The information contained in this publication is based on knowledge and understanding at the time of writing (June 2017) and may not be accurate, current or complete. The State of New South Wales (including the NSW Department of Industry), the author and the publisher take no responsibility, and will accept no liability, for the accuracy, currency, reliability or correctness of any information included in the document (including material provided by third parties). Readers should make their own inquiries and rely on their own advice when making decisions related to material contained in this publication. The product trade names in this publication are supplied on the understanding that no preference between equivalent products is intended and that the inclusion of a product name does not imply endorsement by the department over any equivalent product from another manufacturer.
| Researcher(s) |
Douglas Alcock (Graz Prophet Consulting) Jason Condon (Charles Sturt University) Mark Conyers (NSW DPI) Richard Greene (Australian National University) Stephen Morris (NSW DPI) Brian Murphy (NSW Office of Environment) Susan Orgill (NSW DPI) |
|---|---|
| Year(s) | 2016 |
| Contributor | Department of Primary Industries NSW |
| Trial location(s) |
Berridale, NSW
|
| Further information | View external link |
This study compared OC and nitrogen (N) stocks at the conclusion of a five-year grazing trial on a fertilised native pasture in south-eastern Australia.
• Grazing treatment had no influence on pasture sward composition when averaged over seasons.
• Grazing, rather than the type of grazing management, increased soil carbon under native pastures.
• Soil under cell-grazed pastures had a significantly greater carbon stock to 0.30 m compared with ungrazed pastures (32.9 t C/ha vs 25.6 t C/ha), however, there was no difference between cell and tactically grazed (29.5 t C/ha) pastures.
| Lead research organisation | N/A |
|---|---|
| Host research organisation | N/A |
| Related program | N/A |
| Acknowledgments |
The authors would like to acknowledge the Monaro Research, Development and Demonstration of Sustainable Grassland Management Project 2005–10 for trial and pasture data. This paper was part of a PhD thesis through Charles Sturt University and is published in the journal: Land Degradation & Development. DOI: 10.1002/ldr.2560. |
| Other trial partners | Not specified |
| Crop type | Other crop: Grasses |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow date | Not applicable |
|---|---|
| Harvest date | Not applicable |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser |
The grazing treatments selected for this study were located within a high fertiliser treatment, with subterranean clover (Trifolium subterraneum) broadcast before grazing started. The high fertiliser treatment aimed to rapidly achieve the Colwell P target (>30 mg/kg) with 250 kg/ha of single superphosphate applied annually in autumn, after which the maintenance phosphorus (P) was applied based on the stocking rate. In 2006, gypsum (125 kg/ha) was applied to address sulphur (S) deficiencies. |
| Other trial notes |
This research paper is an extract from the publication Southern NSW Research Results 2017, available at |
SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to
construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol
16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.
