Strategic Management of Grazing Grassland Systems to Maintain and Increase Organic Carbon in Soils

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Title: Strategic Management of Grazing Grassland Systems to Maintain and Increase Organic Carbon in Soils
Authors: Khalil, Ibrahim Mohammad
Francaviglia, Rosa
Henry, Beverley
et al.
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Date: 13-Mar-2019
Online since: 2019-03-25T12:55:11Z
Abstract: Understanding management-induced C sequestration potential in soils under agriculture, forestry, and other land use systems and their quantification to offset increasing greenhouse gases are of global concern. This chapter reviews management-induced changes in C storage in soils of grazing grassland systems, their impacts on ecosystem functions, and their adaptability and needs of protection across socio-economic and cultural settings. In general, improved management of grassland/pasture such as manuring/slurry application, liming and rotational grazing, and low to medium livestock units could sequester C more than under high intensity grazing conditions. Converting cultivated land to pasture, restoration of degraded land, and maximizing pasture phases in mixed-cropping, pasture with mixed-livestock, integrated forestry-pasturage of livestock (silvopastoral) and crop-forestry-pasturage of livestock (agro-silvopastoral) systems could also maintain and enhance soil organic C density (SOCρ). In areas receiving low precipitation and having high erodibility, grazing exclusion might restore degraded grasslands and increase SOCρ. Yet, optimizing C sequestration rates, sowing of more productive grass varieties, judicial inorganic and organic fertilization, rotational grazing, and other climate-resilient approaches could improve overall farm productivity and profitability and attain sustainability in livestock farming systems.
Funding Details: Department of Agriculture, Food and the Marine
Environmental Protection Agency
Type of material: Book Chapter
Publisher: IntechOpen
Copyright (published version): 2019 the Authors
Keywords: Carbon sequestrationGrazing grasslandSilvopastoralismIntegrated land usesLivestock farming
DOI: 10.5772/intechopen.84341
Language: en
Status of Item: Peer reviewed
Is part of: Frazão LA. (eds.). CO2 Sequestration
Appears in Collections:Biology & Environmental Science Research Collection

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