All About Plastic Agricultural Greenhouse Films - Applications | Usage | Specifications - PDF document

ĂreĄԆuesrऊlఃčฏఆruoฉreဎaagcԆ�ae.trT�eᘃG��rtఉlԒ�e᠃ b�ऍae᠃v�aఏkఉlԒ� Ăeenhouࠃ �lm iࠉone of the moࠏ important agriጇltural �lmࠔ ThiࠉPlaࠗc agriጇltural �lm for greenhouࠃ farming iࠉࠑid to be the main ࠇpport of prote጗ve ጇl�va�on and prote጗ve ጇl�va�on iࠉthe baጛbone of modern agriጇlture by ᴅiጅ ᴃ are able to ful�l the inጂeaࠍng demand of cerealࠞ grainࠞ vegetableࠞ fruitࠉ ᴅatever the ࠃason and ᴃather condi�on iࠔ By thiࠉ GrenԆus ਊlmifnਇ༂p a ጆntrolled environment ጑n be provided throughout the year for the growth of plant. In thiࠉar�ጋe, ᴃ ᴍll diࠓuࠈ in brief about greenhouࠃ �lmࠔ We ᴍll try to anࠝer ࠆme regular queࠗon about bene�tࠞ typeࠞ and appli጑�ons of agriጇltural greenhouࠃ �lm, aࠉᴃll aࠉtheir impaጏ on the environment. yw ,c ܃t�eဎaagcԆ�aeᬂTB Ăeenhouࠃ �lm iࠉa type of es aofȒf eȇ༂p . Thiࠉiࠉጆver for green house struጏure made of plaࠗc used aࠉࠅelter to the plantࠉgroᴍng inࠍde of it ᬃeping the environmental balanጃ and prote጗on. Iw ,c ܃t�eifaagcԆ�ae gWe༇�eo�a�B Ăeenhouࠃ iࠉa type of house like or ጑ve liᬃ struጏure ጆvered by glaࠈ, poly጑rbonate or plaࠗc �lm in ᴅiጅ environment iࠉጆntrolled in order to help for the enhanጃment of the groᴏh of plants inࠍde along ᴍth the prote጗on from the outer ࠍde hazardࠔ qw ,c ܃t�e�ȉ�ଌeᬂTeifaagcԆ�aB A plaࠗc �lm greenhouࠃ referࠉa Ăeenhouࠃ ࠏruጏure, roofࠉand sideࠉcovered ᴍth plaࠗc �lm made ᴍth polyethylene to ጆntrol the temperature inࠍde to proteጏ the plantࠉinࠍde. zw ,c ܃t�eifaagcԆ�aeᬂTeT WaeԤB A Ăeenhouࠃ �lm iࠉgenerally made of 6 mil polyethylene moࠏly. Along ᴍth thiࠉ ጆpolymer plaࠗጞ polyvinyl plaࠗጉor poly጑rbonate plaࠗጉ጑n be uࠃd. Ăeenhouࠃ plaࠗc are uࠃd to be a type of smooth plaࠗጞ very lightᴃight but able to proteጏ the plantࠔ The roof and the ࠍdeࠉof the struጏure uࠃd to be ጆvered by thiࠔ “Ăeenhouࠃ �lm” iࠉa be�er term of “the plaࠗጉuࠃd to ጆver the roof and sideࠧ. 6w ,c ܃Wԑ�eifaagcԆ�aeᬂTeWԟ Ăeenhouࠃ �lm iࠉa type of cover for green houࠃ ࠏruጏure made of plaࠗጉuࠃd aࠉ ࠅelter to the plantࠉgroᴍng inࠍde of it keeping the environmental balanጃ and prote጗on. It ጑n ࠇppreࠈ the heat by abࠆrbing or re�e጗ng and deጂeaࠃ the poᴃr conࠇmp�on up to 20Ⱄ A greenhouࠃ �lm iࠉable to protect a plant from inࠃጏࠉand do a great role in enhanግng of �ower, vegetable and fruitࠔ “w ”�eifaagcԆ�ae�ȉ�ଌe� AaB Ăeenhouࠃ �lm iࠉgenerally UV ࠏabilised that it ጑n ᴍthࠏand with all ᴃather and outdoor appli጑�onࠔ This iࠉmoࠏly made of virgin polymerࠔ So, thiࠉiࠉfar be�er than normal loᴰጆࠏ poly. Some ጆ poly or loᴰጆࠏ poly made greenhouࠃ �lmࠉare alࠆ there available in marᬃt. Thoࠃ loᴉጆst �lmࠉare good for one ࠃason ጇl�va�on only. �w ,c༌ce�Ԃ�ucagae༊eo�aWetgeifaagcԆ�aB Polyethylene (PE) iࠉthe main type of polythene that iࠉuࠃd to maᬃ greenhouࠃ �lms. Thiࠉiࠉuࠃd ᴍdely be጑uࠃ of itࠉᴍde appli጑�on, ᴑxy texture and ࠜnthe�ጉ behaviour. 