Ukushisa

Ukukhetha ifilimu yezithombo zokugcina izithombo: izinhlobo eziyinhloko zokushisa ifilimu kanye nokukhethwa kwezinqubo

Ayikho impendulo engacacile embuzweni wokuthi iyiphi ifilimu engcono ukuyisebenzisa ukuze kusetshenziswe ukushisa - zonke izinhlobo zinezikhwebu kanye nobubuthakathaka. Lapho sinquma ukuthi yiliphi ifilimu elizokhetha ukushisa okushisa, abalimi abaningi baqondiswa izindleko zokuhlanganisa impahla. Futhi intengo yayo, iyophinde ixhomeke ukuthi ingabe ifilimu engapheli yezithombo zokugcina izithombo noma cha, futhi ngezici zekhwalithi kanye nobuchwepheshe balezi zinto.

Ifilimu yezendawo zokugcina izithombo: izici eziyinhloko zendaba

I-greenhouse ifilimu iyindlela engcono yokugqoka ingilazi, futhi ukugqoka okwamanje kunamathuba amaningi. Ayishibhile, kulula ukuhlangana nokushintsha uma kwenzeka umonakalo kulezi zingcezu. Ukusetshenziswa kwabo kuletha ukutshalwa kwanoma yikuphi izitshalo ezingeni elisha ngenxa yezinto ezingenayo ingilazi - ikhono lokusakaza ilanga nokudlula umoya.

Izinhlobo zefilimu zokugcina izithombo

Ifilimu ye-polyethylene inezinhlobo ezehlukene - ifilimu engaqinisekisiwe neyizinzile, engenakukwazi ukushisa, ifilimu ye-PVC, iqinisiwe, i-copolymer nefilimu enezithasiselo.

I-polyethylene engazinzile

Ifilimu yePlastiki yokugcina izithombo ngaphandle kokuzinza - lena ifilimu evamile, ehamba kakhulu. Ukuphila kwesevisi yayo ezindaweni zokugcina izithombo kuya ezinyangeni ezingu-4-6, okungukuthi, yisikhathi esisodwa. Le ndaba iphelelwe yisikhathi - ilulekile futhi idwengulwe. Ngaphezu kwalokho, i-condensate iqoqa endaweni yangaphakathi - "amaconsi", ayingozi ezitshalweni, futhi uthuli luthinta emkhathini ongaphandle, okunciphisa ukukhanya futhi, ngenxa yalokho, ukungabi khona kokukhanyisa ku-greenhouse.

I-Hydrophilic igxilile

Ukushisa okwenziwe ngefilimu eplastiki nge-UV-stabilizer - ephelele kakhulu. Le filimu imelana nemisebe ye-UV futhi ayidlulisi imisebe ye-IR, okusho ukuthi ihlala isikhathi eside futhi isindisa ukushisa. Futhi, umehluko walo ophawulekayo wukuthi i-condensate ye-droplet ayifaki izitshalo, kodwa iqhubekela phansi - lokhu kuhlanganisa okukhulu. Ngaphezu kwalokho, kuyisilwane esiphelile, futhi ukubonakala kwayo kugcinwa kulo lonke ukuphila. Ingasebenza kuze kube yiminyaka engu-5. Kuvame ukutholakala kule mibala elandelayo: ifilimu yokusimama eluhlaza yokugcina izithombo zokugcina izithombo, i-orange, iphuzi noma i-blue ifilimu yezithombo zokugcina izithombo.

Ukugcina ukushisa

Leli frimu elimelana nesithwathwa sombala obumhlophe obumhlophe, okwazi ukugcina ukushisa kuka 2-3% okungcono kunamafilimu avamile. Iphinde iphethe uthuli nokungcola, ihlala ibala futhi inomphumela we-hydrophilic. I-minus yayo ihlukumezeka, impilo yensizakalo yayo yinyanga ezingu-7-8, futhi nokunye ukukhula okuphawulekayo kokuvunwa ezindaweni zokugcina izithombo ezihlanganiswe nayo.

Uyazi? Ngenxa yefilimu yokugcina ukushisa, isivuno semifino yemifino singakhula kusuka ku-10 kuya ku-25%.

Ifilimu ye-PVC

Namuhla - ifilimu esebenzayo, eqinile neyasetshenziswa isikhathi eside. Ukusebenza komsebenzi isilinganiso - iminyaka engu-7. Ifilimu ye-PVC iyinto ebonakalayo enamandla egcwele imisebe yama-infrared. Lokhu kusho ukuthi izinga lokushisa elitheni lokushisa alinciphisi ngesikhathi sezulu esibanda. Kodwa ukusetshenziswa kwayo kunciphisa ukukhishwa kwemisebe ye-UV kuya ku-15-20%, futhi ngokungafani ngokushesha kucolile ngothuli (udinga ukuwageza kaningi), kungadala, okudinga ukulungiswa nokuvusa ifilimu ngezikhathi ezithile.

Kubalulekile! Ifilimu ye-Slack kumele iqinisekiswe ngaphandle kokulibala. Uma kungenjalo, iphula.

