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2011 Book Chapter Puddling: effect on soil physical properties and cropsKirchhof, Gunnar, Tuong, T. P. and So, H. B. (2011). Puddling: effect on soil physical properties and crops. Encyclopedia of agrophysics. (pp. 667-668) edited by Jan Gliński, Józef, Horabik and Jerzy Lipiec. Dordrecht, Netherlands: Springer. doi: 10.1007/978-90-481-3585-1_129 |
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2011 Journal Article Soil organic carbon and total nitrogen under Leucaena leucocephala pastures in QueenslandRadrizzani, Alejandro, Shelton, H. Max, Dalzell, Scott A. and Kirchhof, Gunnar (2011). Soil organic carbon and total nitrogen under Leucaena leucocephala pastures in Queensland. Crop and Pasture Science, 62 (4), 337-345. doi: 10.1071/CP10115 |
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2010 Journal Article In vitro starch digestion and potassium release in sweet potato from Papua New Guinea daggerLiu, Yun, Sabboh, Houda, Kirchhof, Gunnar and Sopade, Peter (2010). In vitro starch digestion and potassium release in sweet potato from Papua New Guinea dagger. International Journal of Food Science and Technology, 45 (9), 1925-1931. doi: 10.1111/j.1365-2621.2010.02356.x |
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2009 Journal Article Sensitivity of drainage to rainfall, vegetation and soil characteristicsBah, A.R., Kravchuk, O. and Kirchhof, G. (2009). Sensitivity of drainage to rainfall, vegetation and soil characteristics. Computers And Electronics In Agriculture, 68 (1), 1-8. doi: 10.1016/j.compag.2009.03.005 |
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2009 Journal Article Fitting performance of particle-size distribution models on data derived by conventional and laser diffraction techniquesBah, A.R., Kravchuk, O. and Kirchhof, G. (2009). Fitting performance of particle-size distribution models on data derived by conventional and laser diffraction techniques. Soil Science Society of America Journal, 73 (4), 1101-1107. doi: 10.2136/sssaj2007.0433 |
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2009 Journal Article A preliminary diagnosis and recommendation integrated system (DRIS) model for diagnosing the nutrient status of sweet potato (Ipomea batatas)Ramakrishna, A., Bailey, J. S. and Kirchhof, G. (2009). A preliminary diagnosis and recommendation integrated system (DRIS) model for diagnosing the nutrient status of sweet potato (Ipomea batatas). Plant and Soil, 316 (1-2), 107-116. doi: 10.1007/s11104-008-9763-5 |
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2009 Journal Article An evaluation of nutritional constraints on sweet potato (Ipomoea batatas) production in the central highlands of Papua New GuineaBailey, J. S., Ramakrishna, A. and Kirchhof, G. (2009). An evaluation of nutritional constraints on sweet potato (Ipomoea batatas) production in the central highlands of Papua New Guinea. Plant and soil, 316 (1-2), 97-105. doi: 10.1007/s11104-008-9762-6 |
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2009 Book Chapter An analysis of village garden management in the Papua New Guinea highlandsWegener, M., Kirchhof, G. and Wilson, T. (2009). An analysis of village garden management in the Papua New Guinea highlands. Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. (pp. 88-94) edited by Gunnar Kirchhof. Canberra, ACT, Australia: Australian Centre for International Agricultural Research. |
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2009 Book Chapter Soil management in the northern Guinea savanna of NigeriaKirchhof, G., Odunze, A. C. and Salako, F. K. (2009). Soil management in the northern Guinea savanna of Nigeria. Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. (pp. 43-48) edited by Gunnar Kirchhof. Canberra, ACT, Australia: Australian Centre for International Agricultural Research. |
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2009 Book Chapter Survey methodology to assess socioeconomic and biophysical constraints—lessons learnt in the highlands of Papua New GuineaKirchhof, G., Taraken, I.T., Ratsch, R., Kapal, D. and Igua, P. (2009). Survey methodology to assess socioeconomic and biophysical constraints—lessons learnt in the highlands of Papua New Guinea. Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. (pp. 70-78) edited by Gunnar Kirchhof. Canberra, ACT, Australia: Australian Centre for International Agricultural Research. |
