Changes in botanical composition on three farmlets subjected to different pasture and grazing management strategies
L. M. Shakhane A B , J. M. Scott B F , R. Murison C , C. Mulcahy D , G. N. Hinch B , A. Morrow B and D. F. Mackay B E
+ Author Affiliations
- Author Affiliations
A Faculty of Agriculture, National University of Lesotho, PO Box 180, Roma, Lesotho.
B School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.
C School of Science and Technology, University of New England, Armidale, NSW 2351, Australia.
D 79 Beardy Street, Armidale, NSW 2350, Australia.
E 3 Jayne Close, Armidale, NSW 2350, Australia.
F Corresponding author. Email: dr.jimscott@gmail.com
Animal Production Science 53(8) 670-684 https://doi.org/10.1071/AN11177
Submitted: 16 August 2011 Accepted: 20 March 2012 Published: 10 July 2013
Journal Compilation © CSIRO Publishing 2013 Open Access CC BY-NC-ND
Abstract
As part of the Cicerone Project’s farmlet experiment, conducted on the Northern Tablelands of New South Wales, Australia, between July 2000 and December 2006, this study assessed the effects of varying soil fertility, pasture species and grazing management on the botanical composition of three 53-ha farmlets subjected to different management strategies. Starting with the same initial conditions, the farmlets were managed to reach different target levels of soil phosphorus (P) and sulfur (S); Farmlet A aimed at 60 mg/kg of Colwell P and 10 mg/kg S (KCl40) whereas Farmlets B and C both aimed at 20 and 6.5 mg/kg of P and S, respectively. Pastures were renovated on six out of eight paddocks on Farmlet A, but only one paddock of each of Farmlets B (typical management) and C (intensive rotational grazing) was renovated. Flexible rotational grazing was employed on Farmlets A and B (each of eight paddocks) while Farmlet C used intensive rotational grazing over its 17 major paddocks, which were further subdivided into 37 subpaddocks. This paper focuses on the botanical composition dynamics observed across all three farmlets and the explanatory variables associated with those changes. Eight assessments of botanical composition were carried out at approximately annual intervals across each of the 37 major paddocks distributed across the farmlets and the results for each of 49 species were aggregated into seven functional groups for analysis. The strongest correlation found was a negative curvilinear relationship between sown perennial grasses (SPG) and warm-season grasses (WSG). The most significant factors affecting the functional group changes were soil P, sowing phase, paddock and date. These factors led to significant increases in SPG and correspondingly lower levels of WSG on Farmlet A compared with Farmlet B. Farmlets B and C experienced similar, declining levels of SPG, and increasing levels of WSG suggesting that intensive rotational grazing did not lead to substantial changes in botanical composition, compared with flexible rotational grazing, in spite of the fact that intensive rotational grazing had much longer grazing rests and shorter graze periods than the other two farmlets. Soil P levels were also significantly associated with levels of cool-season annual grasses, legumes and herbs, especially on Farmlet A. In general, the largest differences in botanical composition were between Farmlet A and the other two farmlets; these differences were most closely associated with those plants categorised as sown, introduced, C3 pasture species. The levels of legume were generally low on all farmlets, due largely to the dry seasons experienced over most of the trial. Efforts to increase the legume composition on all farmlets were more successful on Farmlet A than on the other two farmlets due, presumably, to higher soil fertility on Farmlet A. Farmlet C, with its long rest periods and short graze periods, had a small proportion of legumes, due to the competitive effects of the accumulated tall grass herbage between grazings. The ‘typical’ management of Farmlet B also resulted in low levels of legume as well as increased ‘patchiness’ of the pastures and increased numbers of thistles.
References
Arnold G (1960) Selective grazing by sheep of two forage species at different stages of growth. Australian Journal of Agricultural Research 11, 1026–1033.| Selective grazing by sheep of two forage species at different stages of growth.Crossref | GoogleScholarGoogle Scholar |
Ayres JF, McPhee MJ, Turner AD, Curll ML (2000) The grazing value of tall fescue (Festuca arundinacea) and phalaris (Phalaris aquatica) for sheep production in the northern tablelands of New South Wales. Australian Journal of Agricultural Research 51, 57–68.
| The grazing value of tall fescue (Festuca arundinacea) and phalaris (Phalaris aquatica) for sheep production in the northern tablelands of New South Wales.Crossref | GoogleScholarGoogle Scholar |
Behrendt K, Cacho O, Scott JM, Jones R (2013a) Optimising pasture and grazing management decisions on the Cicerone Project farmlets over variable time horizons. Animal Production Science 53, 796–805.
