Yog hais tias muaj ib tug ntshaw kom tau ib tug qoob loo raws li thaum ntxov li sai tau, tsim ib lub tsev xog paj nyob rau hauv lub vaj teb, uas ua hauj lwm pab tiv thaiv cov tua los ntawm tsawg kub. Feem ntau feem ntau nws muaj raws li qhov kev txawb hluav taws xob - thaum ib semicircular ncej ntawm arches muab tso rau hauv cov ntaub npog. Nws yog hais txog nws uas yuav tham.
Arc tsev cog khoom - khoom siv
Muaj coob tus gardeners xav yuav npaj txhij-los ua greenhouses los yog qhov chaw. Tseem muaj cov neeg uas xav ua nws tus kheej. Yog tias peb tham txog seb yuav ua dab rau ib lub tsev cog qoob loo, ces hnub no lawv ua los ntawm cov khoom sib txawv, uas txawv hauv cov nqi thiab cov degree ntawm kev cia siab:
- Cov kav hlau yas. Qhov no yog qhov kev xaiv nrov tshaj plaws. Xws li cov kav dej yooj yim khoov, tsis txhob poob qis, tsis hnov mob rau cov huab cua tsis zoo thiab, qhov tseem ceeb tshaj plaws, tsis tuaj yeem ua txhaum (tsis zoo li cov hlau). Tsis tas li ntawd, rau lub installation ntawm cov khoom rau ib lub tsev cog qoob los ntawm cov kav dej polypropylene, lub hauv paus tsis yog qhov yuav tsum tau ua ntej, lawv yog cov txawb heev.
- PVC kav. Kuj kuj ntseeg tau yooj yim thiab yooj yim rau dabtsi yog khoov khoom, uas yuav tsis kim.
- Ntawm cov hlau kav. Cov no yog cov khoom siv zoo heev thiab kim heev. Hlau arcs rau lub tsev xog paj, li cas los xij, yuav tsum tau ib tug gardener foundation.
Khoom rau txheej ntawm arcades
Ntawm cov ntaub ntawv npog rau lub tsev cog khoom yog nrov:
- polyethylene zaj duab xis;
- polycarbonate;
- reinforced zaj duab xis (siv zog dua, hloov lub teeb, cua tshuab npuas);
- non-woven npog cov ntaub ntawv (Spunbond, Agril, Agrospan).
Pa polyethylene zaj duab xis - ib qho pheej yig, tab sis unreliable khoom, uas yuav pab, feem ntau yuav, ib lub caij. Lwm yam hom yeeb yaj kiab raug ua kom muaj zog, tsim kom muaj kev sov siab. Carbonate kuj tseem raug hu ua kev xaiv zoo - nws yog kev ntseeg thiab kav ntev, mus txog 10 xyoo. Tsis-woven npog khoom rau greenhouses - ib qho zoo heev "breathable" analogue ntawm zaj duab xis, uas tsis dhau cua thiab noo noo. Los ntawm txoj kev, kom npaj txhij-ua poob ntawm greenhouses, cov ntaub ntawv npog muaj tshwj xeeb sinuses rau arcs.
Yuav ua li cas rau nruab ib lub tsev cog khoom los ntawm cov hlab arcs?
Muab khaws cia greenhouses ntawm arcs nrog cover khoom yog tsis nyuaj:
- Ua ntej, tus ncej yog sib sau ua ke. Arcs raug muab faus ncaj qha rau hauv av los yog khov kho nrog rau lub hauv paus ntawm ib qho chaw los yog ntsia. Thiab tso arcs ntawm ib tug deb ntawm 50-80 cm, tsis ntau.
- Tom qab ntawd los ntawm qhov chaw npog cov khoom, uas yog tsau rau hauv av nrog ib lub cib los yog staples mus rau lub hauv paus los yog arches.
Yog tias koj yuav ib lub tsev cog qoob loo, ces cov sinuses yog thawj zaug txiav rau hauv lub sinuses, thiab tsuas yog ces tag nrho cov qauv yog ntsia rau ntawm thaj chaw xaiv.