㔆reover, it haࠉsome exጃp�onal meጅani጑l & phyࠍ጑l proper�es liᬃ tenࠍle ࠏrength, reࠍstanጃ, toughneࠈ, adaptability, economi጑lly and ࠅore hardneࠈ. 2w ,c ܃ faeܓae༡a reT༌fԒ�eAԎeifaagcԆ�aB 150-200 miጂon iࠉuࠃd to be the best aࠉper thiጛneࠈ for ጆmmerግal Ăeenhouࠃ �lm. A farmer expeጏࠉa �lm to be thiጛ enough too stretጅed over the ࠏruጏure properly and ࠏay ࠏrong along ᴍth a beau�ful tranࠌiࠈion of light. 0w ⰅⴃȅgieWԑ�eifaagcԆ�aeᬂTeȉ�ܟ 㤄e to Five years approximately, if you are buying the greenhouࠃ �lm from a reputed ጆmpany ᴅiጅ iࠉmade of virgin polymer granule and UV ࠏabilised material. There are loᴉጆst �lmࠉare available in marᬃt aࠉwell ᴅiጅ iࠉmade for one ࠃason ጂop only. yVw ,c ܃ faeܓaeW༯afagueu��a�eԤeifaagcԆ�aeᬂT�B By the type of polymer granule theࠃ �lm age of 3 typeࠔ EVA i.e., Ethylene-vinyl aጃtate made, PVC i.e., Polyvinyl Chloride made and another iࠉthe moࠏ ᬄoᴄ PE, i.e., polyethylene made. By the baࠃ of layer࠽ greenhouࠃ �lmࠉ጑n be diࠓuࠈed aࠉ ᴃll.7 layered �lmࠉare the beࠏ. 㤏her than that, by di�erent traitࠉe.g., thiጛneࠈ, tranࠌiࠈion, Di�uࠍon, Thermality, 㤐aግty, Re�eጏanጃ, An� 䀂ip, An� 䀇ࠏ, 100Ⰹ UV Bloጛ up to, Shade Faጏor, UV Life, Colour, Width Toleranጃ, Thiጛneࠈ Toleranጃ, Sulphur Reࠍstanጃ, Chlorine greenhouࠃ ጑n be segregated by many typeࠔ Those are CLEAR, CLEAR +, 䀠FFUSE䀞 C㤹L, R㤯A, BLUE, C䑁㤵A, A䔕䐭RA, ECLIPSE yyw ,c ܃t�e e�eȉ�afaWeifaagcԆ�aeᬂTB A 7 layered �lm iࠉa premium segment of �lm ᴅiጅ iࠉࠐeግaliࠃd for agriጇlture and paጛaging. For 1 mm ࠢ. feet of �lm, it undergoeࠉᴍthin 7 faግli�eࠉliᬃ high-ࠐeed extruderࠞ Karl 㔑yer ᴂapperࠞ ᬄi�ng maጅineࠉand wide Sulzer and ግrጇlar loomࠉetc. to inጂeaࠃ the durability and UV stabiliza�on poᴃr. A䠃r the produ጗on 2 �er of inࠐe጗on happens uࠇally to make it defeጏ free. yIw ,c ܃ faeܓaeԇcaf�eifaagcԆ�aeᬂT�e�܉gWeAԎB Theࠃ are 7 layered greenhouࠃ �lms • Clear – very leࠈ di�uࠍon (beloᴉ20ⰳ • Clear Pluࠉ– Leࠈ di�uࠍon (30-40ⰳ • 䀍�uࠃd -Medium di�uࠍon (60-70ⰳ • Cool – high di�uࠍon (80-85ⰳ -ca�ae fae��am༉ȏܩeifaagcԆ�aeᬂT� • Roࠑ - UV Bloጛing �lmࠉfor roࠃ ጇl�va�on. • Chroma - UV open �lmࠉfor bi ጆlour roࠃ fruitࠉetጔ • Anthura - 15 to 70 Ⰹࠅade (hot area / 䔇rࠃry / Anthurium/ po�ed plant࠳ • Eጋipࠃ – 䀑rᬃning / Blaጛ out �lmࠉ(panda �lm࠳ Blaጛ & White or Blaጛ • Ăifa -ࠐecial �lmࠉfor ጑nnabis ጇl�va�on • Photo ࠃle጗ve Blue - ࠐeግal �lmࠉfor vegetableࠞ fruitࠉand ࠃedling yqw ,c༌ce༊ena(afesEeԎes㌴eAԎeifaagcԆ�aB PVC fabriጉiࠉmore durable than PE. Aࠉit has higher tear strength it iࠉable to ᴍthstand to any di专ult or extreme ᴃather ጆndi�on liᬃ heat, ᴍnd, iጃ or rain. 