Izithombo zokugcina izithombo zepulasitiki seziphenduke ukukhetha okuthandwa ngabalimi nabalimi, ngenxa yezindleko zabo eziphansi kanye nokufakwa kalula. Banikela ngendlela engabizi yokwengeza isikhathi sokukhula futhi bavikele izitshalo ezimweni zezulu ezinzima. Kodwa-ke, ngenkathi izithombo zokugcina izithombo zepulasitiki zibonakala njengesixazululo esikhulu, ziza nezinselele eziningi abantu abaningi abangase bazibukele. Nakhu ukubhekisisa okusondelene nezinkinga okufanele uzicabangele ngaphambi kokutshala imali epulasitiki greenhouse.
Izindleko: Ngabe kushibhile ngempela njengoba ucabanga?
Izithombo zokugcina izithombo zepulasitiki zivame ukubonwa njengenye indlela engabizi ye-Glass noma i-POYCARbonate (PC) Greenhouse. Amamodeli amancane epulasitiki ajwayele intengo ephansi, okubenza bakhange abadlali be-hobbyists kanye nabalimi abancane. Kodwa-ke, izindleko zokugcina izithombo zepulasitiki zingahluka kakhulu ngokuya ngohlobo lweplastiki olusetshenzisiwe nokuqina kwalo. Uma ufuna abamba ukushisa okuhlala isikhathi eside, uzodinga ukutshala imali kuma-perser, amapulasitiki amelana ne-UV, angakhuphula izindleko kakhulu. Ngokwengeziwe, njengoba ubukhulu nobunzima be-greenhouse bukhula, kanjalo nentengo, ukunciphisa inzuzo yezindleko zokuqala.
Ukugcinwa kokushisa: Ngabe bakwazi "ukupheka" izitshalo zakho ehlobo?
Izithombo zokugcina izithombo zepulasitiki zihle kakhulu ekugcinweni kokushisa, okulungele izimo zezulu kubanda kakhulu, kepha kungadala izinkinga ngesimo sezulu esishisayo. Ezindaweni ezinokushisa okukhulu kwehlobo, amazinga okushisa ngaphakathi kohlaza okhulekele epulasitiki angadlula kalula nge-90 ° C (32 ° C), engalimaza izilimo ezibucayi. Kulezi zimo, izitshalo ezifana ne-lettuce nesipinashi zingawufuna, ziyeke ukukhula, noma zife. Ukulwa nalokhu, izindlela ezengeziwe zokupholisa ezifana nezinhlelo zomoya noma umthunzi kuyadingeka, zengeza kuzo zombili izindleko nokubumbana kokuphatha abamba ukushisa.
Ukuhanjiswa okukhanyayo: Ngabe izitshalo zakho zizothola ukukhanya okwanele?
Ngenkathi ipulasitiki ivumela ukukhanya ukuthi kufake abamba ukushisa, akugcini ngokudluliswa okungaguquki ngokuhamba kwesikhathi. Imisebe ye-UV kusuka elangeni kubangela ipulasitiki ukungcolisa, ophuzi, bese ulahlekelwa ukucaca kwawo. Isembozo sepulasitiki esithi ekuqaleni sivumela ukukhanya okungu-80% kungahle kwehle ku-50% noma ngaphansi ngemuva kweminyaka embalwa nje. Lokhu kuncishiswa kokukhanya okukhanyayo kuthinta izithombe-photosynthesis, okuvuselela ukukhula kwezitshalo futhi kunciphise isivuno nekhwalithi. Izithombo zokugcina izibuko, ikakhulukazi lezo ezinezingilazi eziphakeme ezisezingeni eliphakeme, gcina ukuhanjiswa kokukhanya okuguqukayo kwesikhathi eside.
Ukuqina: Ngabe kuzohlala isikhathi eside ngokwanele?
