UV

Ukukhetha ifilimu yasekhaya esematheni kufanele uqale ngokwazi ukuthi yini le ndlela yokuvikela UV abaphuwele kudinga ukuthi wuphume ngendlela esebenza ngayo. I-UV-A ne-UV-B kusukela kwezulu kuyiphi le ndlela esenza ukuba kwenzeke ukufudumelela nezindlela zokwenza abaphuwele kube lula. Kodwa ukonge kwe-UV kungavumelekile kwezilwane, ukwenza izinkinga eziningi eza kuthula ukuphumelela. Abafarm yeza baye baphakamele ukuthi lapho kungekho ukuvikela UV esebenza ngayo, amaphungu ayaphansi kakhulu abaphuwele kube nendlela engcono yokuthi abelwe ngokwezifiso. Ngakho abaphuwele abaqondani bakhetha izilwane eza kuvikela abaphuwele kwezilwane ezingcono ezidingekayo. Ukwenza lapho kusebenza kuhlanganisa kumele kube yinto ehlukahlukene ukuthi kusebenze kakhulu ngalinye indawo.

Ukubophelela Izindlela ZeNtsobi

Lokhu kuyimelwe ukuthola iphethini yegreenhouse, into efanayo kubalwe yile ngeke kube yimaliphi ephumaphumayo kuyo. Iziphumeleli zilula ngokwehlukahlukene ngezidingo zazo zokulawula. Vimbela ukuthi ikhomithi ne-lettuce ngokwesibonelo, iziphumaphumeleli eziphuzekayo zidinga izimo ezingcono zokulawula ngenxa yezindlela zokulawula. Yeyiphi into ethiwa yimali? Kulungile, ubukhulu bephethini nebusuku bawo bethetha kakhulu kweyiphi ndlela yelanga ephume kugarenganeni. Kukhona amademo ethiwa amacimu amakhulu amanqamlela ngokwehlukahlukene ngezinkinga zokulawula. Loko kuthiwa ukuthi abathengi kumele bane iphethini ezahlukene ngenxa yezinto ebalwa ngazo ngalinye ithemba. Ukwenza lokhu kuhle kunceda ukuthi iziphumaphumeleli zithole ukulawula okufanele kungaba ngishushu kakhulu noma kungaba ngishushu kangaka.

Ukubheka Ukuphakamiswa nokulandelayo KweMateriale

Xa kuxazulula incwadi yegreenhouse, abantu kufanele bakhethe ukudla kakhulu kuyilo ngokwesimo sekaleni. Izingxenye zokwenza zihluka, ziphothile futhi zihlulekile ngemva neminyaka yokuthi kuthi kuvikela kwezinyanga, ngesikhashana nezinyana. Incwadi yepolyethylene ngamanye amaxesha iyaphila kancane kwezinyaka ezimbili ukuze kuzo zinyaka eziyishumi. Iindlela zokwenza ezine zepolycarbonate ne-PVC ngamanye amaxesha ziyaphila kancane kwezinyaka eziyishumi uma kuthi kuvikela kakhulu. Bheka imibiko yomkhiqizo futhi yinxoxo nabanye abasebenzisa izinto zilandelayo. Kunezinto ezithile ezifisa kakhulu kwezimo eziyisimo. Kungenzeka ukuthi ubhulele kakhulu ngemali kancane kwezinto ezinzulileyo ukuze kuthi kubizwa ngemva kweminyaka, oku kuvikela ukuthi kwezimali futhi kugcinwe kwezimo egcini le greenhouse ngemva kweminyaka.

Ukubona Izilungiselelo Zokuhlola Umgca Wosicelo

Ukuthi yini i-greenhouse film ikhulume ngokwaneke kuyindlela ebalulekile xa ukhetha ukuthi yini ozokuyisebenzisa kuzo iminyaka edlule. Ifilimu esemthandwa ikhondla ukuphila okuphezulu, okwenza uhlu olukhulu kwezindlela ezilandelayo ezithuthukisa izithelo. Kuzo ezinye izifilimu zokuthula leliya zokubuyisa leliya yasezweni nasekunye zokuthatha khona, zombili zokwenza ukuphila okuphezulu lube yimali xa kuthathwa ukuthi kuthathwa. Izifundo sithi i-greenhouses ezisebenzisa lezi zifilimu zokuthula zikuthula izindleko zokushisa nge-15-20%, okwenza uhlu olukhulu ngemva kwezinsuku. Abathengi abakhetha izifilimu nezici zokuthula ziyakhiwa amathuba apho izithelo zohlala nezimali noma xa amandla adlule kumaphoyinti wokungcola. Le ndawo yekhondla kuyindlela ebalulekile kwezilwane ezincane njenge tomatoes noma peppers abathola ukuthi kudingeka ukuthuthukiswa kwezimali.