㤄ly problem ᴍth PVC �lm iࠉitࠉleࠈ tranࠐarenጜ. So that it doeࠄ’t alloᴉmore natural light liᬃ PE inࠍde of the struጏure. But if you are planning for a long-term PVC iࠉno doubt a good ጅoiጃ. yzw ,c ܃t�eܓaeTԊ܃ⴏWaȩeo�aWeifaagcԆ�aeᬂTB 㔆st ᴍdely uࠃd greenhouࠃ �lm iࠉᬄoᴄ aࠉplaࠗጉ�lm. Thiࠉplaࠗc �lmࠉare mostly made of PE, i.e., polyethylene. Some other type of greenhouࠃ �lmࠉiࠉalࠆ available ᴅiጅ iࠉmade of EVA i.e., Ethylene-vinyl aጃtate and PVC i.e., Polyvinyl Chloride. y6w ”�eifaagcԆ�ae�ȉ�ଌeW༯afagueܓ gefaioȉfe�ȉ�ଌB Ăeenhouࠃ plaࠗc �lmࠉare far be�er than regular plaࠗጉ�lmࠔ Ăeenhouࠃ �lm iࠉ generally UV ࠏabilised that it ጑n ᴍthࠏand ᴍth all weather and outdoor appli጑�onࠔ Thiࠉiࠉmostly made of virgin polymerࠔ So, thiࠉiࠉfar be�er than normal low-ጆst regular plaࠗጔ In outdoor appli጑�ons or extreme condi�on regular plaࠗጉ iࠉnot able to protect and it iࠉuࠇally destroyed. y“w ,c ܃t�eܓaeȅgia�܃ȉ�଒ieifaagcԆ�aeT ܑf༉ȟ Poly጑rbonate Ăeenhouࠃ Plaࠗጔ A poly጑rbonate plaࠗc panel ጑n eaࠍly last for 10 yearࠉapprox. Though theࠃ are thiጛer and more rigid that normal polyethylene plaࠗc �lmࠉit iࠉenough tranࠋuጃnt to paࠈ natural light to the plant. y�w ,c༌ce༊ena(afeAԎe eifaagcԆ�ae�ȉ�ଌeԎe�Ԃ�m fnԒ ܑB Poly጑rbonate Ăeenhouࠃ Plaࠗጉiࠉalᴑyࠉbe�er for a good greenhouࠃ ጇl�va�on if you have a good budget for it. Poly጑rbonate iࠉthiጛer, more rigid and durable. It alloᴈ di�uࠍon of light inࠍde the ࠏruጏure ᴅiጅ ጑uࠃࠉa proper distribu�on of natural light for all plantࠉand it ጑n proteጏ the plants inࠍde by itࠉrigidity. It ጑n eaࠍly last for 10 yearࠔ But thiࠉiࠉጆstlier than PE or PVC �lmࠔ y2w x ge”eo�ae�ȉ�ଌeⴎ �eAԎe eifaagcԆ�aB 㤙viouࠋy, you ጑n if you are aᴑre of the quality of the plaࠗጔ 䀆meࠗ጑lly ᴃ uࠃ plaࠗc aࠉwell in ᬍtጅen to ጆntrol temperature for vegetableࠔ The ࠑme phyࠍገ we apply for the green houࠃ ጇl�va�on. 䐃re by covering the struጏure ᴍth a good plaࠗc ᴃ trap the heat that the temperature inࠍde ጑n be maintained throughout the year. It helpࠉin ጇl�va�on and plantࠉto groᴔ y0w ,c ܃ faeܓae�fԗaf଑�eԤeifaagcԆ�aeᬂTB Some main proper�es of Ăeenhouࠃ �lmࠉare uࠇally an� dripping, an�-fog, an� UV etc. To maᬃ it brief: • Filmࠉࠅould have high light tranࠌiࠈion and op�mum di�uࠍon proper�es • UV, IR, and Thermal stability • An�-duࠏ proper�eࠉto ᬃep ጋean • An�-drip / fog redu጗on proper�es for prote጗on from diࠃaࠃs • UV bloጛing and An�-virus e�eጏ • IR rea጗on helpࠉin temperature redu጗on • IR thermiጉhelpࠉto trap heat inࠍde the greenhouࠃ • An�-Sulphur / Chlorine