Search Results - "Bristow, K. L."

On the Value of Soil Resources in the Context of Natural Capital and Ecosystem Service Delivery by Robinson, D. A., Fraser, I., Dominati, E. J., Davíðsdóttir, B., Jónsson, J. O. G., Jones, L., Jones, S. B., Tuller, M., Lebron, I., Bristow, K. L., Souza, D. M., Banwart, S., Clothier, B. E.

“…The ecosystem services approach endeavors to incorporate the economic value of ecosystems into decision making. This is because many natural resources are…”
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Modelling nitrogen leaching: Are we getting the right answer for the right reason? by van der Laan, M., Annandale, J.G., Bristow, K.L., Stirzaker, R.J., Preez, C.C. du, Thorburn, P.J.

“…•Different approaches to simulate N leaching in crop models have been reviewed.•Impact of impeded leaching factor assessed for APSIM, DSSAT, SWB-Sci.•Current…”
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Model parameters of four important vegetable crops for improved water use and yield estimation by Annandale, J.G., Vahrmeijer, J.T., Bristow, K.L., Steyn, J.M.

“…High-value vegetable crops are typically grown under irrigation to reduce production risk. For water resource planning it is essential to be able to accurately…”
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Kirkham's Legacy and Contemporary Challenges in Soil Physics Research by Jury, W.A, Or, D, Pachepsky, Y, Vereecken, H, Hopmans, J.W, Ahuja, L.R, Clothier, B.E, Bristow, K.L, Kluitenbergi, G.J, Moldrup, P, Šimůnek, J, van Genuchten, M.Th, Horton, R

“…Don Kirkham was instrumental in transforming soil physics into a modern scientific discipline by developing theories based on verifiable hypotheses, creating…”
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An overview of APSIM, a model designed for farming systems simulation by Keating, B.A, Carberry, P.S, Hammer, G.L, Probert, M.E, Robertson, M.J, Holzworth, D, Huth, N.I, Hargreaves, J.N.G, Meinke, H, Hochman, Z, McLean, G, Verburg, K, Snow, V, Dimes, J.P, Silburn, M, Wang, E, Brown, S, Bristow, K.L, Asseng, S, Chapman, S, McCown, R.L, Freebairn, D.M, Smith, C.J

“…The Agricultural Production Systems Simulator (APSIM) is a modular modelling framework that has been developed by the Agricultural Production Systems Research…”
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Monitoring and modelling draining and resident soil water nitrate concentrations to estimate leaching losses by van der Laan, M., Stirzaker, R.J., Annandale, J.G., Bristow, K.L., Preez, C.C. du

“…Quantifying nitrogen (N) losses below the root zone is highly challenging due to uncertainties associated with estimating drainage fluxes and solute…”
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Comparison of different approaches to the development of pedotransfer functions for water-retention curves by Minasny, Budiman, McBratney, Alex B., Bristow, Keith L.

“…Pedotransfer functions (PTFs) for estimating water-retention from particle-size and bulk density are presented for Australian soil. The water-retention data…”
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Estimating deep drainage and nitrate leaching from the root zone under sugarcane using APSIM-SWIM by Stewart, L.K., Charlesworth, P.B., Bristow, K.L., Thorburn, P.J.

“…The Burdekin Delta (BD) is located on the dry-tropical coastal strip in North Queensland, Australia. It is one of Australia's premier sugar producing districts…”
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Error analysis of heat pulse method for measuring soil heat capacity, diffusivity, and conductivity by Kluitenberg, G.J. (Kansas State University, Manhattan, KS.), Bristow, K.L, Das, B.S

“…A dual-probe beat pulse (DPHP) method was developed recently that allows for the simultaneous, automated measurement of soil thermal diffusivity, volumetric…”
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Error analysis of the heat pulse method for measuring soil volumetric heat capacity by Kluitenberg, G. J., Ham, J. M., Bristow, K. L.

“…A recently developed heat pulse method allows rapid, automated measurements of the volumetric heat capacity (pc) of soil. Estimation of pc is accomplished by…”
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Alternate furrow irrigation can radically improve water productivity of okra by Siyal, A.A., Mashori, A.S., Bristow, K.L., van Genuchten, M.Th

“…•Alternate furrow irrigation (AFI) used 50% less water than conventional furrow irrigation (CFI) to grow okra.•The loss in okra yield under AFI compared with…”
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Infiltration from surface and buried point sources: The Average wetting water content by Cook, F. J., Thorburn, P. J., Bristow, K. L., Cote, C. M.

“…The assumption in analytical solutions for flow from surface and buried point sources of an average water content, , behind the wetting front is examined. Some…”
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Measurement of soil thermal properties with a dual-probe heat-pulse technique by Bristow, K.L. (CSIRO Division of Soils, Townsville, Australia.), Kluitenberg, G.J, Horton, R

“…Although soil thermal properties are required in many areas of engineering, micrometeorology, agronomy, and soil science, they are seldom measured on a routine…”
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Developing a temperature-dependent Kersten function for soil thermal conductivity by Tarnawski, V. R., Leong, W. H., Bristow, K. L.

“…This paper describes the development of the Kersten function (Ke), which depends on soil temperature and the degree of saturation. The new Kersten function…”
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Are we getting accurate measurements of K sat for sodic clay soils? by Reading, L P, Lockington, DA, Bristow, K L, Baumgartl, T

“…In this paper we discuss the use of a series of column experiments to improve understanding of the effect irrigation water chemistry (saline solutions) has on…”
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Towards ecologically sustainable crop production: A South African perspective by van der Laan, M., Bristow, K.L., Stirzaker, R.J., Annandale, J.G.

“…•Review of ecological impact of South African commercial agriculture conducted.•It is clear that most of our cropping systems are degraded or…”
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Experimental examination of solute transport by surface runoff from low-angle slopes by Walton, R.S, Volker, R.E, Bristow, K.L, Smetten, K.R.J

“…The removal of chemicals in solution, by overland flow from agricultural land has the potential to be a significant source of chemical loss from zero-till and…”
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Soil surface heat flux: some general questions and comments on measurements by Mayocchi, C.L., Bristow, K.L.

“…Soil surface heat flux is often measured incorrectly owing to a lack of understanding of the processes occurring at the soil surface. To determine accurately…”
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Prediction of the environmental impact and sustainability of large-scale irrigation with gypsiferous mine-water on groundwater resources by ANNANDALE, J. G, JOVANOVIC, N. Z, HODGSON, F. D. I, USHER, B. H, AKEN, M. E, VAN DER WESTHUIZEN, A. M, BRISTOW, K. L, STEYN, J. M

“…Irrigation of agricultural crops is one of the most cost-effective options for the utilisation of gypsiferous mine wastewater. In addition, it creates the…”
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Increasing the efficiency of solute leaching: impacts of flow interruption with drainage of the “preferential flow paths” by Cote, C.M., Bristow, K.L., Ross, P.J.

“…Most soils contain preferential flow paths that can impact on solute mobility. Solutes can move rapidly down the preferential flow paths with high pore-water…”
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