Amanani Amasiphi wezinhlobo zokugcina izinto ezingcinane Kwimbiza

I-Polyethylene (PE) Amaxwebhu: Inkcubeko Yomsebenzi

Abafuthi bafaka izifanekiso kwezilimi zokufakwa (PE) lapho kudinga ukhetho oluncedisayo yokufakwa kwezindlu zokuzithutha. Lezi zinto ezinzileyo zifuna ukusebenzela kakhulu kwezindlela zokwenzakalo ngoba abanye abantu bafuna ukuthi zingaba zinzile futhi zibe nezinkawo ezinhle. Kepha lapho kukhona indaba - okuqinisekisa amaphetho okuqala kungase kungahlanjiswa ngokude. Zilimi zokufakwa (PE) ziningiwa ukuthi zilinde kwezingu 2 kuya kwezingu 7 bese kudinga ukubuyiselwa, ngakho-ke lokhu kudinga ukuthi kungakanani kakhulu imvula ekuhlaleni apho kufakwe. Izibonelo zilwana ngokugcwele ngezilimi zokuqala, kodwa ungase uthinte ukuphepha kakhulu kuma-UV ngokulingana nezinye izindlela njengezilimi zokufakwa ezibonakalayo. Ngakho-ke amakhampeni amaningi ayizilimi PE ake kuzo kakhulu lapho kunezinkwa eziphakeme kakhulu noma lapho izingxenye zokulima zidinga ukuphephwa kwezikhathi eziningi.

Amaphutha wePolycarbonate: Ukusukela Okungaphambili

Imifanekiso ye-Polycarbonate iyahluka kakhulu ngoba ayizange yaphelwe ngokukhulu njengoba yini engaphansi kwezinye izinhlayo futhi ithinte kahle ukushisa. Abagada balithanda leyo mifanekiso kuma-greenhouses lapho izitho zidinga ukushisa okuphephile kanye nezibonelo eziphakeme ezintweni zomhlaba. Lezi zinhlayo zingaba nezimo eziphakeme futhi, ngakho ke kwehluleka kwezingu 8 kuya kwezingu 10 bese kudinga ukubuyiselwa, lokhu kwenza kube yimali elihle kunazo ezincane ezingaphansi kwezinye izimpela ezithola ukuphela ngemva kwezinyanga ezimbili. Indlela leyo mifanekiso ithinta ukushisa iyinkimbinkimbi kakhulu, ikunciphise ukushisa okudingekayo noma xa kuzo zinto eziphansi kwezimo zangaphandle. Abafarm yebo yathumba ku-Polycarbonate babhalile ukuthola iziphumo eziyinhle kwezitho ezingcono njengoma-tomatoes nepepperi ezidinga ukushisa okuphephile futhi kungahlanjelwa ukushisa okungaphephile noma ukulawulwa kwamazwe.