Ifilimu eqinisekisiwe yokugcina izithombo

Lena ifilimu yokuzinza enezikhwebu ezikhulayo - iqiniswa nge-filament polyethylene, eyandisa impilo yayo yokusebenza iminyaka engu-1.8-2. Kodwa ngesikhathi esifanayo ukukhanya kwayo ukukhanya kunciphisa ngo-12-13%. Ezindaweni eziseningizimu lokhu akuyona into ephawulekayo, futhi ezindaweni ezisenyakatho kuyoba yincinci.

I-ethylene vinyl acetate i-copolymer ifilimu

Enye yamafilimu asetshenziswe kakhulu. Ifilimu ye-Copolymer isisindo esiqinile, esigxilile, esicacile, esine-frost-resistant, i-hydrophilic futhi engagqoki. Igcina izindawo zayo kuze kuphele iminyaka engu-3. Itholakala ngobubanzi kusuka ku-150 kuya ku-600 cm, ubukhulu - 0.09-0.11 mm. Lona ubukhulu obuningi obuphakanyisiwe. Ifilimu yepulasitiki ekhudlwana, empeleni, ayidingekile, ngeke izuze ngokwezomnotho.

Kubalulekile! Emazingeni aphezulu okushisa emoyeni, ukushisa kwezitshalo kungenzeka endaweni yokushisa egcwele ifilimu ye-copolymer.

Amafilimu nezithasiselo

Wonke amafilimu abhalwe ngenhla, ngaphandle kwavamile, amafilimu anezithasiselo esekelwe ifilimu elula ye-polyethylene. Ngaphezu kwazo, kunezinye izinhlobo zamafilimu. Ngakho-ke, ifilimu emnyama iyinhlangano yokubhukuda, okusetshenziselwa njenge-mulch. Ukushisa Ukushisa Ukushisa - emhlophe, ekwazi ukuhlakaza imisebe yelanga, ukudala umthunzi okhethekile, nokuvimbela ukushisa okwedlulele kwezitshalo ngaphakathi kokushisa. I-Acrylic ifilimu - "ukuphefumula" futhi ngesikhathi esifanayo ukusindisa ukushisa.

Izici eziyinhloko lapho ukhetha ifilimu

Khetha ifilimu yezithombo zokugcina izithombo ezinezinga eliphakeme ebangeni lama-160-230 microns. Isayizi singahluka - kusuka ku-1.2 kuya ku-6 m ububanzi futhi kufika ku-100 (!) M ngobude. Udinga ukukhetha ifilimu kumthengisi othembekile futhi uthathe indaba yomkhiqizi ohloniphekile. Ngoba kunzima ukucacisa ukuthi ngabe umkhiqizo ungumgangatho ophezulu, ngokugcina yonke imingcele enikezwe yona noma cha. Namuhla, ochwepheshe abaningi batusa ukusetshenziswa kwefilimu yabakhiqizi baseRussia ngezinga eliphezulu kakhulu lentengo / izinga.

Uyazi? Imikhiqizo esetshenziswa kakhulu kakhulu yamafilimu amafemu aseRussia yiPolisvetan, Redline, Anti-Mold, kanye nokuvuna.

Indlela yokukhetha ifilimu yezithombo zokugcina izithombo: iseluleko sochwepheshe

Ochwepheshe bayeluleka lapho bekhetha ifilimu ye-greenhouse yokugxila enjongweni yayo yokusebenza. Uma kudingekile ukuba kusetshenziswe i-mini-greenhouse izithombo, khona-ke inketho yesabelomali yesikhathi esisodwa kufanelekile - ifilimu ejwayelekile. Kuzobe kungabizi, futhi ngonyaka ozayo kuzokwazi ukuthenga izinto ezintsha zezithombo. Futhi uma udinga ifilimu yokusetshenziswa okuqhubekayo unyaka wonke - khona-ke udinga ukubheka intengo futhi ukhethe okungaphezulu okugqoke ukugqoka nokusebenza kahle kwe-agrotechnically. Futhi, uma ukhetha, isifunda (enyakatho, eningizimu) kanye nesayithi ngokwalo ngokuqinisekile kuhloswe - uma kuyintaba nemimoya evamile, khona-ke udinga ukuthatha ukwaziswa okungapheli. Uma izimo zezulu zizolile noma indawo isendaweni ephansi, okungukuthi, ivikelwe ukukhululeka, bese ucabangela okukhethwa kukho okulinganayo okufanelekile izindleko.

Imuphi ifilimu engcono kubamba bakho abamba ukushisa - nguwe kuphela onquma. Futhi ngokucabangela ukuthi ukuthuthukiswa kwezinto ezintsha zokugcina ukushisa okuqhubekayo kuqhubeka, kungcono ukuqapha njalo izinto ezintsha ezikhulayo kule ndawo ukuze kuncishiswe ubunzima, kwandise isivuno kanye nezinto ezibonakalayo zokonga ukuze zisetshenziswe.