Evaluating the ability of current energy use assessment methods to study contrasting livestock production systems

Vigne, Mathieu; Vayssières, Jonathan; Lecomte, Philippe; Peyraud, Jean‐Louis

doi:10.1016/j.jenvman.2012.07.017

Cited by 13 publications

(30 citation statements)

References 189 publications

(100 reference statements)

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“…The energy transactions in a basic EA framework perform the flow of resources for each component of eco-agriculture system as a producer. EA uses a onestep conversion procedure to transform physical units of energy inputs of the system via conversion factors (called "energy coefficients") into total fossil energy [5]. According to Taheri et al [23] the higher the temperature in the system process, the smaller the exergy destruction; hence, an energy efficiency evaluation would not be much different compared to the evaluation of exergy efficiency.…”

Section: ð2þmentioning

confidence: 99%

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Energy efficiency in an integrated agro-ecosystem within an acidic soil area of the Mekong Delta, Vietnam

et al. 2020

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Background Both exergy and energy analysis methodologies are used for analysing energy efficiencies in various processes, including agriculture. This study focuses on the connection of three main process components (husbandry-crop-fishpond) in a typical farming household located within an acid soil region of rural Vietnam. The concept of exergy analysis is used to underline the potential for resource efficiency in alternative processes in the agricultural system. For development of an integrated ecological system aiming towards zero emissions, the analytical methods of material cycles and energy flows utilized a set of indicators of resource efficiency in a sustainable agriculture. Results The design of the ideal integrated farming system “Agro-Industrial Zero Emissions Systems” (AIZES) can increase the system efficiency by making use of indigenous natural materials and waste reuse/recycling. Recycling waste produce energy, fish feed and fertilizer can result in a decreased environmental load of approximately half. Using exergy analysis to calculate an indicator non-renewable yield ratio (NRYR), the systems verified sustainability of agriculture production. Conclusions The farming household will be able to subsidize their fuel and electricity consumption by utilizing biogas. Surplus biogas will be distributed to proximate households, further creating sustainable goals. Biochar, created by mixing the biomass residues with local plants, will improve soil quality and pig sludge, mixed with biomass residue, will create high-quality fertilizer.

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Section: ð2þmentioning

confidence: 99%

“…Vigne et al collected many references of diverse agricultural systems to assess the energy use [5]. The review shows that production of livestock is usually much less energy efficient than fruit or crop production.…”

Section: Introductionmentioning

confidence: 99%

Energy efficiency in an integrated agro-ecosystem within an acidic soil area of the Mekong Delta, Vietnam

et al. 2020

View full text Add to dashboard Cite

show abstract

“…The energy transactions in a basic EA framework perform the flow of resources for each component of eco-agriculture system as a producer. EA uses a one-step conversion procedure to transform physical units of energy inputs of the system via conversion factors (called "energy coefficients") into total fossil energy [5]. According to Taheri et al [23] the higher temperature in the system process, the smaller is exergy destruction, hence an energy efficiency evaluation would not be much different compared to the evaluation of exergy efficiency.…”

Section: Exergy Analysismentioning

confidence: 99%

Energy efficiency in an integrated agro-ecosystem within an acidic soil area of the Mekong delta, Vietnam

Thảo

Tung²,

Thao³

et al. 2020

Preprint

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Background: Both exergy and energy analysis methodologies are used for analysing energy efficiencies in various processes, including agriculture. This study focuses on the connection of three main process components (husbandry-crop-fishpond) in a typical farming household located within an acid soil region of rural Vietnam. The concept of exergy analysis is used to underline the potential for resource efficiency in alternative processes in the agricultural system. For development of an integrated ecological system aiming towards zero-emissions, the analytical methods of material cycles and energy flows utilized a set of indicators of resource efficiency in a sustainable agriculture.Results: The design of the ideal integrated farming system “Agro-Industrial Zero Emissions Systems” (AIZES) can increase the system efficiency by making use of indigenous natural materials and waste reuse/recycling. Recycling waste produce energy, fish feed and fertilizer can result in a decreased environmental load of approximately half. Using exergy analysis to calculate an indicator non-renewable yield ratio (NRYR), the systems verified sustainability of agriculture production.Conclusions: The farming household will be able to subsidize their fuel and electricity consumption by utilizing biogas.. Surplus biogas will be distributed to proximate households, further creating sustainable goals. Biochar, created by mixing the biomass residues with local plants, will improve soil quality and pig sludge, mixed with biomass residue, will create high-quality fertilizer.

show abstract

“…Vigne et al collected many references of diverse agricultural systems to assess the energy use [5]. The review shows that production of livestock is usually much less energy e cient than fruit or crop production.…”

Section: Introductionmentioning

confidence: 99%

Energy efficiency in an integrated agro-ecosystem at the acid soil area in Mekong delta, Vietnam

Thảo

Tung²,

Thao³

et al. 2020

Preprint

View full text Add to dashboard Cite

Background: Both exergy and energy analysis methods are used for analysing energy efficiency in all kind of processes, and can be used also in agriculture. The study focuses on the connection of the three main process components (husbandry-crop-fishpond) in a typical farming household in an acid soil region in rural Vietnam. The concept of exergy analysis is used to underline the potential for energy efficiency in alternative processes in the agricultural system. To develop an integrated ecological system towards zero-emission, the analytical methods of material cycles and energy flows use a set of indicators of resource efficiency in a sustainable agriculture.Results: The design of the ideal integrated farming system “Agro-Industrial Zero Emissions Systems” (AIZES) can increase the system efficiency by making use of indigenous natural materials and waste reuse, recycling. Recycling waste for energy, fish feed and fertilizing can result a decrease in half of environmental load. Using exergy analysis to calculate an indicator non-renewable yield ratio (NRYR), the systems imply sustainability of agriculture production.Conclusions: The farming household will be able to replace fuel and electricity resulting in energy self-sufficiency to distribute surplus biogas to surrounding households. Biochar created by mixing the biomass residues with local plants can improve soil quality. Pig sludge can become nutritious fertilizer when mixed with biomass residues. Also, utilizing biogas can reduce purchased electricity.

show abstract

Evaluating the ability of current energy use assessment methods to study contrasting livestock production systems

Cited by 13 publications

References 189 publications

Energy efficiency in an integrated agro-ecosystem within an acidic soil area of the Mekong Delta, Vietnam

Energy efficiency in an integrated agro-ecosystem within an acidic soil area of the Mekong Delta, Vietnam

Energy efficiency in an integrated agro-ecosystem within an acidic soil area of the Mekong delta, Vietnam

Energy efficiency in an integrated agro-ecosystem at the acid soil area in Mekong delta, Vietnam

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