SolaWrap Ifilimu leZindawo zaseMphendulo : Advanced Diffusion Technology

Ukuthi kuyiphi indlela SolaWrap ifilimu zamagreenhouse engqondweni yokuthi yishelela umthamo ngokunokuthile kuzo. Indlela le filimu ifuna ukuthi umthamo wasezweni uyahlukahluka ngokunokuthile ngenkathi engenakho ukuthi kwenze amasonto apholile aphakathi lapho izitho zihlaba. Abathengi bavumela ukuthi kunezindlela ehlukile lapho ba sebenzisa SolaWrap nganti yasusa amasonto apholile futhi isiza izitho ukuthi zifanye ifotofunthesiso ngokunokuthile. Ngaphezulu, le filimu iyahlisa umphimbo ngempela, ngakho ke amathempuritha ayasebenza ngokwezinhlobo ezahlukahlukene zezitho engenakho ukuthi aqondakali. Abantu abaningi abasebenzisa SolaWrap babhalisa ukuthi izitho ziyaphutha ngokushesha futhi iziphelwana ziyakhula ngokuthile ngokwezinyanga. Umfana othenga itomati wabhalisa ukuthi iziphelwana zake zakhulwa kabusho 30% emlandweni ngemva kokufakwa kwe SolaWrap. Kuye kubani ofuna ukuthi amasevisi akhe amagreenhouse aphumelele ngempumelelo futhi ayibonisi inkulumo yekhankatha, SolaWrap iyasho ukuthi yilodwa olunemali elinamandla ongavuleki ngokwezinyanga ezahlukahlukene.

Amaphutha we-Ethylene-Vinyl Acetate (EVA): Ukusebenza Okusondziswa

Imifilimu ye-EVA iyindlela ehlukile kakhulu phakathi kwemali ofa futhi kwezifiso zabo. Ithengiselwe ngemali encane ngaphansi kwezifilimu eziyi-PE kodwa abasebenzisa ngempumelelo babonisa ukuthi le mifilimu iyadonsela kahle kakhulu kakhulu futhi iyaphila kude uma kusebenzisa ngokusebenzisa ngokusebenzisa amandla. Umkhiqizo wokubilindwa kakhulu kwezimo zonke zasekhaya, lokhu kwenza kube yimali enhle kakhulu kwezimali ezenziwa ngokwezemali kakhulu. Abasebenzisa beqaphela ukuthi le mifilimu iyadonsela kahle kakhulu futhi iyaphila kude uma kusebenzisa ngokusebenzisa ngokusebenzisa amandla. Lokhu kwenza kube yimali enhle kakhulu kwezimali ezenziwa ngokwezemali kakhulu. Abakhelwe kakhulu abaningi abasebenzisa le mifilimu ngokusebenzisa ngokusebenzisa amandla. Lokhu kwenza ukuthi abakhelwe kakhulu abaningi babuyele kuma-EVA films ngokusebenzisa ngokusebenzisa amandla. Lokhu kwenza ukuthi abakhelwe kakhulu abaningi babuyele kuma-EVA films ngokuba yilapho udla kakhulu kakhulu kakhulu kanye nezimali ezingcono.

Ukumelwa Komphutha Ngenqubo Zokugijima Kwezilimela

Izilimela Ezidingekayo Lokuhlala Emfulweni: Amatoma kunye nePeppers

Iitomati nezimbhobho kufuneka zifunene ukukhanya okupheleleyo ukuthi ziwuphume ngokuya. Abagada bonke bazi ukuthi lezi zilwandle ziyathanda ukukhanya okuningi lwezulu ngelinye elishonile, okukunceda kuzwa lezi mbobo ethandwayo etholakala kubo bonke. Xa kufika kweqile ukuvulwa kwezighorovu okanye izindawo zokuzwa, izifanekane zokwenza i-polyethylene zisebenza ngokukhulu kuba zivumela ukukhanya kwesibhakabhaka ukungena ngaphakathi noma kuthathwa izindleko ezinkulu. Abanye abantu bakhalela kakhulu kwezifanekane zokwenza i-polycarbonate futhi kuba zihle ngokuphumelela kwezinkulungwane ezahlukene, kodwa ngempela, lezi zindleko ziyakhula kakhulu ngokwokuqala. Abagada abaningi bavuma ukuthi kuzwa okuningi xa busebenzisa lezi zinto ezifanayo nezidinga zokukhanya ezithile zezilwandle zabo. Kunezifundazwe ezimbili ezenzekile ukuthi abagada basebenzise amathesethi okulinganisa ukuvulwa okuhlukene ngoqo lwendanga bavume ukuthi kukhona uhlanganisa okukhulu kwezimo zokuzwa nezibongo.

