Tillage effects on the dynamics of total and corn-residue-derived soil organic matter in two southern Ontario soils

Wanniarachchi, S. D.; Voroney, R. P.; Vyn, Tony J.; Beyaert, Ronald P.; MacKenzie, A. F.

doi:10.4141/s97-096

Cited by 73 publications

(46 citation statements)

References 30 publications

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“…Studies have shown that manure application increased SOC and nutrient status in the soil (Webster and Goulding, 1989;Collins et al, 1992;Rochett e and Gregorich, 1998) and labile carbon pools (Aoyama et al, 1999;Mikha and Rice, 2004). Total corn rootderived C (C in root biomass plus that in rhizodeposition) contributes from 1.5 times to more than 3 times more C to SOC than shoot-derived C (Balesdent and Balabane, 1996;Wanniarachchi et al, 1999;Wilts et al, 2004;Hooker et al, 2005). Hooker et al (2005) att ributed the diff erence to dissimilar C cycling rates of shoot and root material.…”

Section: Biomass and Bioenergy Concernsmentioning

confidence: 99%

Challenging Balance between Productivity and Environmental Quality: Tillage Impacts

Reicosky

Hatfield

2015

Soil Management: Building a Stable Base for Agriculture

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Section: Biomass and Bioenergy Concernsmentioning

confidence: 99%

Challenging Balance between Productivity and Environmental Quality: Tillage Impacts

Reicosky

Hatfield

2015

Soil Management: Building a Stable Base for Agriculture

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“…However, soil erosion and redistribution over a prolonged period can also affect SOC storage under NT. VandenBygaart et al (2002) concluded that soils that had lost SOC through soil erosion had a high potential to gain SOC when converted Campbell et al (1996a) (1), Campbell et al (1996b) (2), Campbell et al (1995a) (3), Larney et al (1997) (4), Nyborg, et al (1995) (5), Campbell et al (2001a) (6), Grant and Lafond (1994) (7), McConkey et al (2003) (8), Hao et al (2001) (9), Elliott and Efetha (1999) (10), Doormar and Carefoot (1998) (11), Franzluebbers and Arshad (1996) (12), Carter (1996) (13), Yang and Kay, (2001a) (14), Wanniarachchi et al, (1999) (15), VandenBygaart et al (2002) (16), Carter et al (2002) (17), Carter and Sanderson 2001 (18), Angers, et al (1997) (19), Carter and Kunelius 1986 (20), Angers et al 1995 (21), Winter et al 1990 (22), Yang and Kay (2001b) (23).…”

Section: Tillage Management and C Storagementioning

confidence: 99%

“…Outliers removed from Yang and Kay (2001b). Data from Carter and Kunelius (1986), Winter et al (1990), Angers et al (1993aAngers et al ( , 1995Angers et al ( , 1997, Grant and Lafond (1994), Campbell et al (1995aCampbell et al ( , 1996aCampbell et al ( , b, 2001a, Nyborg et al (1995), Carter (1996, Franzluebbers and Arshad (1996), Larney et al (1997), Carefoot (1998), Miller et al (1999), Wanniarachchi et al (1999) achieved, although at low rates, in wheat-fallow systems converted to NT in cool, semi-arid climates such as those in the Canadian Prairies (Table 4).…”

Section: Tillage Management and C Storagementioning

confidence: 99%

“…Gregorich et al (2001) found that SOC below the -6,15,17,19, 21,22 z Derived by linear regression as the slope between SOC in management treatment versus the SOC in the control treatment and forced through zero. y Campbell et al (1996a) (1), Campbell et al (1996b) (2), Campbell et al (1995a) (3), Larney et al (1997) (4), Nyborg, et al (1995) (5), Campbell et al (2001a) (6), Grant and Lafond (1994) (7), McConkey et al (2003) (8), Hao et al (2001) (9), Miller et al (1999) (10), Dormaar and Carefoot (1998) (11), Franzluebbers and Arshad (1996) (12), Carter (1996) (13), Yang and Kay (2001a) (14), Wanniarachchi et al (1999) (15), VandenBygaart et al (2002) (16), Carter et al (2002) (17), Carter and Sanderson (2001) (18), Angers, et al (1997) (19), Carter and Kunelius (1986) (20), Angers et al (1995) (21), Winter et al (1990) (22), …”

Section: Crop Management and C Storagementioning

confidence: 99%

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Influence of agricultural management on soil organic carbon: A compendium and assessment of Canadian studies

VandenBygaart¹,

Gregorich²,

Angers³

2003

Can. J. Soil. Sci.

