Effects of biochar application on soil methane emission at different soil moisture levels

Yu, Liuqian; Tang, Jia; Zhang, Renduo; Wu, Qi-Zhen; Gong, Mimi

doi:10.1007/s00374-012-0703-4

Cited by 131 publications

(70 citation statements)

References 40 publications

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“…Two different types of biomass feedstock (fresh dairy manure and pine tree woodchip) were used for biochar production following the procedure of Yu et al (2013). Briefly, after airdrying and crushing, each of the feedstocks was filled into crucibles sealed with lids to prevent oxygen from entering, and then pyrolysed in a muffle furnace, heating at a rate of 108C min -1 and holding for 1 h at 300, 500, or 7008C.…”

Section: Production Of Biocharmentioning

confidence: 99%

“…Biochar pH was measured using a pH probe with a 1 : 2.5 (w/w) suspension of biochar in deionised water (Luo et al 2011). Water-extractable concentrations of NO 3 -were measured with an ion chromatograph (DX-600; Dionex Corp., Sunnyvale, CA, USA) following Yu et al (2013). The initial dissolved organic C (DOC) of biochars was determined with the method of Bruun et al (2012).…”

Section: Production Of Biocharmentioning

confidence: 99%

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Effects of amendment of different biochars on soil carbon mineralisation and sequestration

Ouyang

Zhang

2014

Soil Res.

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Abstract. The aim of this study was to determine the impact of addition of different biochars on soil carbon mineralisation and sequestration. Different biochars were produced from two types of feedstock, fresh dairy manure and pine tree woodchip, each of which was pyrolysed at 300, 500, and 7008C. Each biochar was mixed at 5% (w/w) with a forest loamy soil and the mixture was incubated at 258C for 180 days, during which soil physicochemical properties and soil carbon mineralisation were measured. Results showed that the biochar addition increased soil carbon mineralisation at the early stage (within the first 15 days) because biochar brought available organic carbon to the soil and changed associated soil properties, such increasing soil pH and microbial activity. The largest increase in soil carbon mineralisation at the beginning of incubation was induced by the dairy manure biochar pyrolysed at 3008C. Soil carbon mineralisation was enhanced more significantly by the dairy manure biochars than by the woodchip biochars, and the enhancement effect decreased with increasing pyrolysis temperature. Although the biochar addition induced increased soil carbon mineralisation at the beginning of the incubation, soil carbon mineralisation rates decreased sharply within a short time (within 15 days) and then remained very low afterwards. Carbon mineralisation kinetic modelling indicated that the stable organic matter in biochars could be sequestrated in soil for a long time and resulted in high levels of carbon sequestration, especially for the woodchip biochars pyrolysed from higher temperatures.

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Section: Production Of Biocharmentioning

confidence: 99%

Section: Production Of Biocharmentioning

confidence: 99%

Effects of amendment of different biochars on soil carbon mineralisation and sequestration

Ouyang

Zhang

2014

Soil Res.

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“…Several studies link both the positive and negative functional importance of soil microbial activity, particularly through soil C losses, respiration rates, denitrification and the release of N2O [42,74,78,[124][125][126][127]. Soil microbial status and function will likely change in response to environmental variables like soil water content which influences oxygen tensions and the capacity of the soil micro-organisms to oxidise SOM, as well as those linked to nutrient availability, mineralisation and leaching [103,108,[129][130][131].…”

Section: The Evidence For Biochar Increasing Soil Water Availabilitymentioning

confidence: 99%

Biochar: an improver of nutrient and soil water availability - what is the evidence?

Scott¹,

Ponsonby²,

Atkinson

2014

CABI Reviews

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Keywords: Biochar nutrient availability water availability soil fertility water holding capacity Methodology CAB Abstracts and Science Direct (keywords biochar, nutrients, water) along with sources at the University of Greenwich were searched to obtain up to date research papers. Personal collections of the corresponding author were obtained from various sources over the past 5 years were also used.This material has been published in CAB Reviews (2014) AbstractBiochar has consistently been proposed as a way of improving soil fertility by increasing nutrient and soil water availability. This review critically investigates recent literature, focussing particularly on these agronomic aspects of biochar. We clarify the differences between biochar made from plant (plant derived biochar, PDB) and animal feedstock (animal derived biochar, ADB) and show how pyrolysis temperature affects biochar properties. We also tabulate crop yield data against production variables using recent field and greenhouse studies. We find evidence to suggest that ADB supplies many more nutrients than PDB and that, in general, biochar can improve nutrient availability indirectly through changes in pH, CEC, soil structure, improved fertiliser efficiency, decreased nutrient leaching and may effect nutrient availability by changing nitrogenous gas release and by changing the soil microbial community, which under some circumstances translates into short term, increased crop yield. Few studies however show complete nutrient, especially N budgets and elaborate on the underlying mechanisms of interaction, especially with regards to microbial induced changes. Also the longevity of the different beneficial effects is questionable as most studies are less than a year long.A synopsis of the literature concludes that biochar application promotes soil water availability, particularly in soils which are degraded or of low quality. Despite this conclusion it is hard to find studies that have adopted methodologies which are fully appropriate to support this notion such as available water capacity and how this changes in response to crop uptake and soil drying. We conclude that the variability in biochar due to variable feedstock and pyrolysis process, as well as particle size and application method, necessitates and also enables production of specific purposedriven biochars to benefit particular aspects of crop production.

