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Australian Journal of Soil Research articles from January 1998
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 January 1998
Inverse method to estimate mineralisation rate constants for nitrogen simulation models: interaction between sampling strategy and quality of parameter estimates.
January 1, 1998... Additional keywords: non-linear regression, optimisation, nitrate leaching, simulation modelling.
Introduction
Excessive nitrate leaching is an ever-increasing concern in Australia and elsewhere. This concern arises from both the...
Nitrogen fluxes in surface soils of 1-2-year-old eucalypt plantations in Tasmania.(Australia)
January 1, 1998... Additional keywords: nitrogen, mineralisation, nitrification, leaching, availability, mineralisable N.
Introduction
Nitrogen (N) availability is a critical determinant of forest productivity which, without fertiliser addition,...
Nitrate and chloride leaching in Vertosols for different tillage and stubble practices in fallow-grain cropping.
January 1, 1998... Additional keywords: nitrate, chloride, leaching, fallow management, tillage, stubble.
Introduction
The use of nitrogenous fertilisers, stubble retention, and chemical weed control have increased on Darling Downs cropping soils...
Stratification of microbial biomass C and N and gross N mineralisation with soil depth in two contrasting Western Australian agricultural soils.
January 1, 1998... Additional keywords: gross mineralisation, [sup.15]N isotopic dilution.
Introduction
The rate of mineralisation of soil organic matter within the soil profile is dependent on the distribution of organic substrates and the activity...
Comparative effects of subterranean clover, medic, lucerne, and chickpea in wheat rotations, on nitrogen, organic carbon, and moisture in two contrasting soils.
January 1, 1998... Additional keywords: fallowing, snail medic, sustainability.
Introduction
The long-term sustainability of cereal crop yields and grain protein concentrations is closely related to the maintenance of adequate levels of soil organic...
Effect of lime (CaCO3) application on soil structural stability of a red earth.
January 1, 1998... Additional keywords: macroaggregate stability, microbial biomass, direct drilling, Ca-organic matter bondings.
Introduction
Lime (Ca[CO.sub.3]) has been used extensively in Australia to overcome soil acidity problems. In the...
Runoff and micromorphological properties of a grazed haplargid, near Cobar, NSW, Australia.(New South Wales)
January 1, 1998... Additional keywords: organic crust, physical crust, parna, erosion, semi-arid woodlands, soil erosion, unpalatable shrubs, perennial grasses.
Introduction
Grazing by livestock is the major enterprise in the semi-arid woodlands of...
The impact of revegetation strategies. (Computer Modelling of the Effect of Revegetation Strategies on Salinity in the Western Wheatbelt of Western Australia, part 1)
January 1, 1998... Additional keywords: dryland salinity, alley farming, remnant vegetation.
Introduction
Mechanisms of dryland salinity development
Dryland salinity is a major problem for the agricultural industry of the southwest of Western...
The interaction between revegetation strategies and major fault zones.(Computer Modelling of the Effect of Revegetation Strategies on Salinity in the Western Wheatbelt of Western Australia, part 2)
January 1, 1998... Additional keywords: hydraulic conductivity, dryland salinity, perennial, remnant vegetation.
Introduction
This is the second of 2 papers that deal with the computer modelling of revegetation strategies to reduce land and water...
Rainfall erosivity and its estimation for Australia's tropics.
January 1, 1998... Additional keywords: RUSLE, daily erosivity model.
Introduction
Globally, nearly 2 billion ha, or about 13% of the Earth's land surface, has suffered some type of human-induced land degradation (Oldeman et al. 1991), and water...
Environmental magnetism as a stream sediment tracer: an interpretation of the methodology and some case studies.
January 1, 1998... Introduction
Environmental magnetism is increasingly being used in a wide range of environmental studies such as sourcing the sediments in reservoir catchments (Stott 1986); establishing stream arm sediment contributions at river...