Mitigation of Greenhouse Gas Emissions  from Tropical Soils Amended with  Poultry Manure and Sugar Cane  Straw Biochars

Novais, Sarah Vieira; Zenero, Mariana Delgado Oliveira; Frade, Elizio Ferreira; Lima, Renato Paiva de; Cerri, Carlos Eduardo Pellegrino

doi:10.4236/as.2017.89065

Cited by 5 publications

(7 citation statements)

References 35 publications

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“…In the presence of AMF, slightly higher emissions were also observed, after all, the stability of the biochar and its interaction with the soil biota, varied according to the raw material of the biochar, the production method, and the pyrolysis temperature (Ameloot et al., 2013). These results corroborate studies that indicate that vegetable and poultry industry residues, before being transformed into biochar, will emit more GHG compared to the same pyrolyzed material and the natural emission of the soil (Agyarko‐Mintah et al., 2017; Novais, Zenero, Frade Junior, Lima & Cerri, 2017; Novais, Zenero, Tronto, Conz & Cerri, 2018).…”

Section: Discussionsupporting

confidence: 87%

“…The experiment was conducted in a greenhouse, with maize cultivation, consisting of the following treatments: (CONTROL) soil, doses of 10 Mg ha –1 of poultry manure (BPM) and sugarcane straw biochar (BCS) produced at 650 °C, doses of 200 mg dm –3 of P, in the form of KH 2 PO 4 , absorbed in the biochar, following the same protocol as Novais, Zenero, Frade Junior, Lima & Cerri (2017), presence and absence of AMF of the species Glomus clarum . The form of P used was chosen, simulating the reuse of biochar from eutrophic waters (Novais, Zenero, Tronto, Conz & Cerri, 2018).…”

Section: Methodsmentioning

confidence: 99%

“…The average gas concentrations were used to calculate the daily fluxes and the accumulated fluxes, both of which were subjected to a second‐order polynomial adjustment (gas concentration vs. time), as proposed by Hao, Chang, Larney and Travis (2001). Flux at zero time (empty flasks) was calculated using second‐order derived equations and expressed per gram of C or N per unit area (m 2 ) or per unit time (h) (Novais, Zenero, Frade Junior, Lima & Cerri, 2017).…”

Section: Methodsmentioning

confidence: 99%

“…Sugarcane straw was collected in an industrial production area for sugar, ethanol, and energy in Piracicaba/SP, and poultry manure was collected in an industrial farm located in Monte Mor/SP. Chemical characterizations of these materials were previously described in Novais, Zenero, Frade Junior, Lima & Cerri (2017).…”

Section: Methodsmentioning

confidence: 99%

“…Rather than allowing the plant material to decompose and emit CO 2 and CH 4 , pyrolysis transforms approximately half of the C stored in plant tissue into a stable, inactive form of C (Mia et al., 2018). Chemical, physical, and biological improvements to the soil are being scientifically approved, proving increased productivity and reduced GHG emissions (Andrés et al., 2019; Jeffery et al., 2015; Novais, Zenero, Frade Junior, Lima & Cerri, 2017; Oziegbe, Aladesanmi &Awotoye, 2019; Wang et al., 2016).…”

Section: Introductionmentioning

confidence: 99%

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Short‐term biochar effects on greenhouse gas emissions and phosphorus availability for maize

Zenero¹,

Novais²,

Balboni³

et al. 2021

Agrosystems Geosci & Env

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Due to environmental issues, many methods of exploiting renewable natural resources are alternatives to reduce the dependence on non‐renewable agricultural inputs. Phosphate fertilization on weathered tropical soil and waste reuse, for example, requires better management strategies. Thus, biochar from organic residues can be a strategy to reduce pressure on natural resources, in addition to having the potential to mitigate climate change. This study aimed to evaluate the availability of P in tropical soils from the interaction of biochar and arbuscular mycorrhizal fungi (AMF) in the aboveground and root systems of the plant and its impact on greenhouse gas (GHG) emissions. The results indicated that the addition of biochar was an alternative for C sequestration and GHG mitigation, causing no damage to the plant. The applied biochar amount had, for the most part, emission equal to or less than the control treatment (soil only). The sugarcane straw biochar (BCS) showed higher emissions, mainly in the presence of P and AMF. Biologically speaking, there was no significant effect in the presence of mycorrhizae. However, with regard to plant production, treatments where mycorrhizae were inoculated, longer and wider leaves were found. In the production of maize (Zea mays L.) plant material (aboveground and root), the upper and lower values were related to the poultry manure biochar (BPM) , and the presence of P, the values were lower, indicating that, for the good development of the plant, only the presence of the biochar is sufficient, without requiring the addition of phosphate fertilizer.

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Section: Discussionsupporting

confidence: 87%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Short‐term biochar effects on greenhouse gas emissions and phosphorus availability for maize

Zenero¹,

Novais²,

Balboni³

et al. 2021

Agrosystems Geosci & Env

View full text Add to dashboard Cite

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Life cycle assessment of bio-based fertilizers production systems: where are we and where should we be heading?

