Role of Soil Organic Matter in Maintaining Sustainability of Cropping Systems

Fageria, N. K.

doi:10.1080/00103624.2012.697234

Cited by 222 publications

(128 citation statements)

References 300 publications

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“…This resistance of lignin to microbial degradation enhances lignin persistence in soils. Lignin is therefore a significant component of global carbon cycle (Campbell & Sederoff, 1996;Li-xia & Jian-jun, 2003;Bose et al, 2009;Fageria, 2012;Bot & Benites, 2005).…”

Section: Introductionmentioning

confidence: 99%

Regulated Lignin Structural Units and Soil Organic Carbon Content by Cowpea Peroxidase

Osuji¹,

Madu²,

Duffus³

et al. 2016

JAS

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Peroxidases participate in lignin biosynthesis, but there is no biochemical resolution between the structural units of lignin and soil organic carbon (SOC) contents. Black-eyed beans are staple high-protein foods for millions of at-risk populations in every continent. Its cultivation in semiarid zones could be leveraged to maximize SOC sequestration. Cowpea was treated with stoichiometric mixes of mineral nutrients. Peroxidase was electrophoretically purified from leaves, and assayed for o-dianisidine (guaiacyl units) and pyrogallol (p-hydroxyphenyl units) substrate specificities. Lignin, and SOC compositions were determined by gravimetry. Sulfate-treated cowpea produced the highest lignin (318.88 kg·ha ). The high SOC sequestration technology involving fertilization with stoichiometric mixes of mineral nutrients could enable limited resource farmers who cultivate cowpeas as cover crop in the Sahel to improve SOM while producing their staple crop.

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Section: Introductionmentioning

confidence: 99%

Regulated Lignin Structural Units and Soil Organic Carbon Content by Cowpea Peroxidase

Osuji¹,

Madu²,

Duffus³

et al. 2016

JAS

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“…However, SOM is also an excellent predictor of the amount of total N in the soil and has significant influence on denitrification in the soil producing N 2 O emissions (Fageria 2012). Additionally, management practices have been identified to change a CH 4 sink to a source during wet seasons, particularly in pastures (Castaldi et al 2006).…”

Section: Land Use Effect On Ghg Fluxesmentioning

confidence: 99%

“…Increased C and N accumulation in urban and peri-urban soils can be explained by the higher plant productivity with increasing management practices, such as fertilization and irrigation, and consequently higher SOM production. The strong correlation of SOM to its C and N content makes it a strong index of soil quality (Fageria 2012).…”

Section: Soil C and Nmentioning

confidence: 99%

“…Soil organic C has a significant influence on denitrification processes producing N 2 O emissions (Fageria 2012), and is together with N and water the main factors limiting soil fertility and plant growth (Marschner 2007(Marschner , 2012. Plant biomass production subsequently drives soil organic matter (SOM) accumulation in form of C sequestration in the soil.…”

Section: Research Problemmentioning

confidence: 99%

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Implications of urbanization related land use change on the Carbon and Nitrogen cycle from subtropical soils

Delden¹,

Rike²

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2017Reducing nitrous oxide emissions while supporting subtropical cereal production in Oxisols 3 5 KEYWORDS Urbanization, land use change, native forest, grazed pasture, turf grass, carbon, nitrogen, soil-atmosphere gas exchange, greenhouse gas, nitrous oxide, methane, carbon sequestration, subtropical, high-frequency greenhouse gas measurements, climate change, Chromosols. 7 TABLE OF CONTENTSKeywords CHAPTER 6: SOIL N 2 O AND CH 4 FLUXES FROM URBANIZATION RELATED LAND USE CHANGE; FROM EUCALYPTUS FOREST AND PASTURE TO URBAN LAWN (PAPER 3) 1216. Table 7-2 Soil C contents averaged per land use type with standard errors in total (C T ) and the three C fractions of active (C A ), slow (C S ) and resistant (C R ); total N (N T ), mineral N (N min ) and soil C/N ratio . Table 7-3 Spearman's rho correlations of the active (C A ), slow (C S ) and resistant (C R ) C fractions with each other and their soil parameters total C (C T ) and N (N T ), mineral N (N min ), pH, electric conductivity (EC) and clay content for the upper 10 cm topsoil ..... 156 Changes in global climate are driven in part by the radiative forcing of the three major GHG's CO 2 , N 2 O and methane (CH 4 ) in the atmosphere (IPCC 2007(IPCC , 2013. LIST OF TABLESThe biogeochemical carbon (C) and nitrogen (N) cycles play an essential role in global climate change mitigation by immobilizing C from and minimizing NO x losses into the atmosphere by increasing soil organic matter (SOM) (Lal 2004b), i.e.C sequestration. Soils contain over three times more C than either the atmosphere or living vegetation, which makes them the largest terrestrial C pool (Schlesinger 1990;1995 This highlights the need to quantify changes in the GWP of peri-urban environments. (ii) Soil type and initial C and N status before land use change Research problemSoil organic C has a significant influence on denitrification processes producing This C sequestration potential of peri-urban environments is based on the increased ecosystem productivity due to fertilizer and irrigation practices of the turf grass management. These intensified management practices however, might as well increase the soil-atmosphere GHG exchange of CH 4 and especially N 2 O, which then limits the positive effect of C sequestration on the climate. Therefore, the C sequestration potential of peri-urban environments needs to be evaluated in combination with soil-atmosphere GHG exchange to estimate an accurate long-term GWP. This study examines native forest and grazed pasture for comparison to the establishment of a residential turf grass across multiple time scales to identify alterations of C and N cycling after urbanization related land use change. Therefore, an inter-annual non-CO 2 GWP based on high frequency CH 4 and N 2 O measurements was complemented with the long-term soil C sequestration potential of peri-urban turf grass compared to forest and pasture. Research aim and objectivesLand use change associated with urbanization can impact biogeochemical nutrient cycling in the transitioning envir...

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“…This transformation from the red infertile soils naturally occurring in the region to the black carbon rich soils occurs through the addition of several types of biochar (the charred wood form cooking fires, palm oil production and making of potash), large amounts of organic waste from crop processing such as banana, plantain and cassava, as well as animal byproducts. In fact soil organic matter is probably the single most important factor in sustainable agriculture systems, affecting levels of nutrient availability, contributions to the cation exchange capacity of soil, controlling levels of toxicity, neutralizing toxic chemicals in the process of alleopathy of plants, and influencing the biological properties of soils (Fageria, 2012). Another crucial component for plant health is the diversity of microbes found in the soil, in fact soil microbial communities are some of the largest reservoirs of biological diversity in the world.…”

Section: Soil Formation and Healthmentioning

confidence: 99%

A Framework for assessing Alternative Agro-Ecosystems: finding Multi-Functional Solutions for Sustainable urban landscapes.

Ms.¹,

Thais²

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Role of Soil Organic Matter in Maintaining Sustainability of Cropping Systems

Cited by 222 publications

References 300 publications

Regulated Lignin Structural Units and Soil Organic Carbon Content by Cowpea Peroxidase

Regulated Lignin Structural Units and Soil Organic Carbon Content by Cowpea Peroxidase

Implications of urbanization related land use change on the Carbon and Nitrogen cycle from subtropical soils

A Framework for assessing Alternative Agro-Ecosystems: finding Multi-Functional Solutions for Sustainable urban landscapes.

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