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Australian Journal of Soil Research articles from December 2008
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 December 2008
Preface: Chinese conservation tillage.
December 1, 2008... Papers in this special section focus on the results of ACIAR-funded projects concerned with more sustainable dryland grain production on the loess plateau of China. The loess soil area extends across a large area of northern China, and its...
Traffic and tillage effects on wheat production on the Loess Plateau of China: 1. Crop yield and SOM.(soil organic matter)(Report)
December 1, 2008... Introduction
Maintenance of soil fertility is essential to sustain crop yields, and soil organic matter (SOM) management is an important component because of its direct and indirect effects on various chemical, physical, and biological...
Traffic and tillage effects on wheat production on the Loess Plateau of China: 2. Soil physical properties.(Report)
December 1, 2008... Introduction
Bulk density, porosity, and water retention capacity are usually recognised as important indicators of soil quality, but farming methods can influence these by altering soil physical properties. Tillage and wheel traffic can...
Spring wheat performance and water use efficiency on permanent raised beds in arid northwest China.(Report)
December 1, 2008... Introduction
Water shortage is one of the major constraints to the production of agricultural crops in arid north-west China where average precipitation varies from 40 to 200 mm (Xie et al. 2005). Annual potential evaporation in this...
Traffic and tillage effects on runoff and soil loss on the Loess Plateau of northern China.(Report)
December 1, 2008... Introduction
Soil and water loss are among the most important environmental problems of dryland farming on the Loess Plateau in north-west China, where surface runoff is the main driver of soil erosion (Wang and Shao 1998). The landscape...
Soil phosphorus buffering measures should not be adjusted for current phosphorus fertility.(Report)
December 1, 2008... Introduction
Soil phosphorus (P) sorption capacity is an important soil property which dictates the equilibrium between sorbed and solution P. In Australian soils, the solution P pool is generally deficient, due to the nature of our highly...
Organic amendment addition enhances phosphate fertiliser uptake and wheat growth in an acid soil.(Report)
December 1, 2008... Introduction
Phosphorus (P) is a major plant nutrient, applied as an inorganic fertiliser to much of the industrialised world to sustain agricultural productivity. However, the effectiveness of P fertiliser application is compromised in...
Small-scale, high-intensity rainfall simulation under-estimates natural runoff P concentrations from pastures on hill-slopes.(Report)
December 1, 2008... Introduction
Phosphorus (P) contained in runoff from agricultural land contributes to a decline in surface water quality. Rainfall simulation has been widely used to study the effects of various factors on the concentration of P in runoff...
Fate of applied biosolids nitrogen in a cut and remove forage system on an alluvial clay loam soil.(Report)
December 1, 2008... Introduction
Intensive agriculture can lead to declining soil fertility, especially reductions in soil organic matter and nitrogen (N) stores (Dalai et al. 2003; Haynes et al. 2003). It has been reported that the land application of...
Carbon and N turnover in moist sandy soil following short exposure to a range of high soil temperature regimes.(Report)
December 1, 2008... Introduction
The climate of the Western Australian agricultural region is characterised by hot, dry summers and wet, mild winters. The lack of rainfall and dry soil prevent the growth of crops and pastures in the summer period and...
Nitrogen isotope enrichment factor as an indicator of denitrification potential in top and subsoil in the Apace Valley, Slovenia.(Report)
December 1, 2008... Introduction
Nitrate (N[O.sub.3.sup.-]) contamination of groundwater has increased in recent decades (Zahn and Grimm 1993; Stoate et al. 2001) due to intensification of land use and increased atmospheric inputs of nitrogen, and now it is...
Seasonal variations in soil respiration and temperature sensitivity under three land-use types in hilly areas of the Sichuan Basin.(Report)
December 1, 2008... Introduction
As an important component of terrestrial carbon cycling, soil respiration has received considerable attention in recent years because of the release of large quantities of C[O.sub.2] from the soils to the atmosphere...
Soil and landscape attributes interpret subsurface drainage clusters.(Report)
December 1, 2008... Introduction
Nitrate-nitrogen (N[O.sub.3]-N) contamination of surface and shallow groundwater resources from agricultural production systems has received considerable attention because of its environmental and economic concerns (Drury et...
K-Ca-Mg binary cation exchange in saline soils from the north of Chile.(Report)
December 1, 2008... Introduction
Soils affected by salts located in the north of Chile, which extends from 17[degrees]30' to 21[degrees]39'S and from 68[degrees]25'W to the Pacific Ocean, with dry weather and little rainfall per year, high average...
Modern and palaeogeographic trends in the salinisation of the Western Australian wheatbelt: a review.(Report)
December 1, 2008... Introduction
Accumulation of salt in the Australian regolith is a natural process established as a result of the antiquity of the landscape, its flatness, the magnitude of weathering, and climatic parameters that are typified by low...