312

163

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. 2003. Influence of agricultural management on soil organic carbon: A compendium and assessment of Canadian studies. Can. J. Soil Sci. 83: 363-380. To fulfill commitments under the Kyoto Protocol, Canada is required to provide verifiable estimates and uncertainties for soil organic carbon (SOC) stocks, and for changes in those stocks over time. Estimates and uncertainties for agricultural soils can be derived from long-term studies that have measured differences in SOC between different management practices. We compiled published data from long-term studies in Canada to assess the effect of agricultural management on SOC. A total of 62 studies were compiled, in which the difference in SOC was determined for conversion from native land to cropland, and for different tillage, crop rotation and fertilizer management practices. There was a loss of 24 ± 6% of the SOC after native land was converted to agricultural land. No-till (NT) increased the storage of SOC in western Canada by 2.9 ± 1.3 Mg ha -1 ; however, in eastern Canada conversion to NT did not increase SOC. In general, the potential to store SOC when NT was adopted decreased with increasing background levels of SOC. Using no-tillage, reducing summer fallow, including hay in rotation with wheat (Triticum aestivum L.), plowing green manures into the soil, and applying N and organic fertilizers were the practices that tended to show the most consistent increases in SOC storage. By relating treatment SOC levels to those in the control treatments, SOC stock change factors and their levels of uncertainty were derived for use in empirical models, such as the United Nations Intergovernmental Panel on Climate Change (IPCC) Guidelines model for C stock changes. However, we must be careful when attempting to extrapolate research plot data to farmers' fields since the history of soil and crop management has a significant influence on existing and future SOC stocks.

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“…Furthermore, distribution of SOM within the plow layer is influenced by tillage practice. For example, Wanniarachchi et al (1999) found that minimum tillage and NT increased corn-derived C in the surface layer (0-5 cm) over that with CT. Similar results have been reported by Angers et al (1995), McCarty et al (1998) and Yang and Wander (1999).…”

mentioning

confidence: 99%

Influence of tillage practice on carbon sequestration is scale-dependent

Bergstrom¹,

Monreal²,

Étamé³

2001

Can. J. Soil. Sci.

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. 2001. Influence of tillage practice on carbon sequestration is scaledependent. Can. J. Soil Sci. 81: 63-70. While the influence of management practices on soil organic C (OC) concentration and mass has been evaluated for the surface layer of small plots of homogeneous soils, there are few studies at a scale inclusive of the entire solum and heterogeneous soils. The objective of this study was to test for an interaction between tillage practice [no-till (NT) vs. conventional tillage (CT) by chisel-plow] and topography as determinants of OC stocks in the entire solum and layers thereof at a field-scale. Adjacent fields of contrasting tillage practice were stratified by soil series and drainage class for comparison. The effect of tillage practice on OC mass was contingent on slope position and sampling depth, i.e., scale-dependent. There was more OC in the surface layer (0-8 cm) of the A horizon of the NT than the CT field at well-drained upper slope positions, but not at imperfectly drained lower slope positions. At lower slope positions there was more OC in the entire A horizon of the CT than the NT field. Results of small-plot studies with homogeneous soils cannot be extrapolated arbitrarily to larger scales. Rather, assessments at larger scales that encompass heterogeneous soils are required. Bien qu'on ait déterminé quelle influence les pratiques culturales ont sur la concentration et sur la masse de carbone organique (CO) dans la couche superficielle de petites parcelles au sol homogène, on ne s'est pas beaucoup intéressé aux effets de telles pratiques sur le solum ni sur les sols hétérogènes. La présente étude devait établir si les pratiques de labour [non-travail du sol (NT) et travail du sol classique (TC) au cultivateur lourd] et la topographie interagissent et déterminent la réserve totale de CO dans le solum et ses différentes couches pour l'ensemble du champ. Les terres adjacentes, qui faisaient l'objet de pratiques culturales contrastantes, ont été stratifiées par série de sols et classe de drainage afin de faciliter la comparaison. Les effets du type de travail du sol sur la masse de CO dépendent de la position de la pente et de la profondeur de l'échantillonnage, donc de l'échelle. En effet, on trouve plus de CO dans la couche de surface (0 à 8 cm) de l'horizon A des champs NT que des champs TC aux endroits mieux drainés de la pente, en hauteur, mais pas aux endroits plus bas, moins bien drainés. Il y avait plus de CO dans tout l'horizon A du champ TC que du champ NT à la base de la pente. Les résultats des études effectuées sur de petites parcelles à sol homogène ne peuvent simplement être extrapolés à l'échelle supérieure. Il est préférable de procéder à une évaluation à plus grande échelle englobant des sols hétérogènes.

show abstract

Tillage effects on the dynamics of total and corn-residue-derived soil organic matter in two southern Ontario soils

Cited by 73 publications

References 30 publications

Challenging Balance between Productivity and Environmental Quality: Tillage Impacts

Challenging Balance between Productivity and Environmental Quality: Tillage Impacts

Influence of agricultural management on soil organic carbon: A compendium and assessment of Canadian studies

Influence of tillage practice on carbon sequestration is scale-dependent

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