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2022 Journal Article Responses of soil organic carbon, aggregate diameters, and hydraulic properties to long-term organic and conventional farming on a Vertisol in IndiaSchweizer, Steffen A., Graf-Rosenfellner, Markus, Bhat, Nisar A., Kayser, Gilles, Sisodia, Bhupendra S., Kirchhof, Gunnar, Zikeli, Sabine, Cadisch, Georg and Bhullar, Gurbir S. (2022). Responses of soil organic carbon, aggregate diameters, and hydraulic properties to long-term organic and conventional farming on a Vertisol in India. Land Degradation and Development, 33 (5), 785-797. doi: 10.1002/ldr.4216 |
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2021 Journal Article 50 years of continuous no-tillage, stubble retention and nitrogen fertilization enhanced macro-aggregate formation and stabilisation in a VertisolHati, Kuntal M., Jha, Pramod, Dalal, Ram C., Jayaraman, Somasundaram, Dang, Yash P., Kopittke, Peter M., Kirchhof, Gunnar and Menzies, Neal W. (2021). 50 years of continuous no-tillage, stubble retention and nitrogen fertilization enhanced macro-aggregate formation and stabilisation in a Vertisol. Soil and Tillage Research, 214 105163, 1-11. doi: 10.1016/j.still.2021.105163 |
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2021 Journal Article Gamma irradiation with 50 kGy has a limited effect on agronomic properties of air-dry soilWehr, J. Bernhard and Kirchhof, Gunnar (2021). Gamma irradiation with 50 kGy has a limited effect on agronomic properties of air-dry soil. Soil Systems, 5 (2) 28, 28. doi: 10.3390/soilsystems5020028 |
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2018 Journal Article Management of the major chemical soil constraints affecting yields in the grain growing region of Queensland and New South Wales, Australia – a reviewPage, K. L., Dalal, R. C., Wehr, J. B., Dang, Y. P., Kopittke, P. M., Kirchhof, G., Fujinuma, R. and Menzies, N. W. (2018). Management of the major chemical soil constraints affecting yields in the grain growing region of Queensland and New South Wales, Australia – a review. Soil Research, 56 (8), 765-779. doi: 10.1071/sr18233 |
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2018 Journal Article Root zone temperature alters storage root formation and growth of sweetpotatoTaranet, P., Kirchhof, G., Fujinuma, R. and Menzies, N. (2018). Root zone temperature alters storage root formation and growth of sweetpotato. Journal of Agronomy and Crop Science, 204 (3), 313-324. doi: 10.1111/jac.12262 |
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2018 Journal Article Intensified sweetpotato production in Papua New Guinea drives plant nutrient decline over the last decadeFujinuma, Ryosuke, Kirchhof, Gunnar, Ramakrishna, Akkinapally, Sirabis, William, Yapo, Jeffery, Woruba, Deane, Gurr, Geoff and Menzies, Neal (2018). Intensified sweetpotato production in Papua New Guinea drives plant nutrient decline over the last decade. Agriculture, Ecosystems & Environment, 254, 10-19. doi: 10.1016/j.agee.2017.11.012 |
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2017 Journal Article The effect of salinity on plant-available waterSheldon, Anna R., Dalal, Ram C., Kirchhof, Gunnar, Kopittke, Peter M. and Menzies, Neal W. (2017). The effect of salinity on plant-available water. Plant and Soil, 418 (1-2), 477-491. doi: 10.1007/s11104-017-3309-7 |
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2017 Journal Article Growth and yield response of glasshouse- and field-grown sweetpotato to nitrogen supplyTaranet, Prapa, Harper, Stephen, Kirchhof, Gunnar, Fujinuma, Ryosuke and Menzies, Neal (2017). Growth and yield response of glasshouse- and field-grown sweetpotato to nitrogen supply. Nutrient Cycling in Agroecosystems, 108 (3), 309-321. doi: 10.1007/s10705-017-9858-6 |
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2016 Journal Article Pests, diseases and crop protection practices in the smallholder sweetpotato production system of the highlands of Papua New GuineaGurr, G.M., Johnson, A.C., Waruba, D.N., Kirchhof, G., Fujinuma, R., Sirabis, W., Jeffery, Y. and Akkinapally, R. (2016). Pests, diseases and crop protection practices in the smallholder sweetpotato production system of the highlands of Papua New Guinea. PeerJ, 4 (12) e2703, e2703. doi: 10.7717/peerj.2703 |
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2016 Journal Article Pests, diseases and crop protection practices in the smallholder sweetpotato production system of the highlands of Papua New GuineaGurr, Geoff M., Liu, Jian, Johnson, Anne C., Woruba, Deane N., Kirchhof, Gunnar, Fujinuma, Ryosuke, Sirabis, William, Jeffery, Yapo and Akkinapally, Ramakrishna (2016). Pests, diseases and crop protection practices in the smallholder sweetpotato production system of the highlands of Papua New Guinea. PeerJ, 4 (12) e2703. doi: 10.7287/peerj.preprints.2394 |
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2014 Journal Article Early response of soil properties and function to riparian rainforest restorationGageler, Rose, Bonner, Mark, Kirchhof, Gunnar, Amos, Mark, Robinson, Nicole, Schmidt, Susanne and Shoo, Luke P. (2014). Early response of soil properties and function to riparian rainforest restoration. PLoS One, 9 (8) e104198, e104198.1-e104198.8. doi: 10.1371/journal.pone.0104198 |
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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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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 |
