Dr Joshua Philp

Research Interests

Animal Production Sustainable Agricultural Development

Dr Joshua Philp

School of Agriculture, Food and Wine

College of Sciences

Joshua Philp is currently allocated to ACIAR project "Management practices for profitable crop livestock systems for Cambodia and Lao PDR" as a researcher. His role is to implement and monitor the sustainable integration of improved forages into smallholder livestock farming systems.Joshua's previous research has examined the management of forages for feeding sheep in resource-constrained farming systems of northwest China.

Date Position Institution name
2020 - ongoing Research Fellow The University of Adelaide School of Agriculture, Food and Wine
2016 - 2020 Research Associate The University of Adelaide School of Agriculture, Food and Wine
2014 - 2016 Casual Academic, various roles (conducting supervisor; tutor, examiner, lecturer) Western Sydney University School of Science and Health
2014 - 2016 Tutor- Indigenous Tutorial Assistance Scheme Western Sydney University Badanami Centre for Indigenous Education
2010 - 2011 Australian Youth Ambassador For Development (Rural Development Officer) Scope Global

Language Competency
Chinese (Mandarin) Can speak and understand spoken
English Can read, write, speak, understand spoken and peer review

Date Institution name Country Title
2012 - 2018 Western Sydney University Australia Doctor of Philosophy (Science)
2010 - 2011 University of Western Sydney Australia Bachelor of Science (Honours)
2007 - 2009 University of Western Sydney Australia Bachelor of Animal Science

Date Title Institution name Country
2019 Conference Scholar The Crawford Fund Australia

