Australian Journal of Soil Research articles from May 1999

Australian Journal of Soil Research archives from May 1999

Fertilisers and phosphorus loss from productive grazing systems.
May 1, 1999... Abstract This paper reviews phosphorus loss from productive high rainfall grazing systems. In particular it describes the processes occurring when phosphatic fertilisers are added to soil, the different pathways through which fertiliser...

Metal-induced chromium(VI) sorption by two calcareous soils.
May 1, 1999... Abstract Competing anions, notably [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] and [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII], reduce Cr(VI) sorption; however, the role of cooperative cations in Cr(VI) retention has...

The effects of anion sorption on sorption and leaching of cadmium.
May 1, 1999... Abstract The effect of chloride, sulfate, nitrate, and phosphate anions on the sorption and leaching of cadmium was examined in 2 soils (Manawatu silt loam and Egmont clay loam) which differ in their variable charge components. There was a...

Cadmium phytoavailability in some New Zealand soils.
May 1, 1999... Abstract The suitability of 8 common soil extractants to predict plant uptake of cadmium (Cd) from 10 New Zealand soils at low Cd concentrations was investigated in a glasshouse experiment. In addition, a study of Cd uptake by several...

A simulation study of erosion in the Emerald Irrigation Area.
May 1, 1999... Abstract Sedimentation in the drainage network of the Emerald Irrigation Area (near Emerald, Queensland), as a result of erosion from irrigated farms, is a serious problem. Deposited sediment changes the hydraulic characteristics of the...

Extracting soil-landscape rules from previous soil surveys.
May 1, 1999... Abstract Where map legends and map unit definitions reflect the mental models used by soil surveyors to map soils in the past, the association between soil map units and other environmental spatial data can be re-modelled to infer formal...

The influence of Pinus radiata, Quercus suber, and improved pasture on soil chemical properties.
May 1, 1999... Abstract Soil acidification and related land degradation issues are assuming increasing importance in Australia and challenging the concept of sustainability of current land management systems. In this study, the impacts of tree...

Nitrogen dynamics in a eucalypt plantation irrigated with sewage effluent or bore water.
May 1, 1999... Abstract Irrigation of treated effluent onto tree plantations is a popular method of land treatment but can lead to unacceptable levels of groundwater degradation. Knowledge of nitrogen transformations and balances is essential to design...

Effect of calcined magnesite on soil and Pinus radiata foliage magnesium in pumice soils of New Zealand.
May 1, 1999... Abstract Magnesium (Mg) deficiency is common in a number of forest regions in the world. It has been linked to a condition in P. radiata called `upper mid crown yellowing' (UMCY) in New Zealand and `new type forest decline' in Europe. Mg...

Effect of short-term legume residue decomposition on soil acidity.
May 1, 1999... Abstract The accumulation of organic matter has been suggested to be one of the causes of soil acidification. We examined the effect of applying clover shoots, clover roots, and lupin leaves which differed in concentrations of N and excess...

Turnover of nitrogen from components of lupin stubble to wheat in sandy soil.
May 1, 1999... Abstract The rate of decomposition of [sup.15]N-labelled lupin (Lupinus angustifolius) stubble and the use of mineralised [sup.15]N by wheat were determined in field experiments on a deep loamy sand previously cropped to lupin. In one...