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《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2013年16期

Page:

58-60

Research Field:

Publishing date:

Info

Title:

ApplicationsofTwoDifferentGreenhousesinIntensiveSeedlinginSummer

Author(s):

NIELan-chun¹; LIChun-meng²; HUShu-ming¹; QILin²; LIShu-xin²; LIJun-ping¹

1.DepartmentofHorticulture,AgriculturalUniversityofHebei,Baoding,Hebei071001；2.ZhuozhouAgriculturalBureau,Zhuozhou,Hebei072750

Keywords:

solargreenhouse; moderngreenhouse; intensiveseedling; temperature; airhumidity

PACS:

S626

DOI:

-

Abstract:

InHebeiZhuozhouarea,twokindsofgreenhouse(moderngreenhouseandsolargreenhouse)werecompared,temperature,airhumidityandcostoftwodifferentgreenhousesinintensiveseedlinginsummertimewerestudied.Theresultsshowedthatdailymaximumtemperaturewasbelow31℃insolargreenhouseandbelow30℃inmoderngreenhousefromJuly24toAugust31,2012.Therewasnodifferenceindailymaximumtemperaturebetweentwogreenhousesduringthefirstten-dayperiodofSeptember.Sincemid-September,dailymaximumtemperaturedecreasedtoalowlevelof16.4～25.3℃insolargreenhouseand15.7～23.5℃inmoderngreenhouse.Thedailyminimumtemperatureshowedsamedecliningcurveintwogreenhouses.Butitwas1～2℃higherinsolargreenhousethanthatinmoderngreenhousesincelateSeptember.ToOctober11,thedailyminimumtemperaturedecreasedto12.5℃insolargreenhouseand11℃inmoderngreenhouse.Theairhumidityinsolargreenhousewashigherbeforemid-Septemberandlowersincemid-Septemberthanthatinmoderngreenhouse.Constructioncostandelectricitycostperseedlingareainsolargreenhousewasonly27.9%and49.0%ofthatinmoderngreenhouse.Butthelandutilizationefficiencyofsolargreenhousewas49.6%ofmoderngreenhouse.

References:

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Memo

Memo:

-

Common functions

Last Update: 2014-09-11