Regional differences in tree-crop competition due to soil, climate and management

Huth, Neil I., Robertson, Michael J. and Poulton, Perry L. (2010) Regional differences in tree-crop competition due to soil, climate and management. Crop and Pasture Science, 61 9: 763-770. doi:10.1071/CP09254


Author Huth, Neil I.
Robertson, Michael J.
Poulton, Perry L.
Title Regional differences in tree-crop competition due to soil, climate and management
Journal name Crop and Pasture Science   Check publisher's open access policy
ISSN 1836-0947
1836-5795
Publication date 2010-09
Sub-type Article (original research)
DOI 10.1071/CP09254
Volume 61
Issue 9
Start page 763
End page 770
Total pages 8
Editor John Irwin
Place of publication Melbourne, Australia
Publisher CSIRO
Collection year 2011
Language eng
Subject 960504 Ecosystem Assessment and Management of Farmland, Arable Cropland and Permanent Cropland Environments
050205 Environmental Management
Formatted abstract
Large areas of trees are being planted in Australian agricultural lands for a range of environmental, ecological and economic reasons. In the medium to low rainfall zones, these plantings can negatively impact upon adjacent agricultural production through competition for soil moisture. The nature of the tree–crop competition zone and the means of managing it have been studied in the main southern cropping zones. However, the differences in soil, climate and agronomic systems in Australia’s northern dryland cropping zones could lead to differences in the competition processes and the management options needed to minimise them. In this study, the competition for soil moisture and resultant impacts on crop production were studied for a Eucalyptus argophloia windbreak on a farm near Warra, Queensland (26.93°S, 150.93°E). The results indicate well defined inner and outer competition zones, the extents of which agree with those found elsewhere in Australia and overseas. However, while the extent of the competition is comparable with other regions, local agronomic practices developed for variable climatic conditions and deep clay soils allow trees to extract soil water stored during fallow periods resulting in relatively higher production losses.
© CSIRO 2010.

Keyword Agroforestry
Cotton
Eucalyptus argophloia
Germination failure
Wheat
South-western Australia
Low rainfall areas
Agroforestry systems
Row configuration
Eastern Australia
Windbreak system
Deep-drainage
Water
Coast
Eucalyptus
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Biological Sciences Publications
 
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Created: Sun, 26 Sep 2010, 00:07:46 EST