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“…In water-unsaturated upland soils, CH 4 absorption increased after the application of biochar by creating CH 4 oxidation-favoring environments such as enhanced soil aeration, high porosity and large surface area (Rondon et al 2006;Van Zwieten et al 2009;Karhu et al 2011;Scheer et al 2011;Yu et al 2013).…”

Section: Effects Of Rice Husk Charcoal Application On Ch 4 and N 2 O mentioning

confidence: 99%

“…Anaerobic incubations have been conducted using soils amended with RC in laboratory (Liu et al 2011;Yu et al 2013) and pot experiments (Feng et al 2012). However, to the best of our knowledge, field experiments under flooded soil conditions applied with RC have been conducted only on Gleysol and Acrisol according to the Food and Agriculture Organization of the United Nations (FAO) and the United Nations Educational, Scientific and Cultural Organization (UNESCO) system , and Aquandic Epiagualf according to the United States Department of Agriculture (USDA) soil taxonomy .…”

Section: Introductionmentioning

confidence: 99%

Increase in soil carbon sequestration using rice husk charcoal without stimulating CH₄and N₂O emissions in an Andosol paddy field in Japan

Koyama

Inazaki

Minamikawa

et al. 2015

Soil Science and Plant Nutrition

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Biochar application has been recognized as an effective option for promoting carbon (C) sequestration, but it may also affect the production and consumption of methane (CH 4 ) and nitrous oxide (N 2 O) in soil. A 1-year field experiment was conducted to investigate the effects of rice husk charcoal application on rice (Oryza sativa L.) productivity and the balance of greenhouse gas exchanges in an Andosol paddy field. The experiment compared the treatments of rice husk charcoal applied at 10, 20 and 40 Mg ha −1 (RC10, RC20 and RC40, respectively), rice husk applied at 20 Mg ha −1 (RH20), and the control (CONT). Rice straw and grain yields did not significantly differ among the treatments. The seasonal cumulative CH 4 emissions were 38-47% higher from RC10, RC20 and RC40 than from the CONT. However, the increases were not in proportion to the application rates of rice husk charcoal, and their values did not significantly differ from the CONT. On the contrary, the RH20 treatment significantly increased the cumulative CH 4 emission by 227% compared to the CONT. The N 2 O emissions during the measurement were not affected by the treatments. As a result, the combined global warming potential (GWP) of CH 4 and N 2 O emissions was significantly higher in RH20 than in the other treatments. There was a positive linear correlation between C storage in the top 10 cm of soil and the application rate of rice husk charcoal. The increases in soil C contents compared to the CONT corresponded to 98-149% of the C amounts added as rice husk charcoal and 41% of the C added as rice husk. Carbon dioxide (CO 2 ) fluxes in the off season were not significantly different among RC10, RC20, RC40 and CONT, indicating that C added as rice husk charcoal remained in the soil during the fallow period. The CO 2 equivalent balance between soil C sequestration and the combined GWP indicates that the rice husk charcoal treatments stored more C in soil than the CONT, whereas the RH20 emitted more C than the CONT. These results suggest that rice husk charcoal application will contribute to mitigating global warming without sacrificing rice yields.

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Effects of biochar application on soil methane emission at different soil moisture levels

Cited by 131 publications

References 40 publications

Effects of amendment of different biochars on soil carbon mineralisation and sequestration

Effects of amendment of different biochars on soil carbon mineralisation and sequestration

Biochar: an improver of nutrient and soil water availability - what is the evidence?

Increase in soil carbon sequestration using rice husk charcoal without stimulating CH₄and N₂O emissions in an Andosol paddy field in Japan

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Effects of biochar application on soil methane emission at different soil moisture levels

Cited by 131 publications

References 40 publications

Effects of amendment of different biochars on soil carbon mineralisation and sequestration

Effects of amendment of different biochars on soil carbon mineralisation and sequestration

Biochar: an improver of nutrient and soil water availability - what is the evidence?

Increase in soil carbon sequestration using rice husk charcoal without stimulating CH4and N2O emissions in an Andosol paddy field in Japan

Contact Info

Product

Resources

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Increase in soil carbon sequestration using rice husk charcoal without stimulating CH₄and N₂O emissions in an Andosol paddy field in Japan