| Optimising pasture and grazing management decisions on the Cicerone Project farmlets over variable time horizons.Crossref | GoogleScholarGoogle Scholar |
Behrendt K, Scott JM, Cacho O, Jones R (2013b) Simulating the impact of fertiliser strategies and prices on the economics of developing and managing the Cicerone Project farmlets under climatic uncertainty. Animal Production Science 53, 806–816.
| Simulating the impact of fertiliser strategies and prices on the economics of developing and managing the Cicerone Project farmlets under climatic uncertainty.Crossref | GoogleScholarGoogle Scholar |
Behrendt K, Scott JM, Mackay DF, Murison R (2013c) Comparing the climate experienced during the Cicerone farmlet experiment against the climatic record. Animal Production Science 53, 658–669.
| Comparing the climate experienced during the Cicerone farmlet experiment against the climatic record.Crossref | GoogleScholarGoogle Scholar |
Bell AK, Allan CJ (2000) PROGRAZE – an extension package in grazing and pasture management. Australian Journal of Experimental Agriculture 40, 325–330.
| PROGRAZE – an extension package in grazing and pasture management.Crossref | GoogleScholarGoogle Scholar |
Blair GJ (1997) Matching pastures to the Australian environment. In ‘Pasture production and management’. (Eds JV Lovett, JM Scott) pp. 88–109. (Inkata Press: Melbourne)
Chapman DF, McCaskill MR, Quigley PE, Thompson AN, Graham JF, Borg D, Lamb J, Kearney G, Saul GR, Clark SG (2003) Effects of grazing method and fertiliser inputs on the productivity and sustainability of phalaris-based pastures in Western Victoria. Australian Journal of Experimental Agriculture 43, 785–798.
| Effects of grazing method and fertiliser inputs on the productivity and sustainability of phalaris-based pastures in Western Victoria.Crossref | GoogleScholarGoogle Scholar |
Cook S, Blair G, Lazenby A (1978) Pasture degeneration. II. The importance of superphosphate, nitrogen and grazing management. Australian Journal of Agricultural Research 29, 19–29.
| Pasture degeneration. II. The importance of superphosphate, nitrogen and grazing management.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DyaE1cXhtF2qtb4%3D&md5=eb1e445201f5793668a4980db6b8a9a1CAS |
Correll O, Isselstein J, Pavlu V (2003) Studying spatial and temporal dynamics of sward structure at low stocking densities: the use of an extended rising-plate-meter method. Grass and Forage Science 58, 450–454.
| Studying spatial and temporal dynamics of sward structure at low stocking densities: the use of an extended rising-plate-meter method.Crossref | GoogleScholarGoogle Scholar |
Curll ML, Wilkins RJ, Snaydon RW, Shanmugalingam VS (1985) The effects of stocking rate and nitrogen fertilizer on a perennial ryegrass-white clover sward. Grass and Forage Science 40, 129–140.
| The effects of stocking rate and nitrogen fertilizer on a perennial ryegrass-white clover sward.Crossref | GoogleScholarGoogle Scholar |
Dowling PM, Kemp DR, Ball PD, Langford CM, Michalk DL, Millar GD, Simpson PC, Thompson RP (2005) Effect of continuous and time-control grazing on grassland components in south-eastern Australia. Australian Journal of Experimental Agriculture 45, 369–382.
| Effect of continuous and time-control grazing on grassland components in south-eastern Australia.Crossref | GoogleScholarGoogle Scholar |
Dowling PM, Michalk DL, Kemp DR, Millar GD, Priest SM, King WM, Packer IJ, Holst PJ, Tarleton JA (2006) Sustainable grazing systems for the Central Tablelands of New South Wales. 2. Effect of pasture type and grazing management on pasture productivity and composition. Australian Journal of Experimental Agriculture 46, 457–469.
| Sustainable grazing systems for the Central Tablelands of New South Wales. 2. Effect of pasture type and grazing management on pasture productivity and composition.Crossref | GoogleScholarGoogle Scholar |
Earl J, Jones C (1996) The need for a new approach to grazing management – is cell grazing the answer? The Rangeland Journal 18, 327–350.
| The need for a new approach to grazing management – is cell grazing the answer?Crossref | GoogleScholarGoogle Scholar |
Edwards C, Gaden C, Marchant R, Coventry T, Dutton P, Scott JM (2013) Delivering extension and adult learning outcomes from the Cicerone Project by ‘comparing, measuring, learning and adopting’. Animal Production Science 53, 827–840.
