Australian Journal of Soil Research articles from December 2007

Australian Journal of Soil Research archives from December 2007

Delineating soil landscape facets from digital elevation models using compound topographic index in a geographic information system.(Report)
December 1, 2007... Introduction This study formed part of the Comprehensive Coastal Assessment (CCA) project initiated by New South Wales (NSW) Government in 2004. The NSW Coastal Strategy formally recognised that the NSW coast is undergoing rapid population...

The relation between soil structure and solute transport under raised bed cropping and conventional cultivation in south-western Victoria.(Report)
December 1, 2007... Introduction The texture-contrast soils of south-western Victoria have poor physical properties that cause difficulties for crop production (Gardner et al. 1992). These soils are especially prone to waterlogging during cool, wet winters,...

Influence of sodium adsorption ratio on sodium and calcium breakthrough curves and hydraulic conductivity in soil columns.(Report)
December 1, 2007... Introduction Interactions of sodium (Na) and calcium (Ca) ions with clays affect the ionic transport (Ersoz et al. 2001) as well as the stability of the pore matrix structure, particularly in arid and semi-arid soils with little biomass or...

Atrazine degradation and transport in runoff on a Black Vertosol.(Report)
December 1, 2007... Introduction Atrazine is a residual herbicide used to control weeds in summer grain crops. On the Darling Downs, Queensland, it is one of the most commonly used agricultural chemicals for sorghum and maize (Rayment and Simpson 1993)....

Effects of fire retardant on heathland soils in south-eastern Australia.(Report)
December 1, 2007... Introduction South-eastern Australia is one of the most wildfire-prone environments on the continent, and there is a heavy reliance by authorities responsible for the control of wildfire on intensive fire suppression activities, including...

Use of bentonite to control the release of copper from contaminated soils.(Report)
December 1, 2007... Introduction Soil contamination by heavy metals has been a long-term and worldwide environmental problem generated by anthropogenic activities of the past several decades. Natural and xenobiotic heavy metals present in soils could find...

Can synchrotron micro-X-ray fluorescence spectroscopy be used to map the distribution of cadmium in soil particles?(Short Communication)(Report)
December 1, 2007... Introduction Cadmium (Cd) is accumulating in intensively managed agricultural soils in many countries (Sillpanaa and Jansson 1992), due to accession rates--mainly from phosphate fertilisers and organic amendments--that exceed the rate of...

Agronomic values of greenwaste biochar as a soil amendment.(Report)
December 1, 2007... Introduction Biochars refer to the high carbon materials produced from the slow pyrolysis (heating in the absence of oxygen) of biomass. Chars and charcoal-like materials occur naturally in soils and are considered part of the soil organic...

Nitrogen contributions in a windmill grass (Chloris truncata)--wheat (Triticum aestivum L.) system in south-western Australia.(Report)
December 1, 2007... Introduction In south-western Australia, crop rotations typically include one or more years of wheat, barley, canola, or grain legumes, interspersed with Trifolium- or Medicago-based pastures grazed by sheep (Perry 1992). The region is...

Variation in soil strength, bulk density and gravel concentration along a toposequence in Abeokuta, south-western Nigeria.(Report)
December 1, 2007... Abstract. This study was carried out at Abeokuta, south-western Nigeria, to understand the variation in soil strength, gravel distribution, and bulk density along a toposequence. In 2003, a 120-m transect on a fallowed land was sampled at every...