Summer production of alternative species in comparison to perennial ryegrass and white clover for high input pasture systems

Paper

Smith, Rowan, Hall, Eric, Corkrey, Ross, Parsons, David, Pembleton, Keith and Rawnsley, Richard. 2015. "Summer production of alternative species in comparison to perennial ryegrass and white clover for high input pasture systems." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
Paper/Presentation Title

Summer production of alternative species in comparison to perennial ryegrass and white clover for high input pasture systems

Presentation TypePaper
AuthorsSmith, Rowan, Hall, Eric, Corkrey, Ross, Parsons, David, Pembleton, Keith and Rawnsley, Richard
Journal or Proceedings TitleProceedings of the 17th Australian Agronomy Conference (AAC 2015)
Number of Pages4
Year2015
Place of PublicationAustralia
Web Address (URL) of Paperhttp://www.agronomyaustraliaproceedings.org/images/sampledata/2015_Conference/pdf/agronomy2015final00420.pdf
Web Address (URL) of Conference Proceedingshttp://www.agronomyaustraliaproceedings.org/index.php/conference-2015-homepage/9-2015/560-2015indexalphaorder
Conference/Event17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015)
Event Details
17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015)
Parent
Building Productive, Diverse and Sustainable Landscapes
Event Date
20 to end of 24 Sep 2015
Event Location
Hobart, Australia
Abstract

The increase in irrigable land in the Midlands region of Tasmania presents an opportunity to increase animal production, whether it is lamb, dairy or beef. However, challenges including low rainfall (<650 mm annual average rainfall, high amounts of irrigation are required to maintain soil moisture), high summer temperatures (days >27°C) and duplex winter wet soils in this region put into question the suitability of the traditional intensive pasture base of perennial ryegrass Lolium perenne and white clover Trifolium repens. This study evaluated the performance of alternative grass and legume species under high input management for diversifying the feedbase in this region. The experiment was sown with 29 pasture treatments consisting of mixed swards and monocultures of 5 grass species (perennial ryegrass, tall fescue Festuca arundinacea, coloured brome Bromus coloratus, cocksfoot Dactylis glomerata and phalaris Phalaris hybrid) and 4 legume species (white clover, red clover Trifolium pratense, strawberry clover Trifolium fragiferum and Caucasian clover Trifolium ambiguum). The experiment was fully irrigated and nitrogen was applied at 40 kg N/ ha following each harvest event. Dry matter (DM) yield was assessed at six defoliation events between November 2014 and April 2015. Perennial ryegrass and coloured brome were the best performed grasses, with coloured brome only significantly (P<0.05) lower than perennial ryegrass on one of the six harvest dates. The addition of the 4 clover cultivars to each of the 5 grass swards made no significant difference to yield except where white clover was in combination with phalaris. This study highlights the potential of coloured brome as an alternative to perennial ryegrass in high input systems although its tolerance of waterlogging, typical in the Midlands region requires further evaluation.