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2009 Book Chapter Biophysical constraints of sweetpotato-based cropping systems in the Papua New Guinea highlandsKirchhof, Gunnar, Taraken, Issac T., Ramakrishna, Akkinapally, Ratsch, Rainer and Igua, Passinghan (2009). Biophysical constraints of sweetpotato-based cropping systems in the Papua New Guinea highlands. Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. (pp. 95-109) edited by Gunnar Kirchhof. Canberra, A.C.T., Australia: Australian Centre for International Agricultural Research. |
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2009 Book Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New GuineaGunnar Kirchhof ed. (2009). Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. ACIAR technical reports, Canberra, ACT, Australia: Australian Centre for International Agricultural Research. |
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2009 Book Chapter Overview of soil conservation technologies and their perception by farmers in NigeriaJunge, B., Deji, O., Abaidoo, R., Chikoye, D. and Kirchhof, G. (2009). Overview of soil conservation technologies and their perception by farmers in Nigeria. Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. (pp. 49-59) edited by Gunnar Kirchhof. Canberra, ACT, Australia: Australian Centre for International Agricultural Research. |
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2009 Book Chapter Statistical methods for a soil fertility management survey analysis in Papua New GuineaKravchuk, O., Wilson, T. and Kirchhof, G. (2009). Statistical methods for a soil fertility management survey analysis in Papua New Guinea. Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. (pp. 79-87) edited by Gunnar Kirchhof. Canberra, ACT, Australia: Australian Centre for International Agricultural Research. |
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2009 Conference Publication Digestibility of starch and potassium in sweetpotato from Papua New GuineaLiu, Y., Sabboh, H., Kirchhof, G. and Sopade, P. A. (2009). Digestibility of starch and potassium in sweetpotato from Papua New Guinea. 15th Triennial Symposium of the International Society for Tropical Root Crops, Lima, Peru, 2-6 November 2009. Peru: International Society for Tropical Root Crops. |
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2009 Book Chapter Changing tillage management practices and their impact on soil structural properties in north-western New South Wales, AustraliaKirchhof, Gunnar and Daniells, Ian (2009). Changing tillage management practices and their impact on soil structural properties in north-western New South Wales, Australia. Soil fertility in sweetpotato-based cropping systems in the highlands of Papua New Guinea. (pp. 60-69) edited by Gunnar Kirchhof. Canberra, ACT, Australia: Australian Centre for International Agricultural Research. |
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2008 Journal Article Influence of hydraulic loading and effluent flux on surface surcharging in soil absorption systemsBeal, C.D., Rassam, D.W., Gardner, E.A., Kirchhof, G. and Menzies, N. W. (2008). Influence of hydraulic loading and effluent flux on surface surcharging in soil absorption systems. Journal of Hydrologic Engineering, 13 (8), 681-692. doi: 10.1061/(ASCE)1084-0699(2008)13:8(681) |
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2008 Journal Article Relationships between important soil variables in moderately acidic soils (ph>5.5)in the highlands of Papua New Guinea and management implications for subsistence farmersBailey, J.S., Ramakrishna, A. and Kirchhof, G. (2008). Relationships between important soil variables in moderately acidic soils (ph>5.5)in the highlands of Papua New Guinea and management implications for subsistence farmers. Soil Use And Management, 24 (3), 281-291. doi: 10.1111/j.1475-2743.2008.00161.x |
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2008 Journal Article An evaluation of Colwell-P as a measure of plant-available phosphorus in soils of volcanic and non-volcanic origins in the highlands of Papua New GuineaKirchhof, G., Ramakrishna, K. and Bailey, J.S. (2008). An evaluation of Colwell-P as a measure of plant-available phosphorus in soils of volcanic and non-volcanic origins in the highlands of Papua New Guinea. Soil Use And Management, 24 (4), 331-336. doi: 10.1111/j.1475-2743.2008.00160.x |
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2008 Conference Publication Soil fertility assessment of soils in the highlands of Papua New GuineaKirchhof, G. and Ramakrishna A. (2008). Soil fertility assessment of soils in the highlands of Papua New Guinea. Soils2008 Conference – Soil, the living skin of planet Earth, Palmerston North, New Zealand, 1-5 December 2008. New Zealand: AGMARDT. |