Year Citation
2025 Huot, C., Philp, J. N. M., Zhou, Y., & Denton, M. D. (2025). Root Penetration Is Associated with Root Diameter and Root Growth Rate in Tropical Forage Grasses. Grasses, 4(1), 4.
DOI Scopus1
2025 Burkart, S., Mwendia, S., Karimi, P., Atieno, M., Dao, H. T., & Philp, J. (2025). Seeding solutions: Closing the ruminant feed gap through forage innovation in Southeast Asia. Crop Forage and Turfgrass Management, 11(2).
DOI Scopus1
2025 Philp, J. N. M., Chanphengsay, A., Vilay, B., Cheng, M., Phengvilaysouk, A., Phengsavanh, P., . . . Denton, M. D. (2025). Supplementation with potassium and sulfur is necessary for sustaining productivity in perennial tropical forage grasses on sandy soil. Plant and Soil, 518(2), 18 pages.
DOI
2023 Thephavanh, M., Philp, J. N. M., Nuberg, I., Denton, M., & Larson, S. (2023). Perceptions of the Institutional and Support Environment amongst Young Agricultural Entrepreneurs in Laos. Sustainability, 15(5), 4219.
DOI Scopus8 WoS7
2023 Thephavanh, M., Philp, J., Nuberg, I., & Denton, M. (2023). Exploring demographic influences on perceptions of agricultural entrepreneurship as a career choice among Lao youth. Development in Practice, 33(7), 811-824.
DOI Scopus3 WoS2
2023 Li, Q., Philp, J., Denton, M. D., Huang, Y., Wei, J., Sun, H., . . . Zhao, Q. (2023). Stoichiometric homeostasis of N:P ratio drives species-specific symbiotic N fixation inhibition under N addition. Frontiers in Plant Science, 14, 15 pages.
DOI Scopus8 WoS7 Europe PMC5
2023 Huy, S., Pheng, B., Khieu, B., Chhay, T., Philp, J. N. M., & Hidano, A. (2023). Effectiveness and implementation challenges of a livestock asset transfer intervention for smallholders in community-protected areas in Cambodia. Veterinary Medicine and Science, 9(4), 1940-1948.
DOI Scopus1 Europe PMC1
2022 Li, H., Toh, R., Wei, Y., Wang, Y., Hu, J., An, S., . . . Denton, M. D. (2022). Microbiomes across root compartments are shaped by inoculation with a fungal biological control agent. Applied Soil Ecology, 170, 104230.
DOI Scopus9 WoS8
2022 An, S., Wei, Y., Li, H., Zhao, Z., Hu, J., Philp, J., . . . Denton, M. D. (2022). Long-Term Monocultures of American Ginseng Change the Rhizosphere Microbiome by Reducing Phenolic Acids in Soil. Agriculture (Switzerland), 12(5), 1-17.
DOI Scopus12 WoS12
2022 Liu, M., Philp, J., Wang, Y., Hu, J., Wei, Y., Li, J., . . . Yang, H. (2022). Plant growth-promoting rhizobacteria Burkholderia vietnamiensis B418 inhibits root-knot nematode on watermelon by modifying the rhizosphere microbial community.. Scientific reports, 12(1), 13 pages.
DOI Scopus53 WoS45 Europe PMC20
2022 Sui, L., Li, J., Philp, J., Yang, K., Wei, Y., Li, H., . . . Wang, Y. (2022). Trichoderma atroviride seed dressing influenced the fungal community and pathogenic fungi in the wheat rhizosphere.. Scientific reports, 12(1), 12 pages.
DOI Scopus26 WoS25 Europe PMC13
2022 Bell, R. W., Seng, V., Vance, W. H., Philp, J. N. M., Hin, S., Touch, V., & Denton, M. D. (2022). Managing Sands of the Lower Mekong Basin to Limit Land Degradation: A Review of Properties and Limitations for Crop and Forage Production. Soil Systems, 6(3), 1-26.
DOI Scopus4 WoS3
2022 Thephavanh, M., Philp, J. N. M., Nuberg, I., Denton, M., & Alexander, K. (2022). Narrative Insights Reveal the Motivations of Young Agricultural Entrepreneurs in Laos. Sustainability, 14(20), 16 pages.
DOI Scopus9 WoS9
2021 Huot, C., Philp, J. N. M., Zhou, Y., & Denton, M. D. (2021). Genotypic and seasonal variation in root depth development during establishment of C4 perennial grass ecotypes. Crop and Pasture Science, 72(11), 913-925.
DOI Scopus1 WoS2
2021 Huy, S., Khieu, B., Chhay, T., Philp, J. N. M., Le, N. D., & Tran, H. T. T. (2021). Response in digestibility, growth performance, and carcass quality of local Kandol pigs to incremental levels of fermented banana stems. Tropical Animal Health and Production, 53(1), 1-6.
DOI Scopus4 Europe PMC1
2021 Philp, J. N. M., Cornish, P. S., Te, K. S. H., Bell, R. W., Vance, W., Lim, V., . . . Denton, M. D. (2021). Insufficient potassium and sulfur supply threaten the productivity of perennial forage grasses in smallholder farms on tropical sandy soils. Plant and Soil, 461(1-2), 617-630.
DOI Scopus17 WoS14
2021 Xu, T., Ai, Z., Jia, Y., Li, S., Philp, J., & Ma, F. (2021). Symbiotic nitrogen fixation contributes to divergent patterns of foliar and soil nitrogen isotopic composition in an alpine legume shrub species. Biogeochemistry, 153(1), 17-31.
DOI Scopus1
2020 Monjardino, M., Philp, J., Kuehne, G., Phimphachanhvongsod, V., Sihathep, V., & Denton, M. D. (2020). Quantifying the value of adopting a post-rice legume crop to intensify mixed smallholder farms in Southeast Asia. Agricultural Systems, 177, 12 pages.
DOI Scopus14 WoS13
2020 Huot, C., Zhou, Y., Philp, J., & Denton, M. D. (2020). Root depth development in tropical perennial forage grasses is related to root angle, root diameter and leaf area. Plant and Soil, 456(1-2), 145-158.
DOI Scopus27 WoS26
2020 Li, J., Philp, J., Li, J., Wei, Y., Li, H., Yang, K., . . . Wang, Y. (2020). Trichoderma harzianum inoculation reduces the incidence of clubroot disease in Chinese cabbage by regulating the rhizosphere microbial community. Microorganisms, 8(9), 1325-1-1325-17.
DOI Scopus56 WoS46 Europe PMC32
2019 Philp, J., Vance, W., Bell, R., Chhay, T., Boyd, D., Phimphachanhvongsod, V., & Denton, M. D. (2019). Forage options to sustainably intensify smallholder farming systems on tropical sandy soils. A review. Agronomy for Sustainable Development, 39(3), 1-19.
DOI Scopus34 WoS28
2017 Philp, J., Komarek, A. M., Pain, S. J., & Bellotti, W. (2017). Variation in feed utilisation by sheep undergoing compensatory growth following underfeeding with and without additional dietary nitrogen in western China. Animal Production Science, 57(1), 96-101.
DOI Scopus4
2016 Philp, J., Komarek, A., Pain, S., Li, X., & Bellotti, W. (2016). Improving the use of available feed resources to overcome sheep feeding deficits in western China. Animal Production Science, 56(9), 1545-1550.
DOI Scopus3
2016 Li, X., Philp, J., Cremades, R., Roberts, A., He, L., Li, L., & Yu, Q. (2016). Agricultural vulnerability over the Chinese Loess Plateau in response to climate change: exposure, sensitivity, and adaptive capacity. Ambio, 45(3), 350-360.
DOI Scopus45 Europe PMC8
2015 Robertson, M., Shen, Y., Philp, J., Hou, F., Yang, D., Yang, Z., . . . Bellotti, B. (2015). Optimal harvest timing vs. harvesting for animal forage supply: Impacts on production and quality of lucerne on the Loess Plateau, China. Grass and Forage Science, 70(2), 296-307.
DOI Scopus8
2013 Yang, Q., Wang, X., Shen, Y., & Philp, J. (2013). Functional diversity of soil microbial communities in response to tillage and crop residue retention in an eroded Loess soil. Soil Science and Plant Nutrition, 59(3), 311-321.
DOI Scopus31
Title Source Scheme Investigators Start date End date Awarded Amount 
Promoting best-practice feedbase management to deliver improved drought resilience in low to medium rainfall regions through on-farm demonstrations and case studies Department of Agriculture, Water and the Environment Future Drought Fund: Drought Resilient Soils and Landscapes Denton M, Philp J, Lee S, Peck D, Humphries A, Cavagnaro T, Pitchford W, Koopman D 01/04/2022 30/06/2024 $809,068
Facilitating adoption of agricultural system changes in Cambodia Australian Centre for International Agricultural Research Grant Philp J, Denton M 1/12/2018 31/12/2019 $35,000
Gaming as a Socioeconomic Research Tool for Lao Agricultural Scientists The Crawford Fund Training Course / Workshop Philp J 14/05/2018 1/06/2018 $12,000
Management Practices for Profitable Crop-Livestock Systems in Cambodia and Lao PDR Australian Centre for International Agricultural Research Grant Denton M, Philp J, Bell R, Vance W, Boyd D, Phengsavanh P, Hin S, Seng M, Chhay T 2016 2024 $1,142,140

$1,900,000

Date Role Research Topic Program Degree Type Student Load Student Name
2018 - 2023 Co-Supervisor Engagement of Youth in Agricultural Entrepreneurship in Laos Doctor of Philosophy Doctorate Full Time Miss Manithaythip Thephavanh
2017 - 2022 Co-Supervisor The Adaptation of Tropical Perennial Grasses to Abiotic Constraints in Sandy Soils Doctor of Philosophy Doctorate Full Time Mr Chanthy Huot

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