Tillage, Nitrogen, and Cropping System Effects on Soil Carbon Sequestration

Halvorson, Ardell D.; Wienhold, Brian J.; Black, A. L.

doi:10.2136/sssaj2002.0906

Cited by 257 publications

(287 citation statements)

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“…Leaving land fallow has traditionally been included in crop rotations as a way of conserving soil water and controlling weeds (Lampurlanés et al, 2002). However, many authors report that, in some areas, leaving land fallow provides no real advantage for the following crop (López & Arrúe, 1997;Halvorson et al, 2002;Sainju et al, 2006b;López-Bellido et al, 2007); indeed, they indicate it to reduce soil water-use efficiency, accelerate soil organic matter (SOM) mineralisation, and to leave the soil vulnerable to erosion.…”

Section: Introductionmentioning

confidence: 99%

“…Biomass production is, therefore, also low, resulting in limited residue input to the soil. Increasing this input (e.g., leaving straw to mulch, continuous cropping), together with management practices that reduce soil aeration, could, however, enhance SOM accumulation Halvorson et al, 2002). However, in semiarid environments, experiments have shown that the tillage practice can affect SOM accumulation (and indeed other soil properties), the outcome is highly site-specific (Ordóñez Fernández et al, 2007;Thomas et al, 2007;Hernanz et al, 2009; Influence of tillage practices on soil biologically active organic matter content over a growing season under semiarid Mediterranean climate Sainju et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Influence of tillage practices on soil biologically active organic matter content over a growing season under semiarid Mediterranean climate

Martín‐Lammerding

Tenorio

Albarrán

et al. 2013

Span. j. agric. res.

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In semiarid areas, traditional, intensive tillage has led to the depletion of soil organic matter, which has resulted in reduced soil fertility. The aim of the present work was to evaluate the effects of different soil management systems, practised over 12 years, on soil organic carbon (SOC), nitrogen (SN) and biologically active organic matter [particulate organic matter (POM); potentially mineralisable nitrogen (PMN); microbial biomass (MB)]. A Mediterranean Alfisol, located in central Spain, was managed using combinations of conventional tillage (CT), minimum tillage (MT) or notillage (NT), plus a cropping background of either continuous wheat (WW) or a fallow/wheat/pea/barley rotation (FW). Soil was sampled at two depths on four occasions during 2006-2007. The results showed the sampling date and the cropping background to significantly affect the SOC (p < 0.0057 and p < 0.0001 respectively). Tillage practice, however, had no effect on SOC or SN. The C-and N-POM contents were significantly influenced by the date, tillage and rotation. These variables were significantly higher under NT than CT and under WW than FW. The PMN was influenced by date, tillage and rotation, while C-MB was significantly affected by tillage (p < 0.0063), but not by rotation. The NT plots accumulated 66% C-POM, 60% N-POM, 39% PMN and 84% C-MB more than the CT plots. After more than 12 years, the benefits of conservation practices were found in the considered soil properties, mainly under no tillage. In order to obtain a consistent data set to predict soil biological status, it is necessary further study over time.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of tillage practices on soil biologically active organic matter content over a growing season under semiarid Mediterranean climate

Martín‐Lammerding

Tenorio

Albarrán

et al. 2013

Span. j. agric. res.

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“…Straw incorporation, which supplied more decomposable carbon, hastened the drop in redox potential, sharply increased CH 4 production and resulted in higher GWP. In addition, application of N influenced CH 4 and N 2 O emissions and enhanced GWP; however, CH 4 could also be more impacted by temperature and organic matter content of soil, crop growth stages and water regime (Halvorson et al, 2005;Pathak et al, 2005). Nitrogen plus straw application gave the highest seasonal N 2 O flux at 1.10 kg ha -1 in the intermittently-irrigated treatments, but had a lower total GWP at 7.26 Mg CO 2 ha -1…”

Section: Resultsmentioning

confidence: 98%

Effect of Intermittent Drainage on Nitrous Oxide Emission and Global Warming Potential in Rice Paddy Soil

Kim¹,

Lee²,

Lee³

et al. 2012

Korean Journal of Soil Science and Fertilizer

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“…One possibility of embedding additional carbon (or atmospheric CO 2 ) into the soil is to increase soil productivity, which subsequently causes SOC stock increases in soil horizons [33,34]. Another opportunity is deep ploughing, which displaces the rich SOC layer mechanically into SS (less active layers) protecting SOC from decomposition and ensuring its prolonged persistence.…”

Section: Management Of Socmentioning

confidence: 99%

Pedoecological Regularities of Organic Carbon Retention in Estonian Mineral Soils

Kõlli¹,

Köster²,

Kauer³

et al. 2010

IJG

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Soil organic carbon (SOC) retaining capacities of epipedon (EP), subsoil (SS) and soil cover (SC) as a whole, are soil type specific. Depending on individual and sites characteristics, the generalized humus status indices of soil types (EP and SC thickness and SOC stocks) may vary. Land use and land use change primarily influence the properties and fabric of the EP, but the humus status (SOC concentration and stock, fabric of horizons) of the SS remains practically unchangeable. The mean mineral soils SOC stocks, EP quality and SOC distribution in soil profiles depend mainly on the water regime, mineral composition (texture, calcareousness), development of eluvial processes and the land use peculiarities of soils. The mean area weighted SC SOC stock of Estonian mineral soils is 99.9 Mg ha -1 , thereby the mean hydromorphic soils SOC retention capacity considerably exceeds the SOC retention capacity of automorphic soils (means are accordingly 127.5 and 78.9 Mg ha -1 ). The sustainable management of SOC is based on adequate information about actual SOC stocks and theoretically established or optimal humus status levels of soil types. The aggregate of SOC retained in the mineral soils of Estonia (3,235,100 ha) amounts to 323 ± 46 Tg (1 Tg = 10 12 g). Approximately 42% of this is sequestered into stabilized humus, 40% into instable raw-humous material and 18% into forest (grassland) floor and shallow peat layers.

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Tillage, Nitrogen, and Cropping System Effects on Soil Carbon Sequestration

Cited by 257 publications

References 0 publications

Influence of tillage practices on soil biologically active organic matter content over a growing season under semiarid Mediterranean climate

Influence of tillage practices on soil biologically active organic matter content over a growing season under semiarid Mediterranean climate

Effect of Intermittent Drainage on Nitrous Oxide Emission and Global Warming Potential in Rice Paddy Soil

Pedoecological Regularities of Organic Carbon Retention in Estonian Mineral Soils

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