Izinsiseko zeLeafy Greens neDiffused Light

Izilolo, isipina nezinye izilwane eziphezulu kudinga inkqubo yokuqaphela xa kufika kuzindlela zokubona. Zidinga ukulwa okuqondile kakhulu noma ukulwa okuphakeme kakhulu okungathintwa ngokushesha. Izinhlelo zokubona zelashayela SolaWrap kuthanda kakhulu kubantu abafinyelela ngoba kuthuthukisa ukwehla kwezilwane. Okukhake kakhulu lezi zinhlelo kukuthi kuthatha ukulwa futhi kuyilapha ngokuphelele kuzilwane, kwenza ukulwa okuphezulu noma kuthinte izilwane. Kunezinye izifundo ezithi izifarmu ezisebenzisa le teknoloji zithola iziphumo ezingu-15-20% ngaphezulu kwezinye izifarmu. Noma akuyona indlela yokuvikela konke, kube nezinkomba eziningi eziphawula ukuthi kuthola izilwane eziphakeme kanye nezindleko eziphakeme ngemva kokusebenzisa izinhlelo zokubona ezithintekayo.

Izimo Ezikhoyo Zokugcina Ukulingana Nekannabis

Ukuhlanza kahle ukuphila kwenkosi kuthanda ukuthola ukulawula kwezibani ngokushesha uma sithanda ukuthola imiphumo emibili kusambo sakethu. Izingxenye ezinhleli ezingcono ukuthola ukuthi ziphume kanjani kudlule kwenza indima kakhulu kuhlolweni phakathi kwezinyathelo zokuhlanza. Abahlanzi abaningi bafisela kakhulu izingxenye ezingokuvimba UV noma kwezinye onke ziphume kakhulu kusambo sakodwa. Izinyathelo zokuhlanza inkosi zihlinzekana kakhulu ngokwesendaweni osukile kuthi ukukhetha uhlobo lokufaka kwegreenhouse akuyona indima kuphela yokubona isimo sokuphila komsamo. Abahlanzi abaninga bethiwa noma yikuphi into obonayo yekhetha ukuthi bafunde kabanzi imithwalo yendawo engeke bakhetha izinto zegreenhouse. Ngenxa yoko, akukho muntu ofuna ukuthi abale kakhulu kuphela ukuthi emuva kwesikhathi kuthola ukuthi ukucaciswa kwakhe akutholakali kwehlukahlukene noma yikuphi isimo esikhundleni.

Amatshoni Amanqaku Noma Iziphiwo Ezikhundleni

Iindlela ezahlukene zokuphefumula nezilwane ezithile zidinga izindleko eziyisisekelo zokulawulwa kwezulu nezulu, ngoko ukukhetha indonga yokuphefumula ehlukileyo iyasondeza kakhulu. Iindlela eziphathelene ne-polycarbonate zisebenza kahle kwiindlela ezininzi zokuphefumula ngamva kuzokugcina izulu ngelixa zivumela ukuphuma kwezulu elinguquyo, oku kusiza ukugcina kwezimo eziyisisekelo zokuphefumula. Xa kusebenzwa nezilwane ezincinci okanye ezahlukileyo ezidinga ukulawulwa ngokucacileyo kwezimo, izindonga ezweniweyo zokwenza ziyindlela ngokubaluleka kakhulu ekhuliseni amathuba okuphefumula nezulu nezulu. Abaphandle abasebenzisa amaqhaza amaninzi ngokuphandula le ndlela zondla abantu kuzo zokukhetha indonga emiselweyo emva kokubona ukuthi yiliphi elisebenza kahle ngokwempiro kwiindlela ezinhle.

Imibono Yamasayensi Yamahhose Emanqaku Lwendawo

Amasayensi Amafunda Ukuhlola Ukuncedwa Kwemvula

Ezindaweni ezibangelwa, ukukhetha imifilmi yegreenhouse enobukhulu obuyilapha kungenxa yokuqinisekisa ukutholakala kwezilwane ngokuphela kwezinyanga zemvula. Imifilmi engcono iyathumela ukwanda kudoti futhi ithumele ukulwa kwezilwane ukukhishwa kwezinyanga eziphakeme nangaphandle. Abagroweli buya ukhetha izinketho ezimbili noma izinketho zokucoca ukuthermal kanti lezi zicela ukuthi kunezindawo zokuthutha kweyohlayitshi ezicocako ngendlela yokuthi zingasebenze njengobukhulu obungasebenziyo ngokweyohlayitshi. Noma kukhona indodana engayisebenzi ngokuphelele ngenxa yonke indlela, abagroweli abaningi bakhuluma ngokwehlukile kwebhili yethemba bakhe emva kokuguqula kumaqandla amathhermali amahle. Kunezincithakatsi ezithi ukuthermal kungenzeka ukuthatha amathenje kwezindleko zokushisa ngokupelile nge-30%, noma iziphakamiso eziyinhloke kwezimo zasemlonyeni nekho kahle isithi siyasebenza ngokuphelele ngenkathi yezinyanga.

