I-greenhouse ezweni noma ensimini ivumela umnikazi ukuthi avune kakhulu kunemibhede evulekile. Ukwengeza kwesithunzi sakhiwo kungenziwa kuthiwe futhi isikhathi eside izitshalo isivuno. Yingakho abalimi abaningi benquma ukutshala imifino nemifino ebamba lokushisa . Abaningi bathola isakhiwo esenziwe ngomumo ngenani elikhulu, ngendlela. Kodwa ungenza i-greenhouse ngezandla zakho, okuyiqiniso, okuzokwenza ukuthi kunciphise kakhulu imfucuza yempahla. Futhi endleleni, esinye sezici ezibalulekile yizinto zokugqoka. Ngokuvame kakhulu kulekhwalithi, ifilimu isetshenziselwa - indaba engabizi futhi elula, futhi kwezinye izimo nayo ihlala njalo. Uma ucabanga ukuthi ungayifaka kanjani ifreyimu yokushisa futhi ucabange ngakho, sizokutshela ukuthi yikuphi ifilimu engcono kunobumba obushisayo nokuthi yikuphi okumele ukhethe.
Ifilimu yezendawo zokugcina izithombo - kanjani ongakhetha?
Ukuze i-greenhouse yakho yesikhathi esizayo ikwazi ukufeza imisebenzi yayo, ifilimu kufanele ibe nezindawo ezilandelayo, okungukuthi:
- ukungena kwamanzi;
- okucacile;
- isokunwe;
- ukumelana nokushisa;
- ukuphefumula;
- ukuhlakazeka okukhanyayo.
Ngokungangabazeki, ngaleli fomu ifilimu enamandla kakhulu ye-polyethylene iyakufaneleka, okuyiyona engabizi kakhulu. Kodwa futhi kungaba nezinhlobo ezahlukene, ngayinye enezici zayo, njengoba kuzoxoxwa ngezansi.
Izinhlobo zefilimu ye-polyethylene yokugcina izithombo
Kuzo zonke izinhlobo zamafilimu ezithengiswa emakethe, ziqinile ngempela, zinhlobo ezintathu kuphela:
- ukuqiniswa;
- isikhathi eside;
- polyvinyl chloride.
Ifilimu eqinisekisiwe yokugcina izithombo yilezizinto ezinomsoco kakhulu ngefreyimu ekhethekile ye-honeyprob (fr) yangaphakathi ye-polypropylene noma i-fiberglass. Ifilimu elinjalo, nakuba liqinile (likhonza iminyaka engu-2-3), kodwa linokubonakala okuphansi kakhulu.
Ifilimu ye- polyethylene evamile yokugcina izithombo nezindawo zokugcina izithombo kuyindlela engabizi emakethe. Ukukhonza izinto ezinjalo kungakapheli isikhathi esisodwa, kodwa kuyathandwa izakhamuzi zasehlobo ngomnotho wayo.
Ifilimu ye-Polyvinyl chloride , ngokusobala okukhumbuza i-cellophane, ibhekwa njengenye yezinto eziqinile kakhulu. Izinto ezinjalo zinesici sokudlulisa ukukhanya okuphezulu - hhayi ngaphansi kwezingu-90%. Ngaphezu kwalokho, ifilimu ye-polyvinyl i-chloride ikwazi ukugcina okungaphezulu kuka-90% we-infrared kanye nama-80% wemisebe ye-ultraviolet. Lesi sigqoko kufanelekile uma kunenhloso yokulondoloza lapho kushisa ukushisa.
I-film engapheliyo yokushisa i-film iyinhlangano enkulu yezinto zokugqoka zokugcina izithombo ezinhlobonhlobo, eziningi zazo ezenziwe nge-polyethylene enezithasiselo ezihlukahlukene zokuthuthukisa izakhiwo. Isibonelo, ifilimu eqinisiwe yokugcina izithombo ihluke ngokujwayelekile ukuthi ukubunjwa kwayo kuhlanganisa izinto ezikhethekile. Ngenxa yalesi sithasiselo, lokho okushiwo yi-UV ukumelana ngakho-ke kubhujiswa kancane kancane ngenxa yelanga. I-subspecies yayo, ifilimu emnyama neyomhlophe yezithombo zokugcina izithombo, zidwezwe ngakolunye uhlangothi ezimhlophe, komunye - ezimnyama. Ngenxa yalokhu, uhlangothi olumnyama luthinta ukushisa kwelanga, kanti uhlangothi olumhlophe, ngokuphambene nalo, lubonisa lokho. Yiqiniso, indaba enjalo isetshenziselwa ukumboza ebusweni bomhlabathi ku-greenhouse
Ifilimu ebizwa ngokuthi i-hydrophilic ifilimu ikuvumela ukuba ususe into enjalo, isici sokugcina izithombo zokugcina izithombo, njengokunciphisa ukusa kwesikhumba esingaphakathi komswakama. Amaconsi amanzi avele avele egeleza phansi ifilimu. Esikhathini sefilimu e - antistatic yaminyaka eminingi, lesi sithako sivimbela ukubukeka kothuli phezulu. Ifilimu yokugcina ukushisa igcina ukushisa ngenxa yokuthi ngenxa yokwakhiwa kwayo ayidluli imisebe ye-infrared. I-air-bubble ifilimu yezitshalo zokugcina izithombo iyisakhiwo esingaphansi kwezingxenye ezintathu: ungqimba lwangaphakathi lwamabhulebhu emoyeni luzungelelwe ngamacala amabili ngefilimu ebushelelezi. Lo mklamo unamanzi omelana nokuvinjelwa kwamaqhwa.