A Survey of Crop Residue Burning Practices in Manitoba

Chen, Y.; Tessier, S.; Cavers, C.; Xu, Xinliang; Monero, F.

doi:10.13031/2013.18446

Cited by 30 publications

(11 citation statements)

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“…from different residue management practices. It seems that removal or burning of residues (Chen et al, 2005) and fallowing (Liang et al, 2005) are more common in North America than in Finland. On the basis of the results from the deforested sites, the IPCC default value of −29% determined for wet temperate regions (IPCC, 2003) seems a too high value to describe the change in carbon stock following forest clearance for agriculture in Finnish conditions.…”

Section: Discussionmentioning

confidence: 99%

Effects of afforestation and deforestation on boreal soil carbon stocks—Comparison of measured C stocks with Yasso07 model results

Karhu

Wall²,

Vanhala

et al. 2011

Geoderma

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Section: Discussionmentioning

confidence: 99%

Effects of afforestation and deforestation on boreal soil carbon stocks—Comparison of measured C stocks with Yasso07 model results

Karhu

Wall²,

Vanhala

et al. 2011

Geoderma

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“…The magnitude of residue burning is significantly dependent on the type of residue. Flax has the highest burning ratio among all crops, since flax residue is fibrous and difficult to handle with current field equipment (Chen et al, 2005). However, FEMS only provided a value of burning ratio for each province.…”

Section: Agricultural Burningmentioning

confidence: 99%

Trends in primary particulate matter emissions from Canadian agriculture

Pattey

Qiu

2012

Journal of the Air & Waste Management Association

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Particulate matter (PM) has long been recognized as an air pollutant due to its adverse health and environmental impacts. As emission of PM from agricultural operations is an emerging air quality issue, the Agricultural Particulate Matter Emissions Indicator (APMEI) has been developed to estimate the primary PM contribution to the atmosphere from agricultural operations on Census years and to assess the impact of practices adopted to mitigate these emissions at the soil landscape polygon scale as part of the agri-environmental indicator report series produced by Agriculture and Agri-Food Canada. In the APMEI, PM emissions from animal feeding operations, wind erosion, land preparation, crop harvest, fertilizer and chemical application, grain handling, and pollen were calculated and compared for the Census years of . In this study, we present the results for PM 10 and PM 2.5 , which exclude chemical application and pollen sources as they only contribute to total suspended particles. In 2006, PM emissions from agricultural operations were estimated to be 652.6 kt for PM 10 and 158.1 kt for PM 2.5 . PM emissions from wind erosion and land preparation account for most of PM emissions from agricultural operations in Canada, contributing 82% of PM 10 and 76% of PM 2.5 in 2006. Results from the APMEI show a strong reduction in PM emissions from agricultural operations between 1981 and 2006, with a decrease of 40% (442.8 kt) for PM 10 and 47% (137.7 kt) for PM 2.5 . This emission reduction is mainly attributed to the adoption of conservation tillage and no-till practices and the reduction in the area of summerfallow land.Implications: Increasing sustainability in agriculture often means adapting management practices to have a beneficial impact on the environment while maintaining or increasing production and economic benefits. We developed an inventory of primary PM emissions from agriculture in Canada to better quantify the apportionment, spatial distribution, and trends for Census years 1981-2006. We found major reductions of 40% in PM 10 and 47% in PM 2.5 emissions over the 25-yr period as a co-benefit of increasing carbon sequestration in agricultural soils. Indeed, farmers adopted conservation tillage/no-till practices, increased usage of cover crops, and reduced summerfallow, in order to increase soil organic matter and reduce carbon dioxide emissions, which also reduced primary PM emissions, although the agricultural production increased over the period.

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“…Burning crop residue has long been considered to be effective in reducing disease inoculum in cereal crops . However, due to the sparseness of standing canola residue the ability to burn canola residue is limited, resulting in inadequate temperatures and temperature durations required to kill S. sclerotiorum sclerotia .…”

Section: Introductionmentioning

confidence: 99%

“…Burning crop residue has long been considered to be effective in reducing disease inoculum in cereal crops. 19,20 However, due to the sparseness of standing canola residue the ability to burn canola residue is limited, resulting in inadequate temperatures and temperature durations required to kill S. sclerotiorum sclerotia. 21 Methods to increase residue loads such as residue raking have been assessed; however, these techniques can be ineffective as sclerotia become dislodged and enter the soil when canola residue is disturbed.…”

Section: Introductionmentioning

confidence: 99%