samfurori

Matsayin gidan yanar gizon sunshade:
(1) Shading, sanyaya da kuma damshi A halin yanzu, adadin shading da ake samarwa a ƙasata ya kai kashi 25% zuwa 75%.Tarun inuwa masu launi daban-daban suna da nau'ikan watsa haske daban-daban.Misali, hasken wutar lantarki na tarukan shading na baƙar fata ya yi ƙasa da na tarukan shading na azurfa-launin toka.
Saboda net ɗin shading yana rage ƙarfin haske da zafin haske na haske, yana da tasirin sanyaya a fili, kuma mafi girman zafin jiki na waje, mafi bayyane tasirin sanyaya.Lokacin da zafin iska na waje ya kai 35-38 ° C, babban yanayin sanyaya zai iya kaiwa 9-13 ° C, kuma matsakaicin digo zai iya zama 19.9 ° C.Mafi mahimmancin tasirin sanyaya shine a saman, sannan kuma kewayon 20 cm sama da ƙasa da ƙasa, da kewayon 5 cm sama da ƙasa da ganyen shuka.Rufe gidan yanar gizon sunshade a lokacin rani mai zafi, ana iya saukar da zafin saman saman da 4-6 ° C, matsakaicin zai iya kaiwa 19.9 ° C, zafin jiki na 30 cm sama da ƙasa za a iya saukar da shi da 1 ° C, kuma zafin jiki na 5 cm karkashin kasa za a iya saukar da 3-5 ° C;idan an rufe saman, za a iya saukar da zafin jiki na 5 cm ƙarƙashin ƙasa Rage da 6 zuwa 10 ° C.
Bayan an rufe tarun inuwa, hasken rana yana raguwa, zafin jiki na ƙasa yana raguwa, saurin iska yana raguwa, kuma ƙazantar damshin ƙasa yana raguwa.Gabaɗaya, ƙashin ƙura shine kawai 30% zuwa 40% na filin buɗe ido, wanda ke da fayyace ayyuka na rigakafin fari da ɗanɗano.
(2) Mai hana iska, da ruwan sama, da hana cututtuka da kuma hana kwari Tarin shading yana da ƙarfin injina mai yawa, wanda zai iya rage asarar kayan lambu da guguwa, da ruwan sama, ƙanƙara da sauran muggan yanayi ke haifarwa.
An rufe gidan greenhouse da tarun inuwa.A lokacin guguwa, saurin iskar da ke cikin rumbun ya kai kusan kashi 40% na saurin iskar a wajen rumfar, kuma tasirin toshewar iskar a bayyane yake.

3. Zaɓin kayan net ɗin sunshade
1. Adadin shading: Zaɓin adadin shading ɗin inuwa dole ne yayi la'akari da waɗannan abubuwan: nau'in greenhouse, kayan da ke rufe greenhouse, yanayin yanayi na gida, da nau'ikan amfanin gona na greenhouse.Musamman ma buƙatun haske na nau'in amfanin gona, wurin ramuwa mai haske da madaidaicin haske na photosynthesis na amfanin gona daban-daban sun bambanta a kowane matakin girma.Bayan yin la'akari da dalilai da yawa, ya kamata a kwatanta ƙarfin hasken da ya fi dacewa don amfanin gona gabaɗaya kuma ya kamata a zaɓi wanda ya fi dacewa da tattalin arziki., M inuwa net.
Nau'i da ayyukan shading net a greenhouses sun dace don zaɓin dashen noma a lokacin rani

Tasirin sanyaya: A ƙarƙashin yanayin tabbatar da buƙatun haske don haɓaka amfanin gona, ƙarin hasken rana da ke haskakawa ta hanyar gidan yanar gizon sunshade, mafi kyawun tasirin sanyaya.A lokacin aikin sanyaya na shading na ciki, wani ɓangare na hasken rana da ake nunawa za a sha ta hanyar shading net kanta, wanda zai haifar da karuwa a yanayin zafi na shading net da musayar zafi tare da iska na cikin gida, don haka ƙara yawan zafin jiki na greenhouse. .Sabili da haka, don samun sakamako mafi kyau na sanyaya don sanyaya cikin gida, net ɗin shading da aka zaɓa dole ne ya sami babban haske ga hasken rana.Gabaɗaya, foil ɗin aluminium a cikin ragar tsare-tsare na aluminum yana da haɓakar haske zuwa hasken rana, kuma tasirin sanyaya ya fi na sauran nau'ikan raga.Tasirin sanyayawar hasken rana na waje na iya yin watsi da ɓangaren makamashin da gidan yanar gizon sunshade da kansa ke sha, don haka tasirin sanyayawar hasken rana na waje gabaɗaya yana ƙayyade ƙimar shading.