| Delivering extension and adult learning outcomes from the Cicerone Project by ‘comparing, measuring, learning and adopting’.Crossref | GoogleScholarGoogle Scholar |
Garden DL, Dowling PM, Eddy DA, Nicol HI (2000a) A survey of farms on the Central, Southern and Monaro Tablelands of New South Wales: management practices, farmer knowledge of native grasses, and extent of native grass areas. Australian Journal of Experimental Agriculture 40, 1081–1088.
| A survey of farms on the Central, Southern and Monaro Tablelands of New South Wales: management practices, farmer knowledge of native grasses, and extent of native grass areas.Crossref | GoogleScholarGoogle Scholar |
Garden DL, Lodge GM, Friend DA, Dowling PM, Orchard BA (2000b) Effects of grazing management on botanical composition of native grass-based pastures in temperate south-east Australia. Australian Journal of Experimental Agriculture 40, 225–245.
| Effects of grazing management on botanical composition of native grass-based pastures in temperate south-east Australia.Crossref | GoogleScholarGoogle Scholar |
Garden DL, Dowling PM, Eddy DA, Nicol HI (2001) The influence of climate, soil, and management on the composition of native grass pastures on the central, southern, and Monaro tablelands of New South Wales. Australian Journal of Agricultural Research 52, 925–936.
| The influence of climate, soil, and management on the composition of native grass pastures on the central, southern, and Monaro tablelands of New South Wales.Crossref | GoogleScholarGoogle Scholar |
Garden DL, Ellis NJS, Rab MA, Langford CM, Johnston WH, Shields C, Murphy T, Holmberg M, Dassanayake KB, Harden S (2003) Fertiliser and grazing effects on production and botanical composition of native grasslands in south-east Australia. Australian Journal of Experimental Agriculture 43, 843–859.
| Fertiliser and grazing effects on production and botanical composition of native grasslands in south-east Australia.Crossref | GoogleScholarGoogle Scholar |
Grace BS, Whalley RDB, Sheppard AW, Sindel BM (2002) Managing saffron thistle in pastures with strategic grazing. The Rangeland Journal 24, 313–325.
| Managing saffron thistle in pastures with strategic grazing.Crossref | GoogleScholarGoogle Scholar |
Graham JF, Cullen BR, Lodge GM, Andrew MH, Christy BP, Holst PJ, Wang X, Murphy SR, Thompson AN (2003) SGS Animal Production Theme: effect of grazing system on animal productivity and sustainability across southern Australia. Australian Journal of Experimental Agriculture 43, 977–991.
| SGS Animal Production Theme: effect of grazing system on animal productivity and sustainability across southern Australia.Crossref | GoogleScholarGoogle Scholar |
Guppy CN, Edwards C, Blair GJ, Scott JM (2013) Whole-farm management of soil nutrients drives productive grazing systems: the Cicerone farmlet experiment confirms earlier research. Animal Production Science 53, 649–657.
| Whole-farm management of soil nutrients drives productive grazing systems: the Cicerone farmlet experiment confirms earlier research.Crossref | GoogleScholarGoogle Scholar |
Harris CA, Ayres JF (1997) The performance of set-stocked pastures on the northern tablelands of New South Wales through severe drought. In ‘Proceedings of the 12th annual conference of the Grassland Society of New South Wales’. pp. 136–137.
Harris W, Lazenby A (1974) Competitive interaction of grasses with contrasting temperature responses and water stress tolerances. Australian Journal of Agricultural Research 25, 227–246.
| Competitive interaction of grasses with contrasting temperature responses and water stress tolerances.Crossref | GoogleScholarGoogle Scholar |
Hill JO, Simpson RJ, Moore AD, Graham P, Chapman DF (2004) Impact of phosphorus application and sheep grazing on the botanical composition of sown pasture and naturalised, native grass pasture. Australian Journal of Agricultural Research 55, 1213–1225.
| Impact of phosphorus application and sheep grazing on the botanical composition of sown pasture and naturalised, native grass pasture.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD2cXhtFWqsLjP&md5=d09b717cd6cf3dd9f1d51be553f23fb5CAS |
Hill JO, Simpson RJ, Wood JT, Moore AD, Chapman DF (2005) The phosphorus and nitrogen requirements of temperate pasture species and their influence on grassland botanical composition. Australian Journal of Agricultural Research 56, 1027–1039.
