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Australian Journal of Soil Research articles from May 2001
A bimonthly scholarly journal covering all aspects of soil research in Australia and the Asia-Pacific region, for practitioners and researchers. Includes both internationally relevant and region-specific research on all areas of soil science, land and wat
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Australian Journal of Soil Research archives from May 2001
Soil organic matter in rainfed cropping systems of the Australian cereal belt(*).(Statistical Data Included)
May 1, 2001... Introduction
The Australian cereal belt stretches as an arc from north-eastern Australia to south-western Australia (24 [degrees] S-40 [degrees] S and 125 [degrees] E-147 [degrees] E; Fig. 1), with mean annual temperatures from 14...
Tillage-induced changes to soil structure and organic carbon fractions in New Zealand soils.(Statistical Data Included)
May 1, 2001... Introduction
The form and stability of soil structure are important for soil aeration, storage and transmission of water and nutrients, and root penetration and development. The interrelationships between soil structure and soil organic...
Soil microbial biomass, metabolic quotient, and carbon and nitrogen mineralisation in 25-year-old Pinus radiata agroforestry regimes.(Statistical Data Included)
May 1, 2001... Introduction
In New Zealand, the profitability of agroforestry varies as relative returns from livestock farming and forestry alter. Additionally, agroforestry seems to improve the stability of hill country. Establishment of widely spaced...
Changes in soil properties after application of dairy factory effluent to New Zealand volcanic ash and pumice soils.(Statistical Data Included)
May 1, 2001... Introduction
Application of wastes to land has been an accepted disposal method for many years (Cameron et al. 1997). In New Zealand, the preferred method of treatment and disposal of liquid effluents is irrigation onto pasture or forest...
Factors controlling N mineralization, nitrification, and nitrogen losses in an Oxisol amended with sewage sludge.(nitrogen)(Statistical Data Included)
May 1, 2001... Introduction
Oxisols constitute 830 million ha in tropical regions, which represents 25% of total tropical land (Sanchez and Logan 1992). The major constraints of these soils are acidity induced by soluble [Al.sup.3+], P fixation, and low...
Effect of leaching and clay content on carbon and nitrogen mineralisation in maize and pasture soils.(Statistical Data Included)
May 1, 2001... Introduction
Soil organic carbon (C) and nitrogen (N) are important both as indicators of soil quality (Doran et al. 1994) and for sustaining agricultural production. They can change as a result of modifications in land cover or land...
Soil organic matter composition, transformation, and microbial colonisation of Gelic Podzols in the coastal region of East Antarctica.(Statistical Data Included)
May 1, 2001... Introduction
Antarctic Podzols contain high concentrations of carbon (C) and nitrogen (N) (Blume et al. 1996; Beyer et al. 1998). Blume et al. (1997) and Beyer et al. (2000a) suggested that the occurrence and intensity of podzolisation is...
On the nature of soil aggregate coalescence in an irrigated swelling clay.(Statistical Data Included)
May 1, 2001... Introduction
When unsaturated aggregates are subjected to internal or external stresses they undergo varying degrees of viscous deformation at contact points and coalesce into larger, stronger units (Keller 1970). Terms such as aggregate...
A new procedure to determine soil water availability.(Statistical Data Included)
May 1, 2001... Introduction
One of the great challenges in trying to understand the efficient use of soil water has been, and still is, to relate measurable (and therefore predictable) soil properties to plant response (e.g. Philip 1972). This problem is...
A multi-purpose rainfall simulator for field infiltration and erosion studies.(Statistical Data Included)
May 1, 2001... Introduction
The rainfall simulator (RFS) design described in this paper was developed primarily for the project `Post-mining Landscape Parameters for Erosion and Water Quality Control', which was jointly funded by the Australian Coal...
Soil factors affecting the availability of potassium to plants for Western Australian soils: a glasshouse study.(Statistical Data Included)
May 1, 2001... Introduction
Chemical methods are commonly used to predict the potassium (K) fertility of soils, through establishing relationships between the chemical measure and K uptake by plants. Exhaustive cropping techniques combined with chemical...
Contamination of soil with fluoride by long-term application of superphosphates to pastures and risk to grazing animals.(Statistical Data Included)
May 1, 2001... Introduction
Fluoride (F) pollution is commonly experienced as an acute phytotoxicity problem surrounding atmospheric pollution sources such as aluminium smelters, brickworks, and fertiliser manufacturing plants (Sidhu 1979; Fuge and...
Chemical and mineralogical composition of Fe-Mn concretions and calcretes occurring in sodic soils of Eastern Uttar Pradesh, India.(Iron-Manganese)(Statistical Data Included)
May 1, 2001... Introduction
The sodic soils of the Indo-Gangetic alluvium frequently have concretions (Sidhu et al. 1978) associated with alternate oxidation and reduction processes. Occurrence of calcretes (lime nodules) in these soils is also common...