proper�es provide prote጗on againࠏ peࠗግdes • Exጃllent Meጅani጑l strength, tear reࠍࠏanጃ, �ex ጂaጛ & ESCR inጂeaࠃ the life of the �lm • Redu጗on of viral and fungal a�aጛs • Redu጗on of ᴑter uࠑge • Prote጗on from bio�c and abio�c ࠏreࠈ • Redu጗on of pest a�aጛs IVw ⰅⴃWԑ�eifaagcԆ�aeᬂTeUԎMB Ăeenhouࠃ �lmࠉplay role in: Climate ጆntrol: Ăeenhouࠃ �lmࠉare able to ጂeate ጋimate for plant groᴏh throughout the year, ᴍth regulated temperatureࠞ humidity, and light expoࠇre. Prote጗on from ᴃather elementࡏ Prote጗on from di专ult ᴃather ጆndi�onࠞ ࠇጅ aࠉwind, rain, and hail iࠉanother point. Frost damage ጑n be controlled by it. Peࠏ ጆntrol: Ăeenhouࠃ �lmࠉmaᬃ a barrier to peࠏࠞ ࠇጅ aࠉinseጏࠉand rodentࠞ by uࠍng no peࠗግdeࠔ Water ጆnࠃrva�on: As it preventࠉdirect intera጗on of ࠇnlight ᴍth ࠆil, ᴑter evapora�on deጂeaࠃࠔ It maᬃࠉposࠍble leࠈ ᴑter and more irriga�on. Energy e专ienጜ: Ăeenhouࠃ �lmࠉrequire leࠈ energy to heat and ጆol than tradi�onal buildingࠞ aࠉthey are ࠌaller and have be�er inࠇla�on. cGGraoeԍlnui.uT ��lmifn�uParpn Ăeenhouࠃ �lmࠉare uࠃd in a variety of appli጑�onࠞ inጋuding: • Commerግal agriጇlture: Ăeenhouࠃ �lmࠉare commonly uࠃd in ጆmmerግal agriጇlture to groᴉa variety of ጂopࠞ inጋuding fruitࠞ vegetableࠞ and �oᴃrࠔ They provide an ideal groᴍng environment and help to inጂeaࠃ ጂop yieldࠔ • Researጅ and experimenta�on: Ăeenhouࠃ �lmࠉare uࠃd in researጅ and experimenta�on to ࠏudy the e�eጏࠉof di�erent groᴍng ጆndi�onࠉon plant groᴏh. This alloᴈ ࠓien�ࠏࠉto develop neᴉጂop varie�eࠉand improve agriጇltural pra጗ጃࠔ • 䐆me gardening: Ăeenhouࠃ �lmࠉare alࠆ uࠃd by home gardeners to extend the groᴍng ࠃason and groᴉጂopࠉthat are not typi጑lly groᴄ in their region. They are alࠆ ideal for growing plantࠉthat require ࠐeግ�ጉgroᴍng condi�onࠞ ࠇጅ aࠉtropi጑l plantࠔ Ăeenhouࠃ �lmࠉhave revolu�onized agriጇlture by providing a ጆntrolled environment for the groᴏh of plantࠔ They o�er several bene�tࠞ inጋuding ጋimate ጆntrol, prote጗on from ᴃather elementࠞ pest control, ᴑter ጆnserva�on, and energy e专ienጜ. 䐆wever, their produ጗on, uࠃ, and diࠐoࠑl have a signi�጑nt impaጏ on the environment, ጆntribu�ng to greenhouࠃ gaࠉemiࠈionࠞ plaࠗጉ pollu�on, and resourጃ deple�on. To minimize the environmental impaጏ of greenhouࠃ �lmࠞ farmers ጑n uࠃ reneᴑble energy, ጅooࠃ eco-friendly �lmࠞ reduጃ ᴑࠏe, and improve e专ienጜ. In the future, advanጃmentࠉin teጅnology, ࠇࠏainability ጆnጃrnࠞ and ጅanging ጆnࠇmer demands are liᬃly to ࠅape the future of greenhouࠃ �lmࠔ Aࠉwe ጆn�nue to develop neᴉand innova�ve solu�onࠉfor agriጇlture, it ᴍll be important to conࠍder the environmental impaጏ of greenhouࠃ �lmࠉand taᬃ ࠏeps to reduጃ their footprint on the planet’s