Producing Quality Oat Hay

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side of the vehicle to the other, while fore-aft (or longitudinal) load shift brings about a change in load distribution between axle groups, which can affect roll stability and braking performance. A commonly accepted threshold for safe lateral load shift is 100mm. Research conducted by Roaduser Systems Ltd and funded by RIRDC, showed that the maximum lateral movement for all of the properly restrained loads tested is less than 100mm. The load shift at the centre-ofgravity is less than 50mm, which represents a movement of around 3% of the axle track width. Longitudinally, this equates to an effective centre-of-gravity shift of around 300mm based on trailer wheelbase. This research also found that there are small but worthwhile benefits gained by using more effective load restraint methods such as double-strapping or “double-dogging” of single straps (one load binder on each side of the load for a single strap). It was found that the use of a diagonal bracing strap provided an enormous improvement on load stability. The research recommends that diagonal bracing straps are used for securing all groups of bales on a semi-trailer, two per group of bales, at opposing angles (Image 8.4). Fore-aft load restraint is sufficient when bales are restrained by two individual straps, each tensioned at one end by an under-floor winch. The straps should be placed at an angle to the vertical (except for the foremost and rearmost straps, and straps on bales running across the bed of the trailer). This method satisfies both lateral and fore-aft load restraint requirements. PRODUCING QUALITY OAT HAY Information in this section is based on research by Roaduser Systems Pty Ltd executed on behalf of RIRDC. The full report references are: Di Cristoforo, R. & Sweatman, P.F. (2003), Testing and simulation of hay bale loading on semi-trailers, Rural Industries Research and Development Corporation Publication 03/120 Project ROA-1A. Di Cristoforo, R. & Sweatman, P.F. (2004), Further testing and simulation of hay bale loading on semi-trailers, Rural Industries Research and Development Corporation Publication 04/124 Project ROA-2A. Image 8.4 Fore-aft load restraint is sufficient when bales are restrained by two individual straps, each tensioned at one end by an under-floor winch. The straps should be placed at an angle to the vertical except for the foremost and rearmost straps, and straps on bales running across the bed of the trailer – source Roaduser Systems Pty. Ltd. 83
Useful resources Australian Fodder Industry (AFIA) www.afia.org.au Latest variety information SARDI www.sardi.sa.gov.au Department of Agriculture and Food WA www.agric.wa.gov.au Other state department websites Seed company websites Plant Breeders Rights www.affa.gov.au/content/pbr_database/search.cfm RIRDC www.rirdc.gov.au/fullreports/index.html ARGT Testing www.argt.com.au <strong>Hay</strong> sampling for export www.aqis.gov.au Shear test calibration standards contact jblack@pnc.com.au, Shear measurements of hay samples contact bscn@bigpond.com 84 PRODUCING QUALITY OAT HAY
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Producing Quality Oat Hay
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Acknowledgements Authors Pamela Zwe
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The oat hay year planner Between cr
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Zadoks Stage Growth Code Activity C
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Foreword Growing Oat Hay was first
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Chapter 1 Why grow oat hay? Growing
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Table 1.1 Gross margin in dollars p
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Chapter 2 Is oat hay a viable choic
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Chapter 3 What the market wants? Do
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Hay for export Over the past five y
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Figure 3.5 Overview of the Australi
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Objective measurement and chemical
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Chapter 4 Disease of oats A wide ra
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Leaf and stem diseases - fungi Stem
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Septoria Leaf Blotch, Septoria aven
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Leaf and stem diseases - bacteria F
Page 34 and 35: Root Diseases - nematodes Nematodes
Page 36 and 37: Root Lesion Nematode, Pratylenchus
Page 38 and 39: Take-all, Gaeumannomyces graminis v
Page 40 and 41: Chapter 5 Variety selection for hay
Page 42 and 43: Swan Swan is a tall mid season vari
Page 44 and 45: Seed purchased for sowing to produc
Page 46: Table 5.4a Agronomic and hay qualit
Page 49 and 50: Herbicide residues Some herbicide r
Page 51 and 52: Higher plant populations produce hi
Page 53 and 54: Figure 6.1a Sown round and round -
Page 55 and 56: oadcast or deep banded at seeding.
Page 57 and 58: Weed control Impact on hay quality
Page 59 and 60: Image 6.8 Pre seeding weed control
Page 61 and 62: Insect control Oat hay crops are da
Page 63 and 64: 62 PRODUCING QUALITY OAT HAY Figure
Page 65 and 66: Ripe grain in hay is undesirable to
Page 67 and 68: Plants leaning at different angles
Page 69 and 70: Curing For every one tonne of hay b
Page 71 and 72: Figure 7.4 The impact of rainfall a
Page 73 and 74: Image 7.7 The windrow before (L) an
Page 75 and 76: Testing moisture content A moisture
Page 77 and 78: Handling can be easier if the bale
Page 80 and 81: Chapter 8 Storage and transport Hay
Page 82 and 83: Time line Spontaneous fires in stac
Page 86: Producing Quality Oat Hay The marke
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