Izithombo zokugcina izithombo zepulasitiki zivame ukuba nesikhathi esifushane sokuphila uma siqhathaniswa nezindlela zengilazi noma zensimbi. Ngisho ne-plastics evimbela i-UV imvamisa yahlukana neminyaka emi-3-4 kuphela ngaphambi kokuba iqale ukonakalise. Izinto zepulasitiki ezijwayelekile zilimaza ngokushesha okukhulu. Ngokwengeziwe, isembozo sepulasitiki esincanyana sithambekele ekudwebeni, ikakhulukazi ezindaweni ezinemimoya enamandla noma isichotho. Isibonelo, ezifundeni lapho kuvame khona imimoya, izithombo zokugcina izithombo zepulasitiki zivame ukudinga ukulungiswa kwezinye izindawo noma okuphelele. Noma ngeplastiki enkulu, okubonakalayo kungaqhekeka ngenxa yokwanda nokuwohloka kusuka ekushintsheni kwezinga lokushisa, kunciphisa futhi isikhathi sayo sokuphila. Ngokuqhathanisa, ama-greenhouses engilazi angahlala iminyaka engama-40-50 ngokuwohloka okuncane, enikeza ukuqina okungcono kwesikhathi eside.
Umthelela Wezemvelo kanye Nesondlo: Ngabe banobungane ngempela?
Ukungcoliswa kwepulasitiki
Ekupheleni kwesikhathi sabo sokuphila, izindawo zokugcina izithombo zepulasitiki zifaka isandla ekungcoleni kwemvelo. Iningi leplastiki elisetshenzisiwe kulezi zinhlaka alisetshenziswa kabusha, okusho ukuthi ligcina ekunciphiseni lapho kungathatha khona amakhulu eminyaka ukubola. Ukukhiqizwa kwepulasitiki kubuye kufake phakathi ukukhishwa nokucutshungulwa kwamafutha okugcwala, okuholela ekuphumeni okuphezulu kwekhabhoni. Ngokuphambene nalokho, ezinye izindlela ezizinzile ezifana nengilazi eyenziwe kabusha noma ipulasitiki engathandeki inomthelela omuhle kakhulu wezemvelo.
Izidingo Zokugcina Okuphezulu
Izithombo zokugcina amapulasitiki zidinga ukulungiswa njalo. Isembozo sepulasitiki sidinga amasheke avalekile izimbobo noma izinyembezi, okumele kulungiswe ngokushesha ukuvikela ukulahleka kokushisa noma umswakama. Ipulasitiki kumele futhi ihlanzwe ngezikhathi ezithile ukuze ilondoloze ukudluliswa kwayo kokukhanya. Le misebenzi ingadla isikhathi futhi isidina. Ngaphezu kwalokho, amafreyimu angasindi amapulasitiki zokugcina amapulasitiki, kuyilapho engabizi, kungenzeka angabi namandla njengezinhlaka zensimbi noma zengilazi. Badinga ukuhlolwa okuvame kakhulu nokulungiswa ukuze baqinisekise ukuthi bahlala bephephile futhi besebenza ngokuhamba kwesikhathi.
Izithombo zokugcina izithombo zepulasitiki zinikeza izinzuzo ezithile njengezindleko eziphansi zokuqala nokufakwa okulula. Kodwa-ke, futhi ziza nemikhawulo eminingana engabenza bangalungele ukusetshenziswa kwesikhathi eside. Ukusuka ezindabeni ngokuqina, ukuhambisa okukhanyayo, nokugcinwa kokushisa ekunakekelweni okuphezulu kanye nokukhathazeka kwemvelo, kubalulekile ukukala lezi zinto ngokucophelela ngaphambi kokwenza isinqumo. Ukuqonda izinzuzo nokubi kwezinto ezihlukene zokugcina ukushisa kuzokusiza ukhethe inketho engcono kakhulu yezidingo zakho ezithile nendawo.
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Isikhathi sePosi: Feb-14-2025