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Evaluation of short-term fodder options between cropping phases in Tasmania


Dean, GJ and Merry, AM and Smith, RW, Evaluation of short-term fodder options between cropping phases in Tasmania, Proceedings of the 17th Australian Society of Agronomy Conference, 20-24 September 2015, Hobart, Australia, pp. 1-4. (2015) [Refereed Conference Paper]

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Copyright 2015 Australian Society of Agronomy Inc.

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Irrigated forage crops sown in autumn increase land utilisation compared to the common practice in Northern Tasmania of grazing crop stubbles over winter. However, there is little information on which crops best suit this short cropping phase prior to sowing an irrigated winter/spring crop such as poppies or green peas. The aim of this study was to evaluate a diverse range of forage species and varieties that provide the most valuable grazing over autumn and winter. Thirty four varieties of cereals, grasses, legumes and other broadleaf species were selected and dry matter production and nutritive value evaluated.

There was significant variation in DM yields both between and within species. The highest cumulative total DM production for the season (5 5.5 t ha-1) was from annual ryegrass and cereals with winter habit. The main production difference between varieties was the timing of maximum growth. Spring varieties of cereals, canola and grain legumes showed rapid early growth but damage to growing points with removal of dry matter reduced subsequent regrowth. In contrast, there was minimal damage to slower growing winter cereals with more prostrate early growth. This work highlights the importance of species and variety selection when determining optimal feed production.

Item Details

Item Type:Refereed Conference Paper
Keywords:forage, intensive grazing, integrated cropping
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Crop and pasture production
Research Field:Agronomy
Objective Division:Animal Production and Animal Primary Products
Objective Group:Pasture, browse and fodder crops
Objective Field:Browse crops
UTAS Author:Dean, GJ (Mr Geoffrey Dean)
UTAS Author:Merry, AM (Dr Angela Merry)
UTAS Author:Smith, RW (Dr Rowan Smith)
ID Code:107220
Year Published:2015
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2016-03-08
Last Modified:2016-08-02

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