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Gases with a mixing ratio of less than one percent in the lower atmosphere (i.e. the troposphere) are considered as trace gases. Numerous of these trace gases originate from biological processes in marine and terrestrial ecosystems. These gases are of relevance for the climate as they contribute to global warming or to the troposphere’s chemical reactive system that builds the ozone layer or they impact on the stability of aerosols, greenhouse, and pollutant gases. These reactive trace gases include methane, a multitude of volatile organic compounds of biogenic origin (bVOCs) and inorganic gases such as nitrogen oxides or ozone. The regulatory function of microorganisms for trace gas cycling has been intensively studied for the greenhouse gases nitrous oxide and methane, but is less well understood for microorganisms that metabolize molecular hydrogen, carbon monoxide, or bVOCs. The studies compiled in this Research Topic reflect this very well. While a number of articles focus on nitrous oxide and methane or carbon monoxide oxidation, only a few articles address conversion processes of further bVOCs. The Research Topic is complemented by three review articles about the consumption of methane and monoterpenes, as well as the role of the phyllosphere as a particular habitat for trace gas-consuming microorganisms, and point out future research directions in the field. The presented scientific work illustrates that the field of microbial regulation of trace glas fluxes is still in its infancy when one broadens the view on gases beyond methane and nitrous oxide. However, there is a societal need to better predict global dynamics of trace gases that impact on the functionality and warming of the troposphere. Upcoming modelling approaches will need further information on process rates, features and distribution of the driving microorganisms to fulfill this demanding task.

methanotroph --- nitrous oxide --- volatile organic compounds --- bVOCs --- methane --- carbon monoxide --- phyllosphere --- trace gases --- denitrification --- methanotroph --- nitrous oxide --- volatile organic compounds --- bVOCs --- methane --- carbon monoxide --- phyllosphere --- trace gases --- denitrification

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Gases with a mixing ratio of less than one percent in the lower atmosphere (i.e. the troposphere) are considered as trace gases. Numerous of these trace gases originate from biological processes in marine and terrestrial ecosystems. These gases are of relevance for the climate as they contribute to global warming or to the troposphere’s chemical reactive system that builds the ozone layer or they impact on the stability of aerosols, greenhouse, and pollutant gases. These reactive trace gases include methane, a multitude of volatile organic compounds of biogenic origin (bVOCs) and inorganic gases such as nitrogen oxides or ozone. The regulatory function of microorganisms for trace gas cycling has been intensively studied for the greenhouse gases nitrous oxide and methane, but is less well understood for microorganisms that metabolize molecular hydrogen, carbon monoxide, or bVOCs. The studies compiled in this Research Topic reflect this very well. While a number of articles focus on nitrous oxide and methane or carbon monoxide oxidation, only a few articles address conversion processes of further bVOCs. The Research Topic is complemented by three review articles about the consumption of methane and monoterpenes, as well as the role of the phyllosphere as a particular habitat for trace gas-consuming microorganisms, and point out future research directions in the field. The presented scientific work illustrates that the field of microbial regulation of trace glas fluxes is still in its infancy when one broadens the view on gases beyond methane and nitrous oxide. However, there is a societal need to better predict global dynamics of trace gases that impact on the functionality and warming of the troposphere. Upcoming modelling approaches will need further information on process rates, features and distribution of the driving microorganisms to fulfill this demanding task.

methanotroph --- nitrous oxide --- volatile organic compounds --- bVOCs --- methane --- carbon monoxide --- phyllosphere --- trace gases --- denitrification

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Greenhouse horticulture is one of the most intensive agricultural systems, focusing on the production of high-value products. This book presents current research findings that cover a wide range of new technologies and novel agricultural practices, which are preconditions for successful production in a very competitive global environment.

