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Carbon losses in terrestrial hydrological pathways in sugarcane cropping systems of Australia

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Nachimuthu, G., Bell, M. J. and Halpin, N. V. (2016) Carbon losses in terrestrial hydrological pathways in sugarcane cropping systems of Australia. Journal of Soil and Water Conservation, 71 (5). 109A-113A.

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Article Link: http://dx.doi.org/10.2489/jswc.71.5.109A

Publisher URL: http://www.jswconline.org/content/71/5/109A.short

Abstract

Climate change and carbon (C) sequestration are a major focus of research in the twenty-first century. Globally, soils store about 300 times the amount of C that is released per annum through the burning of fossil fuels (Schulze and Freibauer 2005). Land clearing and introduction of agricultural systems have led to rapid declines in soil C reserves. The recent introduction of conservation agricultural practices has not led to a reversing of the decline in soil C content, although it has minimized the rate of decline (Baker et al. 2007; Hulugalle and Scott 2008). Lal (2003) estimated the quantum of C pools in the atmosphere, terrestrial ecosystems, and oceans and reported a “missing C” component in the world C budget. Though not proven yet, this could be linked to C losses through runoff and soil erosion (Lal 2005) and a lack of C accounting in inland water bodies (Cole et al. 2007). Land management practices to minimize the microbial respiration and soil organic C (SOC) decline such as minimum tillage or no tillage were extensively studied in the past, and the soil erosion and runoff studies monitoring those management systems focused on other nutrients such as nitrogen (N) and phosphorus (P).

Item Type:Article
Business groups:Crop and Food Science
Subjects:Agriculture > Agriculture (General) > Methods and systems of culture. Cropping systems
Plant culture > Field crops > Sugar plants
Live Archive:12 Sep 2016 05:47
Last Modified:03 Sep 2021 16:50

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