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Comparison of stubble management strategies in the high rainfall zone


Dean, GJ and Merry, AM, Comparison of stubble management strategies in the high rainfall zone, 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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Heavy crop stubble loads in the high rainfall zone are a consequence of higher grain crop yields compared with other grain growing areas of Australia. A stubble management trial was established in northern Tasmania to evaluate different stubble management options. Five stubble management strategies were compared: stubble fully retained; fully retained with higher sowing rate; incorporated; cut and removed; and burnt. The trial was a randomised complete block design with four replicates and large plots, 50 by 8 m. This paper reports on wheat growth and grain yields for the 2010 season. Full retention of stubble resulted in greater soil moisture early in the season and higher earthworm and slug populations. Plant establishment is commonly a problem with full stubble retention. The higher sowing rate treatment resulted in a correspondingly higher plant establishment and dry matter production at harvest. There were no significant differences in grain yield.

Item Details

Item Type:Refereed Conference Paper
Keywords:direct drill, stubble retention, conservation cropping
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Agriculture, land and farm management
Research Field:Agricultural systems analysis and modelling
Objective Division:Plant Production and Plant Primary Products
Objective Group:Grains and seeds
Objective Field:Wheat
UTAS Author:Dean, GJ (Mr Geoffrey Dean)
UTAS Author:Merry, AM (Dr Angela Merry)
ID Code:107222
Year Published:2015
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2016-03-08
Last Modified:2018-04-05

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