Research & information: general --- Biology, life sciences --- soilless culture --- root growth --- root/shoot ratio --- Allium porrum --- organic management --- production --- sugars --- selenium --- antioxidants --- minerals --- remote sensing --- hyperspectral --- reflectance index --- classification tree --- machine vision --- accumulated radiation method --- feedback irrigation system --- fuzzy control system --- irrigation dose --- precision irrigation --- phyto-sensing --- transpiration --- water use efficiency --- Sisymbrium officinale --- Brassicaceae --- hedge mustard --- leafy vegetables --- container substrates --- physical properties --- chemical properties --- biomass --- Citrullus lanatus --- vegetable grafting --- optimal production --- marketable seedlings --- quality indicators --- greenhouse --- metro-mix --- Dahlia --- Rudbeckia --- Gerbera --- abiotic factors --- biocontrol agent (BCA) --- controlled environment --- ecological theory --- molecular mechanisms --- non-phototrophic bacteria --- pathogens --- phyllosphere --- plant metabolism --- plant morphology --- semi-transparent photovoltaic modules --- hydroponics --- tomato --- bioactive ingredients --- lycopene --- antioxidant capacity --- urban agriculture --- reclaimed wastewater --- controlled environment agriculture --- soilless production --- brewery --- Brassica juncea --- Lactuca sativa --- Ocimum basilicum --- light emitting diodes --- GA3 --- extended photoperiod --- light --- protected cultivation --- vegetables --- ornamental

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Greenhouse horticulture is one of the most intensive agricultural systems, focusing on the production of high-value products. This book presents current research findings that cover a wide range of new technologies and novel agricultural practices, which are preconditions for successful production in a very competitive global environment.

Research & information: general --- Biology, life sciences --- soilless culture --- root growth --- root/shoot ratio --- Allium porrum --- organic management --- production --- sugars --- selenium --- antioxidants --- minerals --- remote sensing --- hyperspectral --- reflectance index --- classification tree --- machine vision --- accumulated radiation method --- feedback irrigation system --- fuzzy control system --- irrigation dose --- precision irrigation --- phyto-sensing --- transpiration --- water use efficiency --- Sisymbrium officinale --- Brassicaceae --- hedge mustard --- leafy vegetables --- container substrates --- physical properties --- chemical properties --- biomass --- Citrullus lanatus --- vegetable grafting --- optimal production --- marketable seedlings --- quality indicators --- greenhouse --- metro-mix --- Dahlia --- Rudbeckia --- Gerbera --- abiotic factors --- biocontrol agent (BCA) --- controlled environment --- ecological theory --- molecular mechanisms --- non-phototrophic bacteria --- pathogens --- phyllosphere --- plant metabolism --- plant morphology --- semi-transparent photovoltaic modules --- hydroponics --- tomato --- bioactive ingredients --- lycopene --- antioxidant capacity --- urban agriculture --- reclaimed wastewater --- controlled environment agriculture --- soilless production --- brewery --- Brassica juncea --- Lactuca sativa --- Ocimum basilicum --- light emitting diodes --- GA3 --- extended photoperiod --- light --- protected cultivation --- vegetables --- ornamental --- soilless culture --- root growth --- root/shoot ratio --- Allium porrum --- organic management --- production --- sugars --- selenium --- antioxidants --- minerals --- remote sensing --- hyperspectral --- reflectance index --- classification tree --- machine vision --- accumulated radiation method --- feedback irrigation system --- fuzzy control system --- irrigation dose --- precision irrigation --- phyto-sensing --- transpiration --- water use efficiency --- Sisymbrium officinale --- Brassicaceae --- hedge mustard --- leafy vegetables --- container substrates --- physical properties --- chemical properties --- biomass --- Citrullus lanatus --- vegetable grafting --- optimal production --- marketable seedlings --- quality indicators --- greenhouse --- metro-mix --- Dahlia --- Rudbeckia --- Gerbera --- abiotic factors --- biocontrol agent (BCA) --- controlled environment --- ecological theory --- molecular mechanisms --- non-phototrophic bacteria --- pathogens --- phyllosphere --- plant metabolism --- plant morphology --- semi-transparent photovoltaic modules --- hydroponics --- tomato --- bioactive ingredients --- lycopene --- antioxidant capacity --- urban agriculture --- reclaimed wastewater --- controlled environment agriculture --- soilless production --- brewery --- Brassica juncea --- Lactuca sativa --- Ocimum basilicum --- light emitting diodes --- GA3 --- extended photoperiod --- light --- protected cultivation --- vegetables --- ornamental