KeywordsColoured brome; tall fescue; cocksfoot; phalaris; red clover; DM yield
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020300403. Agronomy
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Byline AffiliationsTasmanian Institute of Agriculture, Australia
University of Tasmania
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Pembleton, K. G.. 2015. "Plantain and chicory could potentially complement the perennial ryegrass dominant dairy feedbase." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Hobart.
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McLaren, David K. and Pembleton, Keith G.. 2015. "Comparing within paddock yield variability of perennial ryegrass monocultures and perennial ryegrass, white clover and plantain mixtures using yield mapping." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
Effect of defoliation management on expression of the ‘high sugar’ cultivar trait in Tasmania
Turner, Lydia R., Donaghy, Daniel J, Pembleton, Keith G. and Rawnsley, Richard P. 2013. "Effect of defoliation management on expression of the ‘high sugar’ cultivar trait in Tasmania." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Effect of nitrogen fertiliser applications on botanical composition
Turner, Lydia R., Donaghy, Daniel J., Pembleton, Keith G. and Rawnsley, Richard P.. 2013. "Effect of nitrogen fertiliser applications on botanical composition." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Impact of grazing on the silage yield of forage oat crops
Pembleton, Keith G., Harrison, Matthew T. and Rawnsley, Richard P.. 2013. "Impact of grazing on the silage yield of forage oat crops." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Early sowing and irrigating of rape crops in cool temperate environments boosts forage yield potential
Harrison, Matthew T., Pembleton, Keith G. and Rawnsley, Richard P.. 2013. "Early sowing and irrigating of rape crops in cool temperate environments boosts forage yield potential." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Frost risk associated with growing maize for silage on Tasmanian dairy farms
Pembleton, Keith. 2012. "Frost risk associated with growing maize for silage on Tasmanian dairy farms." Rawnsley RP (ed.) 16th Australian Agronomy Conference: Capturing Opportunities and Overcoming Obstacles in Australian Agronomy (ASA 2012). Armidale, Australia 14 - 18 Oct 2012 Armidale, Australia.
Partitioning of taproot constituents and crown bud development are affected by water deficit in regrowing alfalfa (Medicago sativa L.)
Pembleton, Keith G., Volenec, Jeffrey J., Rawnsley, Richard P. and Donaghy, Daniel J.. 2010. "Partitioning of taproot constituents and crown bud development are affected by water deficit in regrowing alfalfa (Medicago sativa L.)." Crop Science: a journal serving the international community of crop scientists. 50 (3), pp. 989-999. https://doi.org/10.2135/cropsci2009.03.0140
Yield, yield components and shoot morphology of four contrasting lucerne (Medicago sativa) cultivars grown in three cool temperate environments
Pembleton, K. G., Donaghy, D. J., Volenec, J. J., Smith, R. S. and Rawnsley, R. P.. 2010. "Yield, yield components and shoot morphology of four contrasting lucerne (Medicago sativa) cultivars grown in three cool temperate environments." Crop and Pasture Science. 61 (6), pp. 503-511. https://doi.org/10.1071/CP09351
Genotype by environment interactions of lucerne (Medicago sativa L.) in a cool temperate climate
Pembleton, K. G., Smith, R. S., Rawnsley, R. P., Donaghy, D. J. and Humphries, A. W.. 2010. "Genotype by environment interactions of lucerne (Medicago sativa L.) in a cool temperate climate." Crop and Pasture Science. 61 (6), pp. 493-502. https://doi.org/10.1071/CP09269
Effect of summer irrigation on seasonal changes in taproot reserves and the expression of winter dormancy/activity in four contrasting lucerne cultivars
Pembleton, K. G., Cunningham, S. M. and Volenec, J. J.. 2010. "Effect of summer irrigation on seasonal changes in taproot reserves and the expression of winter dormancy/activity in four contrasting lucerne cultivars." Crop and Pasture Science. 61 (11), pp. 873 - 884. https://doi.org/10.1071/CP10030
Utilising leaf number as an indicator for defoliation to restrict stem growth in rhodes grass (Chloris gayana) cv. Callide
Pembleton, K.G., Lowe, K.F. and Bahnisch, L.M.. 2009. "Utilising leaf number as an indicator for defoliation to restrict stem growth in rhodes grass (Chloris gayana) cv. Callide." Tropical Grasslands. 43, pp. 79-85.
Water deficit alters canopy structure but not photosynthesis in regrowing alfalfa (Medicago sativa L.)
Pembleton, Keith, Rawnsley, Richard P., Donaghy, Daniel J. and Volenec, Jeffrey J.. 2009. "Water deficit alters canopy structure but not photosynthesis in regrowing alfalfa (Medicago sativa L.)." Crop Science: a journal serving the international community of crop scientists. 49 (2), pp. 722-731. https://doi.org/10.2135/cropsci2008.08.0456
Waringh Waringh: a history of Aboriginal People in the Warwick Area and their Land
Parsons, David. 2003. Waringh Waringh: a history of Aboriginal People in the Warwick Area and their Land. Maryvale, Queensland. David Parsons.
Effect of defoliation interval and height on the growth and quality of Arachis pintoi cv. Amarillo
Sinclair, K., Lowe, K.F. and Pembleton, K.G.. 2007. "Effect of defoliation interval and height on the growth and quality of Arachis pintoi cv. Amarillo." Tropical Grasslands. 41 (4), pp. 260-268.
Potential of tropical forages for the Tasmanian dairy industry
Pembleton, Keith, Rawnsley, Richard, Donaghy, Danny and Chamberlain, Peter. 2006. "Potential of tropical forages for the Tasmanian dairy industry." 13th Australian Agronomy Conference 2006. Perth, Australia 10 - 14 Sep 2006 Australia. Australian Society of Agronomy.