| The phosphorus and nitrogen requirements of temperate pasture species and their influence on grassland botanical composition.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD2MXhtFChsLbI&md5=d0c8c7cb2c619659424d978a72f77f5cCAS |
Hinch GN, Hoad J, Lollback M, Hatcher S, Marchant R, Colvin A, Scott JM, Mackay D (2013) Livestock weights in response to three whole-farmlet management systems. Animal Production Science 53, 727–739.
| Livestock weights in response to three whole-farmlet management systems.Crossref | GoogleScholarGoogle Scholar |
Hutchinson K, King K, Wilkinson D (1995) Effects of rainfall, moisture stress, and stocking rate on the persistence of white clover over 30 years. Australian Journal of Experimental Agriculture 35, 1039–1047.
| Effects of rainfall, moisture stress, and stocking rate on the persistence of white clover over 30 years.Crossref | GoogleScholarGoogle Scholar |
Jones RM, Jones RJ, McDonald CK (1995) Some advantages of long-term grazing trials, with particular reference to changes in botanical composition. Australian Journal of Experimental Agriculture 35, 1029–1038.
| Some advantages of long-term grazing trials, with particular reference to changes in botanical composition.Crossref | GoogleScholarGoogle Scholar |
Jones RE, Dowling PM, Michalk DL, King WM (2006) Sustainable grazing systems for the Central Tablelands of New South Wales. 5. A bioeconomic framework for assessing the long-term economic benefits of grazing management tactics and implications for sustainability. Australian Journal of Experimental Agriculture 46, 495–502.
| Sustainable grazing systems for the Central Tablelands of New South Wales. 5. A bioeconomic framework for assessing the long-term economic benefits of grazing management tactics and implications for sustainability.Crossref | GoogleScholarGoogle Scholar |
Kemp DR, Culvenor RA (1994) Improving the grazing and drought tolerance of temperate perennial grasses. New Zealand Journal of Agricultural Research 37, 365–378.
| Improving the grazing and drought tolerance of temperate perennial grasses.Crossref | GoogleScholarGoogle Scholar |
Kemp DR, Dowling PM (2000) Towards sustainable temperate perennial pastures. Australian Journal of Experimental Agriculture 40, 125–132.
| Towards sustainable temperate perennial pastures.Crossref | GoogleScholarGoogle Scholar |
Lane LA, Ayres JF, Lovett JV (2000) The pastoral significance, adaptive characteristics, and grazing value of white clover (Trifolium repens L.) in dryland environments in Australia: a review. Australian Journal of Experimental Agriculture 40, 1033–1046.
| The pastoral significance, adaptive characteristics, and grazing value of white clover (Trifolium repens L.) in dryland environments in Australia: a review.Crossref | GoogleScholarGoogle Scholar |
Lees JW, Reeve IJ (1994) Temperate Pasture Sustainability Key Program 1994. Producer Survey. Report to the Meat Research Corporation. Rural Development Centre, University of New England, Armidale, NSW.
Liang KY, Zeger SL (1986) Longitudinal data analysis using generalized linear models. Biometrika 73, 13–22.
| Longitudinal data analysis using generalized linear models.Crossref | GoogleScholarGoogle Scholar |
Lodge GM, Whalley RDB (1985) The manipulation of species composition of natural pastures by grazing management on the Northern Slopes of New South Wales. Australian Rangelands Journal 7, 6–16.
| The manipulation of species composition of natural pastures by grazing management on the Northern Slopes of New South Wales.Crossref | GoogleScholarGoogle Scholar |
Lodge GM, Whalley RDB (1989) ‘Native and natural pastures on the Northern Slopes and Tablelands of New South Wales: a review and annotated bibliography.’ (NSW Agriculture and Fisheries: Tamworth)
López IF, Valentine I, Lambert MG, Hedderley DI, Kemp PD (2006) Plant functional groups in a heterogeneous environment. New Zealand Journal of Agricultural Research 49, 439–450.
| Plant functional groups in a heterogeneous environment.Crossref | GoogleScholarGoogle Scholar |
Mason WK, Kay G (2000) Temperate Pasture Sustainability Key Program: an overview. Australian Journal of Experimental Agriculture 40, 121–123.
| Temperate Pasture Sustainability Key Program: an overview.Crossref | GoogleScholarGoogle Scholar |
Mason WK, Lamb K, Russell B (2003) The Sustainability Grazing Systems Program: new solutions for livestock producers. Australian Journal of Experimental Agriculture 43, 663–672.
