Greenhouse Cooling for Production of Peppers Under Hot-Humid Summer Conditions in a High-Roof Passively-Ventilated Greenhouse

Cantliffe, Daniel J.; Saha, Shubin; Shaw, Nicole L.; Gruda, Nazim

doi:10.17660/actahortic.2007.761.3

Cited by 2 publications

(2 citation statements)

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“…White spruce and fir bark alone or mixed with low-grade peat showed high potential for greenhouse tomato production and represented an environmentally sound alternative to rockwool [136]. Moreover, pine bark can be successfully used as a stand-alone substrate for the cultivation of vegetables, such as bell pepper, cucumbers, and muskmelons [137][138][139]. An economic analysis determined that pine bark was nearly one-eighth the cost of perlite and could be reused for several consecutive crops, resulting in reduced production costs and greater profits.…”

Section: Greenhouse Vegetable Productionmentioning

confidence: 99%

Increasing Sustainability of Growing Media Constituents and Stand-Alone Substrates in Soilless Culture Systems

2019

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Decreasing arable land, rising urbanization, water scarcity, and climate change exert pressure on agricultural producers. Moving from soil to soilless culture systems can improve water use efficiency, especially in closed-loop systems with a recirculating water/nutrient solution that recaptures the drain water for reuse. However, the question of alternative materials to peat and rockwool, as horticultural substrates, has become increasingly important, due to the despoiling of ecologically important peat bog areas and a pervasive waste problem. In this paper, we provide a comprehensive critical review of current developments in soilless culture, growing media, and future options of using different materials other than peat and rockwool. Apart from growing media properties and their performance from the point of view of plant production, economic and environmental factors are also important. Climate change, CO 2 emissions, and other ecological issues will determine and drive the development of soilless culture systems and the choice of growing media in the near future. Bioresources, e.g., treated and untreated waste, as well as renewable raw materials, have great potential to be used as growing media constituents and stand-alone substrates. A waste management strategy aimed at reducing, reusing, and recycling should be further and stronger applied in soilless culture systems. We concluded that the growing media of the future must be available, affordable, and sustainable and meet both quality and environmental requirements from growers and society, respectively.

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Section: Greenhouse Vegetable Productionmentioning

confidence: 99%

Increasing Sustainability of Growing Media Constituents and Stand-Alone Substrates in Soilless Culture Systems

2019

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“…While, photo-selective cover could not respond to temperature change during summer [14]. While [15], [16] revealed that the best approach to cooling GH in tropical and subtropical region is the use of ventilation and the use of material with NIR covering properties. The effects of different covering materials on sunlight penetration in GH for cultivation of aborigine were investigated, penetration of solar radiation through single and double layers of polyethylene films on production of the crop.…”

Section: Greenhouse (Gh) Covering Materialsmentioning

confidence: 98%

Design of A New Greenhouse Configuration Utilizing Semi-Transport Photovoltaic (PV)

Mohammed¹,

Andrew²

2022

IJLTEMAS

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A review of different configuration and orientation of greenhouse (GH) were conducted, the use of different types of cover and solar energy transmissivity into the GH were also presented. This study presents, a new configuration of (GH) implementing the use of semi-transparent photovoltaic (STPV) as cover to improve the performance of GH, for agricultural purposes and power generation. In this work, the solar energy intercepted by the GH cover and the extended hangout is calculated. The total energy available for conversion into electric energy was also calculated. The STPV allows photosynthetic active radiation (PAR) to pass into the GH cavity while the higher wavelength is collected and converted into electric energy. The solar energy intercepted by the STPV roof cover is 69335.78 kWh yr-1, the total energy transmitted into the GH cavity is 68842.4544 kW yr-1. The air, plants and outside temperature varies between 27- 44% inside the GH. The electrical energy produced by the STPV roofed cover was calculated to be 21.98 kWh yr-1. The total electric energy produced from the roof covered with 100% STPV is sufficient to control the GH microclimate for conducive plants growth throughout the year.

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Greenhouse Cooling for Production of Peppers Under Hot-Humid Summer Conditions in a High-Roof Passively-Ventilated Greenhouse

Cited by 2 publications

References 0 publications

Increasing Sustainability of Growing Media Constituents and Stand-Alone Substrates in Soilless Culture Systems

Increasing Sustainability of Growing Media Constituents and Stand-Alone Substrates in Soilless Culture Systems

Design of A New Greenhouse Configuration Utilizing Semi-Transport Photovoltaic (PV)

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