Cited by 51Pasture and Agricultural SystemsRangeland Management and Livestock EcologyAgroforestry and silvopastoral systems

SGS Pasture Theme, effect of climate, soil factors and management on pasture production and stability across the high rainfall zone of southern Australia

Sanford, P., Cullen, B. R., Dowling, P. M., Chapman, D. F., Garden, D. L., Lodge, G. M., Andrew, M. H., Quigley, P. E. +4 more·2003·Australian Journal of Experimental Agriculture

Abstract

The Sustainable Grazing Systems (SGS) National Experiment (NE) Pasture Theme explored factors that influenced annual herbage accumulation and perennial grass and legume content across the NE sites, in the high rainfall zone (HRZ, >600 mm/year annual rainfall) of southern Australia using multi-variate analysis and the SGS Pasture Model. Annual rainfall was a poor predictor of annual herbage accumulation. The length of growing season accounted for 30% of the variation in annual herbage accumulation. Much of the remaining 70% of variation in annual herbage accumulation was explained by soil Olsen P, the proportion of native species in the pasture and stocking rate, together with interactions among other factors including legume content. Simulated effects of set stocking and rotational grazing on herbage accumulation using the SGS Pasture Model, predicted that rotational grazing was unlikely to result in large increases in herbage accumulation. In contrast, it was predicted that the adoption of deep-rooted C3 and C4 perennial grasses could provide useful increases in herbage accumulation. Perennial grass content and basal cover were both significantly influenced by growing season length ( P< 0.001), grazing method ( P< 0.001) and an interaction between stocking rate and soil pH ( P = 0.002). These analyses suggested that to maintain or improve the perennial grass component of a pasture at medium–high stocking rates, it was crucial to adopt grazing strategies that included rotatio…

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Crossref · 10.1071/ea02209

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  • Productivity has been found to increase through the implementation of rotational grazing, from both a pasture and livestock production perspective, although the experimental evidence is mixed.

    “Productivity has been found to increase through the implementation of rotational grazing, from both a pasture and livestock production perspective, although the experimental evidence is mixed [20].”

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Authors
Sanford, P., Cullen, B. R., Dowling, P. M., Chapman, D. F., Garden, D. L., Lodge, G. M., Andrew, M. H., Quigley, P. E., Murphy, S. R., King, W. M., Johnston, W. H., & Kemp, D. R.
Affiliations
  • Department of Agriculture and Food Western Australia (AU)
  • The University of Melbourne (AU)
  • URS Corporation (United Kingdom) (GB)
  • New South Wales Department of Primary Industries (AU)
  • The University of Sydney (AU)
Venue
Australian Journal of Experimental Agriculture
Published
2003-09-16
Volume
43
Issue
8
Pages
945-959
ISSN
  • 0816-1089 (ISSN-L)
  • 1446-5574
OpenAlex
W2021197610
Cited by
51
References
76
Citations by year
2024: 2 · 2023: 2 · 2022: 2 · 2021: 1 · 2019: 1 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 3 · 2013: 5 · 2012: 5
FWCI
18.40
Type
journal article
Language
en
Open access
closed
Locations
Australian Journal of Experimental Agriculture (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Forestry › Pasture and Agricultural Systems
  • Physical Sciences › Environmental Science › Management, Monitoring, Policy and Law › Rangeland Management and Livestock Ecology
  • Life Sciences › Agricultural and Biological Sciences › Forestry › Agroforestry and silvopastoral systems
Keywords
pasture production, herbage accumulation, perennial grasses, perennial legumes, rotational grazing, continuous grazing, stocking rate, growing season length, Olsen phosphorus, soil pH, native perennial grasses, high rainfall areas, southern Australia

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