The Healthy Soils Symposium Proceedings - Land and Water Australia

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“Elders and Landcare Australia are working together for the environment” Glenn McGrath The Elders Landcare Farming Partnership is working together to promote environmentally sustainable practices amongst Australian farmers. For further information contact your local Elders branch or visit www.elders.com.au
Welcome Investors in the Healthy Soils for Sustainable Farms programme are proud to convene a Symposium on Queensland’s Sunshine Coast. The event poses a challenging question and invites farmers, scientists, agronomists and economists to find answers. Can Australian soils sustain our agricultural systems? At this event we are confident that delegates will go home with valuable new perspectives and a better capacity to formulate their own answers. We are particularly proud of the conference programme which brings together a unique collection of speakers to focus on topical aspects of soil health. The evenings will be highly social and entertaining. The Australian Government’s Natural Heritage Trust has invested heavily in the Healthy Soils for Sustainable Farms programme, which is supported extensively by the Grains Research and Development Corporation. The Healthy Soils Symposium will showcase the value of this investment. Enthusiastic participation in the programme has demonstrated that Australian farmers genuinely want a healthy soil and that they understand there is still much to be learned about what constitutes one. We are sure you will enjoy the opportunity to learn, whilst networking with like minded people from all states of Australia. Dr Tom Davison Programme Coordinator Healthy Soils for Sustainable Farms Disclaimer: The purpose of the Symposium is to generate discussion and debate about ways to manage Australian soils for productive and environmental benefits. Presentations and the opinions expressed in the papers within these proceedings are those of the contributing speakers and do not necessarily represent the opinions or policy of Land & Water Australia, the Australian Government or the GRDC. These papers are not peer reviewed and citation of these materials requires permission from the authors. Land & Water Australia and the conference organisers, Esther Price Promotions, retain the right to make changes to the program where necessary. They will not accept liability for any damages of any nature sustained by participants or their accompanying persons or loss or damage to their personal property as a result of the Healthy Soils Symposium. They will not accept liability for any damages of any nature sustained by persons making use of the Symposium proceedings or any paper delivered or publication promoted at the Symposium. All inquiries in relation to the management of the Healthy Soils Symposium should be directed to Esther Price Promotions PO Box 75, Serpentine WA 6125 Tel: 08 9525 2663; Fax 08 9525 2532 donna@estherprice.com.au healthy soils symposium 1
Page 1: the Symposium Can Australian soils
Page 5 and 6: General Information Hosting Entity
Page 7 and 8: Terms & Conditions Cancellation Pol
Page 9 and 10: Session 1 Putting soil health into
Page 11 and 12: 3.00 Break Session 4 - Horses for c
Page 13 and 14: Farming soils in the southern agric
Page 15 and 16: Perennials As the chairperson for t
Page 17 and 18: adaptation to the changes confronti
Page 19 and 20: history has constantly taught us, t
Page 21 and 22: (t/ha) (kg/L) (kha) (t/ha, 0-25 cm)
Page 23 and 24: Andrén O, Kätterer T, Karlsson T
Page 25 and 26: can be done to modify subsoil struc
Page 27 and 28: prepared by the farm staff. A netwo
Page 29 and 30: You and your soil - “Getting the
Page 31 and 32: How does soil chemistry fit in to s
Page 33 and 34: Implementing a programme to measure
Page 35 and 36: Strategies for management of soil c
Page 37 and 38: critical concentration. The approac
Page 39 and 40: Biodynamics is frequently described
Page 41 and 42: Soil biology - How is it measured?
Page 43 and 44: Fungal/Bacterial ratio Some managem
Page 45 and 46: Soil biology - Can I manage it? The
Page 47 and 48: Subsequent workshops provide region
Page 49 and 50: So, why is this bad? (i) (ii) (iii)
Page 51 and 52: Leaching reduction Once nitrogen is
Page 53 and 54:
Denitrification reduction For denit
Page 55 and 56:
References: Neumann, G. and Romheld
Page 57 and 58:
Landscape changes start with change
Page 59 and 60:
In agriculture we have become confu
Page 61 and 62:
2002 to 2004 inclusive show increas
Page 63 and 64:
Future Resource Base A diverse
Page 65 and 66:
The looming crises of human-induced
Page 67 and 68:
to 100 kg/ha. They saw responses st
Page 69 and 70:
Defining soil carbon Jeff Baldock,
Page 71 and 72:
Figure 2. Amounts of each type of s
Page 73 and 74:
Figure 5. Average cation exchange c
Page 75 and 76:
The role of soil organic matter in
Page 77 and 78:
Carbon loss from soil Most carbon a
Page 79 and 80:
Estimating the impacts within a far
Page 81 and 82:
Decision support for identification
Page 83 and 84:
Spot test for Sulphur (qualitative
Page 85 and 86:
How much Sodium (Na) is in my soil?
Page 87 and 88:
Lime or gypsum Both lime and gypsum
Page 89 and 90:
Step 4. Management options Table 1.
Page 91 and 92:
What do some of the new tools tell
Page 93 and 94:
References. Amato, M and Ladd, J.N
Page 95 and 96:
socially efficient incentives for f
Page 97 and 98:
Technical potential The computation
Page 99 and 100:
Finally, the model constructs the s
Page 101 and 102:
Mooney, S., J.M. Antle, S.M. Capalb
Page 103 and 104:
over the long term, without these s
Page 105 and 106:
Fig. 1. Average decadal wheat yield
Page 107 and 108:
Crops are frequently limited in the
Page 109 and 110:
Also apparent is that in successive
Page 111 and 112:
The table below attempts to show th
Page 113 and 114:
Learning from long term experiments
Page 115 and 116:
LR1 provides a good platform to loo
Page 117 and 118:
A similar story was seen from MM1,
Page 119 and 120:
In a similar way, long term applica
Page 121 and 122:
Hedley MJ, White RE, Nye PH (1982)
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1). The rates used in these trials
Page 125 and 126:
fertiliser can save growers from ov
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(Norton et al., 2006) revealed a de
Page 129 and 130:
Table 7. Wheat yield, protein and g
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APPENDIX 1: DESCRIPTION OF TRIALS C
Page 133 and 134:
How Far Has Soil Health Come in the
Page 135 and 136:
11 13 15 17 19 21 23 conducted acro
Page 137 and 138:
(Rochester, 2003). However there is
Page 139 and 140:
In 2006 a grower survey benchmarkin
Page 141 and 142:
Shaw, G (2005). Soil health issues
Page 143 and 144:
A second project near Canberra is i
Page 145 and 146:
Development of molecular assays for
Page 147 and 148:
Pasture health kit This is a key ou
Page 149 and 150:
economic/production inefficiencies
Page 151 and 152:
Those farmers remaining in the indu
Page 153 and 154:
whether, when and why a particular
Page 155 and 156:
Incorporation of green crops (brass
Page 157 and 158:
Bridging the gap between scientists
Page 159 and 160:
Adequate levels of plant nutrients
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The Healthy Soils Symposium Proceedings - Land and Water Australia

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