| The Sustainability Grazing Systems Program: new solutions for livestock producers.Crossref | GoogleScholarGoogle Scholar |
Michael PW (1968) Control of the biennial thistle Onopordum by Amitrole and five perennial grasses. Australian Journal of Experimental Agriculture and Animal Husbandry 8, 332–339.
| Control of the biennial thistle Onopordum by Amitrole and five perennial grasses.Crossref | GoogleScholarGoogle Scholar |
Michalk DL, Dowling PM, Kemp DR, King WM, Packer IJ, Holst PJ, Jones RE, Priest SM, Millar GD, Brisbane S, Stanley DF (2003) Sustainable grazing systems for the Central Tablelands, New South Wales. Australian Journal of Experimental Agriculture 43, 861–874.
| Sustainable grazing systems for the Central Tablelands, New South Wales.Crossref | GoogleScholarGoogle Scholar |
Nicholas PK, Kemp PD, Barker DJ (1998) Biodiversity, stability and pasture management – the role of functional groups. In ‘Agronomy, growing a greener future? Proceedings of the 9th Australian agronomy conference’. Charles Sturt University, Wagga Wagga, NSW. (Eds DL Michalk, JE Pratley) (The Regional Institute) Available at http://www.regional.org.au/au/asa/1998/3/067nicholas.htm [Verified 26 June 2012]
Oram RN, Lodge GM (2003) Trends in temperate Australian grass breeding and selection. Australian Journal of Agricultural Research 54, 211–241.
| Trends in temperate Australian grass breeding and selection.Crossref | GoogleScholarGoogle Scholar |
R Development Core Team (2009) R: a language and environment for statistical computing. Available at http://www.R-project.org [Verified 21 June 2012]
Reeve IJ, Kaine G, Lees JW, Barclay E (2000) Producer perceptions of pasture decline and grazing management. Australian Journal of Experimental Agriculture 40, 331–341.
| Producer perceptions of pasture decline and grazing management.Crossref | GoogleScholarGoogle Scholar |
Ridley A, Slattery W, Helyar K, Cowling A (1990) Acidification under grazed annual and perennial grass based pastures. Australian Journal of Experimental Agriculture 30, 539–544.
| Acidification under grazed annual and perennial grass based pastures.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DyaK3MXlvVaisr8%3D&md5=359aa2bed69ca7186e914d789049e587CAS |
Rogers R, Whalley R (1989) Relationship Between Diaspore Characteristics and Distribution of Grasses Around Sheep Camps on the Northern Tablelands of New-South-Wales. Australian Journal of Botany 37, 501–510.
| Relationship Between Diaspore Characteristics and Distribution of Grasses Around Sheep Camps on the Northern Tablelands of New-South-Wales.Crossref | GoogleScholarGoogle Scholar |
Sanford P, Cullen BR, Dowling PM, Chapman DF, Garden DL, Lodge GM, Andrew MH, Quigley PE, Murphy SR, King WM, Johnston WH, Kemp DR (2003) Sustainable Grazing Systems Theme: effect of climate, soil factors and management on pasture production and stability across the high rainfall zone of southern Australia. Australian Journal of Experimental Agriculture 43, 945–959.
| Sustainable Grazing Systems Theme: effect of climate, soil factors and management on pasture production and stability across the high rainfall zone of southern Australia.Crossref | GoogleScholarGoogle Scholar |
Saul GR, Waller R, Warn L, Hill R (1998) Grazing management for sheep pastures in Victoria – update on current research results. In ‘Proceedings of the 39th Grassland Society of Victoria conference’. Mornington, Victoria. (Eds R Stockdale, L Warn) pp. 87–95. (Grassland Society of Victoria Inc.: Tooborac, Vic.)
Scott JM, Hutchinson KJ, King K, Chen W, McLeod M, Blair GJ, White A, Wilkinson D, Lefroy RDB, Cresswell H, Daniel H, Harris C, MacLeod DA, Blair N, Chamberlain G (2000) Quantifying the sustainability of grazed pastures on the Northern Tablelands of New South Wales. Australian Journal of Experimental Agriculture 40, 257–265.
| Quantifying the sustainability of grazed pastures on the Northern Tablelands of New South Wales.Crossref | GoogleScholarGoogle Scholar |
Scott JF, Scott JM, Cacho OJ (2013a) Whole-farm returns show true profitability of three different livestock management systems. Animal Production Science 53, 780–787.
