Personal profile
Personal profile
Dr Culas's areas of research interests are within agricultural, environmental and development economics and agricultural business management. He has led and contributed to projects funded by sources such as Soil CRC, ACIAR, Horticultural Innovation Australia, The Crawford Fund and CSU. His research experiences include cross-country analyses, regional and household level case studies from several countries, and the application of econometric methods.
Recent research activities
- Assessing benefits of organic fertilizer use in agriculture to improve soil health, farm profitability, and carbon market opportunity for Australian farmers
- Agricultural trade policy and value chain analysis (worked on China-Australia Free Trade Agreement, and on other Australian Free Trade Agreements, for their impacts on Australian agriproducts trade)
- Socioeconomic analysis of groundwater use and irrigation management to enhance farming livelihood (Pakistan as a case study)
- Policy analysis of agricultural productivity, food security, and poverty reduction (in relation to Cambodia, Bangladesh, PNG, Zambia and Malawi)
- Modelling agricultural land use and enterprise diversification (in Australian and Norwegian farming systems)
- Drivers of deforestation and REDD policies (relating to the UN-REDD programme)
Research Interests
- Agricultural economics
- Environmental economics
- Development economics
- Agricultural business management
Fields of Research (FOR):
380101 Agricultural economics
380105 Environment and resource economics
380110 International economics
300208 Farm management, rural management and agribusiness
Professional Information
External Appointments & Memberships:
Qatar National Research Fund (expert reviewer)
External examiner for PhD theses (for Australian and overseas universities)
Peer-Reviewer for international journals (in the areas of economics, science and policy)
Honorary scholar/scientist, University of Agriculture, Faisalabad, Pakistan
Member of the Australasian Agricultural and Resource Economics Socieity (AARES)
President, AARES NSW Branch (2026)
Editorial roles on journals:
Australasian Agribusiness Journals (co-editor)
Sustainability (Topical advisory panel)
Frontiers in Environmental Economics (Review editor)
BUITEMS Journal of Social Sciences and Humanities (Editorial board member)
International Journal of Climate Change: Impacts & Responses (Associate Editor)
Teaching
- AGB110 Agricultural Economics
- AGB351 Commodity Trade and Pricing
- AGB440 Resource Economics (PG)
- AGB533 Agribusiness Management (PG)
- AGB550 International Agriproduct Trade (PG)
- AGR502 Special Topic 2 (Food Security, PG)
- AHT231 Agricultural Finance and Business Management
- AGS551 Agricultural Production and Food Systems (PG)
- AGR610 Sustainable Agriculture Dissertation (Coordinator)
Education/Academic qualification
Master of Economics, Norwegian School of Economics (NHH)
Master of Science (Agricultural Economics), Norwegian University of Life Sciences
Doctor of Philosophy (Economics), The University of Sydney
Bachelor of Science (Agriculture), University of Peradeniya
Subject keywords
- Economics, Agriculture, Water, Agribusiness, Food Security
Registered Supervisor
- Yes
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 1 No Poverty
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SDG 2 Zero Hunger
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SDG 4 Quality Education
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SDG 6 Clean Water and Sanitation
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SDG 8 Decent Work and Economic Growth
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SDG 10 Reduced Inequalities
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SDG 12 Responsible Consumption and Production
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SDG 13 Climate Action
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SDG 15 Life on Land
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SDG 17 Partnerships for the Goals
Fingerprint
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Collaborations and top research areas from the last five years
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A framework for evaluating benefits of organic fertilizer use in agriculture
Culas, R. J., Rajin Anwar, M. & Maraseni, T. N., Mar 2025, In: Journal of Agriculture and Food Research. 19, 13 p., 101576.Research output: Contribution to journal › Article › peer-review
Open AccessFile14 Link opens in a new tab Citations (Scopus)55 Downloads (Pure) -
Assessing economic impacts of organic fertilizer use in agriculture
Culas, R., 2025. 1 p.Research output: Other contribution to conference › Abstract › peer-review
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Assessing the financial impacts of organic fertiliser use in agriculture - Research findings fact sheet
Culas, R., 23 Nov 2025, Soil CRC.Research output: Resource/document › Communication
Open Access -
Regenerative agriculture and adaptive capacity of farmers
Mansfield, W. & Culas, R. J., 25 Aug 2025, In: Current Science. 129, 4, p. 320-328 9 p.Research output: Contribution to journal › Review article › peer-review
Open AccessFile65 Downloads (Pure) -
The economic and agricultural impacts of biogas technology on small-scale farms in Indonesia: A case study in Bali and Lombok
Smith, A. & Culas, R. J., 01 May 2025, Agricultural research updates. Gorawala, P. & Mandhatri, S. (eds.). United States: Nova Science Publishers, Vol. 49. p. 1-48 48 p. (Agricultural Research Updates (Numbered Series)).Research output: Book chapter/Published conference paper › Chapter (peer-reviewed) › peer-review
Prizes
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Deputy Vice Chancellor's Team Award for Research Excellence 2016, Charles Sturt University
Culas, R. (Recipient), 2016
Prize: Award › Internal award
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Emerald Literati Award "Outstanding Reviewer 2018", Emerald Publishing
Culas, R. (Recipient), 2018
Prize: Award › External award
Activities
- 1 Professional and scholarly communities reflection
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Developing approaches for risk management in Australian agriproducts trade (for example, wheat export as a case study), in relation to teaching of the subject AGB351 Commodity Trade & Pricing (and its paired subject AGB550 International Agriproduct Trade).
Culas, R. (Speaker)
11 Jan 2022 → 11 Jan 2023Activity: Scholarly activities in Learning and Teaching reflection › Professional and scholarly communities reflection
Press/Media
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New Climate Change Study Findings Reported from Charles Sturt University (Regenerative Agriculture and Adaptive Capacity of Farmers)
29/10/25
1 item of Media coverage
Press/Media: Press / Media
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Why organic fertilisers could be a good alternative to traditional chemicals
16/05/25
1 Media contribution
Press/Media: Press / Media
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Why organic fertilisers could be a good alternative to traditional chemicals
15/05/25
1 item of Media coverage
Press/Media: Press / Media
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Charles Sturt University: Research Shows Cost Effective Fertilizer Alternative for Farmers
23/04/25
1 item of Media coverage
Press/Media: Press / Media