Sensitivity of Winter-Active Lucerne (Medicago sativa L.) to Different Grazing Regimes
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作者:
Burnett, Vivianne F.
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Agr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, AustraliaAgr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, Australia
Burnett, Vivianne F.
[1
]
Hirth, Jeff R.
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Jeff Hirth Editorial & Agron Serv, 182 Anzac Rd, Springhurst, Vic 3682, AustraliaAgr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, Australia
Hirth, Jeff R.
[2
]
Butler, Kym L.
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Agr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 915 Mt Napier Rd, Hamilton, Vic 3300, AustraliaAgr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, Australia
Butler, Kym L.
[3
]
Mitchell, Meredith L.
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Agr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, AustraliaAgr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, Australia
Mitchell, Meredith L.
[1
]
Clark, Steve G.
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Agr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 915 Mt Napier Rd, Hamilton, Vic 3300, AustraliaAgr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, Australia
Clark, Steve G.
[3
]
Nie, Zhongnan
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Agr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 915 Mt Napier Rd, Hamilton, Vic 3300, AustraliaAgr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, Australia
Nie, Zhongnan
[3
]
机构:
[1] Agr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 124 Chiltern Valley Rd, Rutherglen, Vic 3685, Australia
[2] Jeff Hirth Editorial & Agron Serv, 182 Anzac Rd, Springhurst, Vic 3682, Australia
[3] Agr Victoria Res, Dept Econ Dev Jobs Transport & Resources, 915 Mt Napier Rd, Hamilton, Vic 3300, Australia
Lucerne (alfalfa; Medicago sativa L.) is the key forage for grazing in dryland temperate regions around the world. While rotational grazing of lucerne is recommended, in southern Australia the intervals between grazing events are often chosen in an opportunistic manner, to meet livestock production targets and utilise excessive spring and summer growth. To assess whether the persistence of lucerne is sensitive to variations in rotational grazing management practice, we report on an experiment with four sheep grazing treatments that was conducted for 2.5 years, including three summers, in southern New South Wales. The grazing management treatments were a crash-grazing control, frequent grazing, feed-based rotational grazing and time-based rotational grazing, replicated four times. The number of grazing events, percentage of time under grazing, lucerne top dry matter (DM) at the beginning and end of grazing periods and plant density were measured. The results relating to number of grazing events, percentage of time grazing and DM removed during grazing indicated that four grazing practices had been achieved. The treatments all had significant periods of rest for at least 73% of time and were empirically different in their approach but resulted in similar grazing pressures, in terms of overall pasture removed during grazing. Nevertheless, there was little difference in lucerne densities between grazing treatments over the life of the experiment. We conclude that there is flexibility in the rotational management of grazed lucerne provided adequate rest periods are part of the management program.
机构:
Lincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Int Inst Appl Syst Anal, Land Use Change & Agr Program, LUC IIASA, A-2361 Laxenburg, AustriaLincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Teixeira, Edmar I.
Moot, Derrick J.
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Lincoln Univ, Fac Agr & Life Sci, Canterbury, New ZealandLincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Moot, Derrick J.
Brown, Hamish E.
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Lincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Inst Plant & Food Res, Christchurch, New ZealandLincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
机构:
Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, AustraliaFlinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, Australia
Le, Xuyen H.
Ballard, Ross A.
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South Australian Res & Dev Inst, GPO 397, Adelaide, SA 5001, AustraliaFlinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, Australia
Ballard, Ross A.
Franco, Christopher M. M.
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Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, AustraliaFlinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, Australia
机构:
Inst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina
Univ Nacl Mar del Plata, Fac Ciencias Agr, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, ArgentinaInst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina
Berone, German
Bertram, Nicolas
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Inst Nacl Tecnol Agr INTA, Estn Expt Agr Marcos Juarez, Ruta 12 Km 3, Cordoba, ArgentinaInst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina
Bertram, Nicolas
Di Nucci, Elena
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Inst Nacl Tecnol Agr INTA, Estn Expt Agr Parana, Ruta 11 Km 12,5, Oro Verde, Entre Rios, ArgentinaInst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina
机构:
Lincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Int Inst Appl Syst Anal, Land Use Change & Agr Program, LUC IIASA, A-2361 Laxenburg, AustriaLincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Teixeira, Edmar I.
Moot, Derrick J.
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h-index: 0
机构:
Lincoln Univ, Fac Agr & Life Sci, Canterbury, New ZealandLincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Moot, Derrick J.
Brown, Hamish E.
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h-index: 0
机构:
Lincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
Inst Plant & Food Res, Christchurch, New ZealandLincoln Univ, Fac Agr & Life Sci, Canterbury, New Zealand
机构:
Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, AustraliaFlinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, Australia
Le, Xuyen H.
Ballard, Ross A.
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h-index: 0
机构:
South Australian Res & Dev Inst, GPO 397, Adelaide, SA 5001, AustraliaFlinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, Australia
Ballard, Ross A.
Franco, Christopher M. M.
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h-index: 0
机构:
Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, AustraliaFlinders Univ S Australia, Sch Med, Dept Med Biotechnol, GPO Box 2100, Adelaide, SA 5001, Australia
机构:
Inst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina
Univ Nacl Mar del Plata, Fac Ciencias Agr, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, ArgentinaInst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina
Berone, German
Bertram, Nicolas
论文数: 0引用数: 0
h-index: 0
机构:
Inst Nacl Tecnol Agr INTA, Estn Expt Agr Marcos Juarez, Ruta 12 Km 3, Cordoba, ArgentinaInst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina
Bertram, Nicolas
Di Nucci, Elena
论文数: 0引用数: 0
h-index: 0
机构:
Inst Nacl Tecnol Agr INTA, Estn Expt Agr Parana, Ruta 11 Km 12,5, Oro Verde, Entre Rios, ArgentinaInst Nacl Tecnol Agr INTA, Estn Expt Agr Balcarce, Ruta Nacl 226 Km 73,5, Balcarce, Buenos Aires, Argentina