Publications

Phase 2: 

• Naveen K. Purushothaman, Tom Swan, Kanika Singh, Chris Fidelis, Israr Majeed, David Yinil, Budiman Minasny, Bhabani S. Das, Damien J. Field (2025). Diffuse Reflectance Spectroscopy for Soil Testing Under Different Soil Nutrient Management in Cocoa Production Systems. Soil Use and Management.
• Emma Kiup, Tom Swan, Damien Field (2025). Soil management practices in coffee farming systems in the Asia-Pacific region and their relevance to Papua New Guinea: A systematic review. Soil Use and Management.
• Swan, T., McBratney, A., Field, D. (2024). Linkages between Soil Security and One Health: implications for the 2030 Sustainable Development Goals. Frontiers in Public Health, 12.
• Majeed, I., et al. (2024). “Diffuse reflectance spectroscopy for assessing soil quality indicators in cocoa production system validated using multi‐year data.” Soil Use and Management 40(2).
• Singh, K., et al. (2023). “E-Agriculture Planning Tool for Supporting Smallholder Cocoa Intensification Using Remotely Sensed Data.” Remote Sensing 15(14): 3492.

Phase 1: 

• Singh K., Sanderson T., Field D. J., Fidelis C., Yinil D. (2019). Soil security for developing and sustaining Papua New Guinea soil under cocoa. Geoderma Regional, 17, e00212.
• Singh K., Vasava H., Snoeck D., Das B., Yinil D., Field D. J., Sanderson T., Fidelis C., Majeed I., Panigrahi N. (2019). Assessment of cocoa fertiliser needs using soil types and soil spectral analysis. Soil Use and Management, 1 – 11.
• Singh K., Majeed I., Panigrahi N., Vasava H. B., Fidelis C., Karunaratne S., Bapiwai P., Yinil D., Sanderson T., Snoeck D., Das B. S., Minasny B., Field D. J. (2019). Near Infrared Diffuse Reflectance Spectroscopy for Rapid and Comprehensive Soil Condition Assessment in Smallholder Cocoa Farming Systems of Papua New Guinea. Catena, 183, 104185.
• Singh, Kanika; Aitkenhead, Matt ; Fidelis, Chris ; Yinil, David ; Sanderson, Todd ; Snoeck, Didier ; Field, Damien. (2020). Optimisation of spectral preprocessing for estimating soil condition on small farms. Soil Use and Management. 10.1111/sum.12684.
• Hannet, Godfrey ; Singh, Kanika ; Fidelis, Chris ; Farrar, Michael ; Muqaddas, Bushra ; Hosseini Bai, Shahla. (2021). Effects of biochar, compost, and biochar-compost on soil total nitrogen and available phosphorus concentrations in a corn field in Papua New Guinea. Environmental Science and Pollution Research. 10.1007/s11356-021-12477-w.
• Shahla Hosseini Bai, Kanika Singh, Godfrey Hannet, Birte Komolong, David Yinil, Damien J Field, Marta Gallart, Helen M Wallace (2021). Leaf litter species affect decomposition rate and nutrient release in a cocoa plantation. Agriculture, Ecosystems & Environment. https://doi.org/10.1016/j.agee.2021.107705.
• Singh, Fuentes, Fidelis, Yinil, Snoeck, Sanderson, Minasny and Field (2021). Cocoa suitability mapping using multi-criteria decision making: an agile step towards soil security. Soil Security. 10.1016/j.soisec.2021.100019.
• Singh, K., Yu, F., Sanderson, T., Fidelis, C., Yinil, D., & Field, D. J. (2022). Building an impact pathway framework for a project through soil connectivity. Soil Security, 6, 100045.