CLIMATE VARIATIONS IN GREENHOUSE CULTIVATED WITH GERBERA AND RELATIONSHIP WITH EXTERNAL CONDITIONS

被引：10

作者：

de Andrade Junior, Aderson S. ^{[1
]}

Damasceno, Lisanea M. O. ^{[2
]}

Dias, Nildo da S. ^{[3
]}

Gheyi, Hans R. ^{[4
]}

Guiselini, Cristiane ^{[5
]}

机构：

[1] Embrapa Meio N, Teresina, PI, Brazil

[2] Inst Meio Ambiente & Recursos Hidr Dist Fed IBRAM, Brasilia, DF, Brazil

[3] Univ Fed Rural Semi Arido, Depto Ciencias Ambientais & Tecnol, Mossoro, RN, Brazil

[4] Univ Fed Reconcavo Bahia, Nucleo Engn Agua & Solo, CAPES, Cruz das Almas, BA, Brazil

[5] Univ Fed Rural Pernambuco, Area Construcoes Rurais & Ambiencia, Dept Tecnol Rural, Recife, PE, Brazil

来源：

ENGENHARIA AGRICOLA | 2011年 / 31卷 / 05期

关键词：

meteorology; meteorological elements; floriculture; Gerbera jamesonii; MAXIMUM EVAPOTRANSPIRATION; PLASTIC GREENHOUSE; SOLAR-RADIATION; SWEET-PEPPER; TEMPERATURE;

D O I：

10.1590/S0100-69162011000500003

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Black meshes used in greenhouses provide shade to plants, affecting photosynthesis and presenting certain properties that change the microclimatic conditions in these environments. The objective of this study was to evaluate the variation in climate elements in greenhouse cultivated with gerbera (Gerbera jamesonii, Vr. Rambo) in relation to external conditions and the reference evapotranspiration (ETo) at Teresina, State of Piau, Brazil. The measurements were obtained from July to October 2007 by an automatic data acquisition system installed inside and outside the greenhouse. The global solar radiation, evapotranspiration, precipitation, temperature, relative humidity, and wind speed were estimated. The results showed that major effect of the shading occurred on the mean air temperature during the 120 days, making it higher than the external environment. Inside the greenhouse, mean values of relative air humidity, reference evapotranspiracao, global solar radiation and wind speed were lower compared to those outside the greenhouse.

引用

页码：857 / 867

页数：11

共 23 条

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