Ukufakwa kokubamba ngokungakholwa kumigomo engamagogotya/obunomgci

Xa kugrowa kule kwaliti yesikati esikhulu, ukukhetha ikhanda lokugcinwa kahle yindlela yokuthi kube nephu kakhulu ngaphakathi. Abanye abantu bayabonga kakhulu amakhanda akayilini ne-ikhanda elayilini kanti ahlukene ngempela nezulu kakhulu nezulu ephakeme. Kungaba nokuthanda ukulayela futhi. Isisitemu esikulungileyo yokuvulwa nesikhathi kanye nesicathami sokwenza ukuthi isikati singakhaya futhi sivumele ukulayela okuphezulu kuzindlela zokugcinwa. Thake eThayilandini lapho abakhululekile abancane bakhuluma ngokuphambene izikhanda zabo ngokuthi bafaka amakhanda amabi kanye nesicathami sokulayela okulungileyo. Abanye bafaki bafakwa ukuthi bakhishwa amaphrojekthi abo kanye nesikhathi esinye eminyakeni yodwa ngemuva kwaleli kuguqulwa.

Ukugcwaliswa komoya nokuprotekela iimofu

Lapho amaglasikhosi afika kulezi zintaba eziphakamayo kanye nezimfihlakalo ezingenakubeki, zidinga amafilimhi angenakuphakamiswa yonke le ndzima. Kuhlanganisa izinhloso zokusebenza kwamapholika ethi polycarbonate ne-polyvinyl carbonate zihlinza phakathi kwamakhiyana akabi ezingaphandle kwezinye izinto ezingcono. Abafarmi abathanda ukuphatha ngaphezulu kwezimpilo zenhloso ukuthutha amavili wabo futhi, ukuqinisekisa ukuthi konke kuhlale kusukile lapho kuzozama ukuphela. Imbono yendustri iyachaza okuthile okuphakade - ngokuphelele kwekati kwezinye izindlela zokugcinwa zikufa kungathi abafarmi bakhethile uhlobo olungile lwezifilimhi ezidingekile. Ngakho xa uhlela ukuthenga lezi ziphathi zokuvikela, kungcono ukukhetha okuthile okuthuthwe yinkampani engenakuthi kuthi kubonakala kuhle kakhulu ngokwesibonelo.

Ukuphatha Izinkinga Lokuthi Zikhulu

Lapho izimo zingena kancane kanye nokwehla, izigaba zokulima kakhulu ziphumelela, okuthetha ukuthi abalimi kudinga amafilimu angcono oqobo futhi enza lokho. Bavamisa amafilimu angcono kuleli hlela ngemva kwezinsuku ezifide kubaluleke ukuthi abe nezinhlayiya zokulinda izulu kanye nokuthatha izulu ehlisa izimo lapho kunezulu elikhulu kodwa kuthatha izulu okufanele lasebenze lapho kunezulu elisheshile pansi. Kudinga ukubheka phezulu, abaningi kuleli qoqo bafuna ukuthi ubudlelwane nezulu bakhokhe kakhulu ukudinga kuleli amafilimu amahla njengoba abalimi baphephetha ukuvikela izimo eziphumelelayo ngaphandle kwezulu elingavumelwanga. Kunezinye izifundo abonisa ukuthi izigaba zokulima ezisebenzisa amafilimu angcono okulawulwa kwezulu kuzithola ukuthi zilima izinto ngamathisini angama-40% ngaphezulu kwezabo abenazo, hhayi kodwa iziphakamiso kungakhonwanga ngokwesifako kanye nehlobo lomnotho.