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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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Root-zone hydraulic lift evaluated with the dual-probe heat-pulse technique.
September 1, 2000... Introduction
Roots are movers of water in soil (Clothier and Green 1997). One method of movement is through hydraulic lift, which occurs when plant roots extract water from a moist subsoil and release it into a dry topsoil (Emerman 1996)....
Improved laboratory calibration of a single-probe surface gamma-neutron gauge.
September 1, 2000... Introduction
Measurements of bulk density and water content are widely used to characterise soil physical conditions so that the behavior of agronomic systems can be better understood.
Among several available techniques to measure soil...
Least limiting water range: a potential indicator of physical quality of forest soils.
September 1, 2000... Introduction
Increasing human populations, decreasing resources, social instability, and environmental degradation pose serious threats to the natural processes that sustain the global ecosphere and life on earth (Doran 1996). Much of the...
Water quality of gully drainage from texture-contrast soils in the Adelaide Hills in low rainfall years.
September 1, 2000... Introduction
The transport of phosphorus (P) from agricultural catchments to waterways has received a lot of attention in the international literature because of its environmental implications, particularly eutrophication of waterbodies...
Mobility of phosphorus through intact soil cores collected from the Adelaide Hills, South Australia.
September 1, 2000... Introduction
Phosphorus (P) from agricultural land and industries has resulted in accelerated eutrophication of surface waters throughout Australia (Young et al. 1996). It is now well accepted that some P lost from agricultural catchments...
Speciation and phytoavailability of cadmium in selected surface soils of South Australia.
September 1, 2000... Introduction
Toxic metal contamination of soil poses a major environmental and human health concern. The specific form and reactivity of their association with the reactive components of the soil determine the ecotoxicological significance...
Physical and chemical protection of soil organic carbon in three agricultural soils with different contents of calcium carbonate.
September 1, 2000... Introduction
Soil organic carbon (OC) content is used as an index for estimating available soil N (Payne and Ladd 1993a, 1993b). Estimating N fertiliser requirements through OC% relies upon one of two assumptions. Either all OC has the...
Forms of organic C and P extracted from tropical soils as assessed by liquid-state [sup.13]C- and [sup.31]P-NMR spectroscopy.
September 1, 2000... Introduction
Highly weathered soils of the tropics are usually depleted in P-containing primary minerals. Release of plant-available P by rock weathering is therefore limited (Sanchez 1976). In addition, tropical soils are generally rich...