| Whole-farm returns show true profitability of three different livestock management systems.Crossref | GoogleScholarGoogle Scholar |
Scott JM, Gaden CA, Edwards C, Paull DR, Marchant R, Hoad J, Sutherland H, Coventry T, Dutton P (2013b) Selection of experimental treatments, methods used and evolution of management guidelines for comparing and measuring three grazed farmlet systems. Animal Production Science 53, 628–642.
| Selection of experimental treatments, methods used and evolution of management guidelines for comparing and measuring three grazed farmlet systems.Crossref | GoogleScholarGoogle Scholar |
Scott JM, Munro M, Rollings N, Browne W, Vickery PJ, Macgregor C, Donald GE, Sutherland H (2013c) Planning for whole-farm systems research at a credible scale: subdividing land into farmlets with equivalent initial conditions. Animal Production Science 53, 618–627.
| Planning for whole-farm systems research at a credible scale: subdividing land into farmlets with equivalent initial conditions.Crossref | GoogleScholarGoogle Scholar |
Shakhane LM, Mulcahy C, Scott JM, Hinch GN, Donald GE, Mackay DF (2013a) Pasture herbage mass, quality and growth in response to three whole-farmlet management systems. Animal Production Science 53, 685–698.
| Pasture herbage mass, quality and growth in response to three whole-farmlet management systems.Crossref | GoogleScholarGoogle Scholar |
Shakhane LM, Scott JM, Hinch GN, Mackay DF, Lord C (2013b) Estimating the balance between pasture feed supply and demand of grazing livestock in a farmlet experiment. Animal Production Science 53, 711–726.
| Estimating the balance between pasture feed supply and demand of grazing livestock in a farmlet experiment.Crossref | GoogleScholarGoogle Scholar |
Tothill JC, Hargreaves JNG, Jones RM (1978) BOTANAL – a comprehensive sampling and computing procedure for estimating pasture yield and composition. CSIRO Division of Tropical Crops and Pastures, Tropical Agronomy Technical Memorandum No. 8, St Lucia, Qld.
Vere DT, Campbell MH, Kemp DR (1993) ‘Pasture improvement budgets for the central and southern tablelands of New South Wales.’ (NSW Agriculture: Orange, NSW)
Waller RA, Sale PWG, Saul GR, Kearney GA (2001) Tactical versus continuous stocking in perennial ryegrass-subterranean clover pastures grazed by sheep in south-western Victoria – 1. Stocking rates and herbage production. Australian Journal of Experimental Agriculture 41, 1099–1108.
| Tactical versus continuous stocking in perennial ryegrass-subterranean clover pastures grazed by sheep in south-western Victoria – 1. Stocking rates and herbage production.Crossref | GoogleScholarGoogle Scholar |
Watson DJ, Avery A, Mitchell GJ, Chenner SR (2001) Grazing management to increase utilisation of phalaris-based pasture in dryland dairy systems. Australian Journal of Experimental Agriculture 41, 29–36.
| Grazing management to increase utilisation of phalaris-based pasture in dryland dairy systems.Crossref | GoogleScholarGoogle Scholar |
Whalley R, Robinson G, Taylor J (1976) General effects of management and grazing by domestic livestock on the rangelands of the Northern Tablelands of New South Wales. The Rangeland Journal 1, 174–190.
| General effects of management and grazing by domestic livestock on the rangelands of the Northern Tablelands of New South Wales.Crossref | GoogleScholarGoogle Scholar |
Wheeler JL, Pearson CJ, Robards GE (Eds) (1987) ‘Temperate pastures: their production, use and management.’ (CSIRO and Australian Wool Corporation: Melbourne)
Wolfe E, Lazenby A (1972) Bloat incidence and liveweight gain in beef cattle on pastures containing different proportions of white clover (Trifolium repens). Australian Journal of Experimental Agriculture 12, 119–125.
| Bloat incidence and liveweight gain in beef cattle on pastures containing different proportions of white clover (Trifolium repens).Crossref | GoogleScholarGoogle Scholar |
Zhang B, Valentine I, Kemp PD (2005) A decision tree approach modelling functional group abundance in a pasture ecosystem. Agriculture Ecosystems & Environment 110, 279–288.
| A decision tree approach modelling functional group abundance in a pasture ecosystem.Crossref | GoogleScholarGoogle Scholar |
Zuur AF, Ieno EN, Smith GM (2007) ‘Analysing ecological data.’ (Springer: New York)