Egas

Azarkamand

Casals

et al. 2023

Int J Life Cycle Assess

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Purpose Despite the industrial and scientific acceptance of life cycle assessment (LCA) to determine the environmental performance of products, none of the existing information on LCA provides explicit and clear recommendations on how to apply it when evaluating bio-based fertilizer (BBF) production systems. This situation affects the reliability of the results and causes confusion among practitioners, technology developers, and other stakeholders. Here, we first present the practitioners’ current LCA methodological choices and then discuss the extent to which LCA standards and guidelines are correctly applied. This review intends to identify LCA methodological application hotspots towards the definition of consensual LCA methodological choices for BBFs. Method LCA studies for BBF production systems were reviewed together with currently available LCA standards and guidelines to define which LCA methodological options are adopted by LCA practitioners in the first place, and then to determine whether these options are within the framework of existing LCA standards and guidelines. The results obtained are presented and discussed to finally debate and evidence the need for consensual LCA methodological choices for BBFs. Results and discussion A total of 48 documents were reviewed between LCA standards and guidelines (8) and studies (40). Most of the reviewed studies state that BBFs are the main product of the system (30), while the remaining ones state them as secondary products. Although the standards and guidelines statements are interrelated, it is challenging to follow their recommendations when applied in studies evaluating BBF production. For instance, LCA studies do not clearly define the studies’ promotor, motivation, and specific research question which leads to a lack of justification regarding the taken choice between attributional or consequential LCA. Therefore, the next LCA methodological choices such as functional unit, allocation criteria, biogenic carbon management, and end-of-life status of feedstock, are not justified. Conclusion It has been evidenced that the lack of consensual LCA methodological choices is affecting the proper use of the LCA by practitioners that aim to assess BBFs production systems. Thus, it shall be imperative for researchers and technology developers to work on the definition of common LCA methodological choices. This study has concluded that more guidance on the process of defining the study’s promotor, motivation, and specific research question is highly needed by practitioners since this would lead to the definition of common goals and scopes, first, and then, set the path to define standard LCA methodological choices.

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Life cycle assessment of greenhouse gas emissions and carbon mitigation methods in probiotic-fed broiler production

Chin,

Tee,

Tan

2024

Anim. Prod. Sci.

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Context Livestock production contributes significantly to global anthropogenic greenhouse gas emissions. Probiotic-fed broiler production has been shown to reduce greenhouse emissions in other nations significantly, however, outcomes in Malaysia are unknown. Aims This study assesses the total greenhouse emissions of probiotic-fed broiler production from cradle to farm-gate using an accredited Life Cycle Assessment (LCA) tool, Greenhouse Accounting Framework (GAF). It determines the hotspot of greenhouse emissions and emission intensity of the farm in kg CO2-eq/kg liveweight. Three types of mitigation methods, i.e. selling untreated manure, composting, and conversion into biochar, were compared to identify their effectiveness. Methods The research involves three broiler houses with one production cycle. Fifty-four gas samples and 90 poultry litter samples were collected throughout the production cycle and analysed for the targeted gases – i.e. carbon dioxide, methane, nitrogen and volatile solid composition. Analysis results were used to estimate total greenhouse emissions from the farm using the LCA-GAF model. The mitigation efficiency achieved by selling untreated manure, composting, and biochar production is assessed by estimating the carbon stock mass. Key results A new LCA model based on probiotic-fed broiler production was generated, specifically using data obtained from the experiment. The experimental results indicated that energy consumption, i.e. electricity and fuel, have the highest greenhouse emissions (44%), followed by feed production with 40% of the total 53.51 t CO2-eq/house/cycle in the probiotic-fed broiler farm. The emissions intensity of the farm is 1.57 kg CO2-eq/kg liveweight. Estimates of the mitigation efficiency were compared among untreated manure, biochar, and compost. Conclusions Energy consumption, particularly electricity and fuel, contributed the highest greenhouse emissions in the probiotic-fed broiler production. The strategy of selling untreated poultry litter was the most effective carbon mitigation method. However, due to its adverse environmental and human health impacts, converting poultry litter into biochar is the preferable mitigation option. Implications This study is profound for the poultry industry and environmental sustainability. It highlights the crucial role of energy consumption in greenhouse emissions from the probiotic-fed broiler farm, and the necessity of addressing the environmental impacts. Implementing sustainable agricultural practices could lead to more ecological poultry production, contributing to global efforts in climate change mitigation.

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Mitigation of Greenhouse Gas Emissions from Tropical Soils Amended with Poultry Manure and Sugar Cane Straw Biochars

Cited by 5 publications

References 35 publications

Short‐term biochar effects on greenhouse gas emissions and phosphorus availability for maize

Short‐term biochar effects on greenhouse gas emissions and phosphorus availability for maize

Life cycle assessment of bio-based fertilizers production systems: where are we and where should we be heading?

Life cycle assessment of greenhouse gas emissions and carbon mitigation methods in probiotic-fed broiler production

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