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2005

Conference Publication

Interpretation of tissue analysis for potassium nutrition in tropical root crops dependent on sodium concentration

O'Sullivan, J. N., Ivahupa, S., Asher, C. J. and Blamey, F. P. C (2005). Interpretation of tissue analysis for potassium nutrition in tropical root crops dependent on sodium concentration. Fifteenth International Plant Nutrition Colloquium, Beijing, China, 14-19 September 2005. Beijing, China: Tsinghua University Press.

Interpretation of tissue analysis for potassium nutrition in tropical root crops dependent on sodium concentration

2005

Conference Publication

Development of a computer-based extension support tool for diagnosising problems in sweetpotato crops

O'Sullivan, J. O., Norton, G., Amante, V. and Vasquez, E. (2005). Development of a computer-based extension support tool for diagnosising problems in sweetpotato crops. 1st International Symposium on Root and Tuber Crops: Food Down Under, Palmerston North, New Zealand, 9-12 February 2004. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2005.670.15

Development of a computer-based extension support tool for diagnosising problems in sweetpotato crops

2004

Conference Publication

Improved fallow and live-staking of yam using Gliricidia sepium in Papua New Guinea

Ernest, James and O'Sullivan, Jane (2004). Improved fallow and live-staking of yam using Gliricidia sepium in Papua New Guinea. 4th International Crop Science Congress, Brisbane, Australia, 26 September-1 October 2004. Gosford, N.S.W., Australia: The Regional Institute.

Improved fallow and live-staking of yam using Gliricidia sepium in Papua New Guinea

2004

Conference Publication

Comparison of soil tests with plant response to nutrients in selected soils of Vanuatu

Melteras, Marie, O'Sullivan, Jane, Asher, Colin and Lebot, Vincent (2004). Comparison of soil tests with plant response to nutrients in selected soils of Vanuatu. 4th International Crop Science Congress, Brisbane, Australia, 26 September-1 October 2004. Gosford, N.S.W., Australia: The Regional Institute.

Comparison of soil tests with plant response to nutrients in selected soils of Vanuatu

2004

Conference Publication

Development of a matrix-based, multi-media diagnostic key to sweetpotato problems

O'Sullivan, Jane, Norton, Geoff, Amante, Vilma and Vasquez, Erlinda (2004). Development of a matrix-based, multi-media diagnostic key to sweetpotato problems. 4th International Crop Science Congress, Brisbane, Australia, 26 September-1 October 2004. Gosford, N.S.W., Australia: The Regional Institute.

Development of a matrix-based, multi-media diagnostic key to sweetpotato problems

2002

Conference Publication

Nutrient deficiences in greater yam (Dioscorea alata) and their effects on leaf nutrient concentrations

O'Sullivan, J. N., Jenner, R. and Edwards, D. G. (2002). Nutrient deficiences in greater yam (Dioscorea alata) and their effects on leaf nutrient concentrations. 12th Symposium of the Intern'l Society for Tropical Root Crops, Tsukuba, Japan, 10-16 September, 2000. Tsukuba, Japan: Organising Committee of ISTRAC2000.

Nutrient deficiences in greater yam (Dioscorea alata) and their effects on leaf nutrient concentrations

2001

Conference Publication

Leaf litter decomposition of Piper aduncum, Gliricidia sepium and Imperata cylindrica in the humid lowlands of Papua New Guinea

Hartemink, Alfred E. and O'sullivan, J. N. (2001). Leaf litter decomposition of Piper aduncum, Gliricidia sepium and Imperata cylindrica in the humid lowlands of Papua New Guinea. doi: 10.1023/A:1004868502539

Leaf litter decomposition of Piper aduncum, Gliricidia sepium and Imperata cylindrica in the humid lowlands of Papua New Guinea

2001

Conference Publication

Selecting sweet potato genotypes tolerant of specific environmental constraints

O'Sullivan, J. N., Humphrey, B. and Igua, P. (2001). Selecting sweet potato genotypes tolerant of specific environmental constraints. Food Security for Papua New Guinea, PNG University of Technology, Lae, 26-30 June, 2000. Canberra, ACT: ACAIR.

Selecting sweet potato genotypes tolerant of specific environmental constraints

2001

Conference Publication

Integrated nutrient management research on sweet potato at Hobu, Morobe Province

Hartemink, A. E., Poloma, S. and O'Sullivan, J. N. (2001). Integrated nutrient management research on sweet potato at Hobu, Morobe Province. Food Security for Papua New Guinea, PNG University of Technology, Lae, 26-30 June, 2000. Canberra, ACT: ACIAR.

Integrated nutrient management research on sweet potato at Hobu, Morobe Province