Published online 24 October 2007
Published in J Environ Qual 36:1883-1894 (2007)
DOI: 10.2134/jeq2007.0175
© 2007 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
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Soil Water Nitrate and Ammonium Dynamics under a Sewage Effluent–Irrigated Eucalypt Plantation
S. J. Livesleya,c,*,
M. A. Adamsb and
P. F. Griersonc
a School of Forest and Ecosystem Science, The Univ. of Melbourne, 500 Yarra Blvd., Melbourne, VIC 3122, Australia
b School of Biological, Earth and Environmental Sciences, The Univ. of New South Wales, Biological Sciences Bdg., Randwick, NSW 2031, Australia
c Ecosystems Research Group, School of Plant Biology, The Univ. of Western Australia, 35 Stirling Hwy., Crawley WA 6009, Australia

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Fig. 1. Monthly rainfall, mean drip- and sprinkler-irrigated effluent rates, and effluent total N concentration during 2001 at the Albany Effluent Irrigation Treatment Farm, Albany, Western Australia.
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Fig. 2. Monthly soil water NO3–N concentrations at 30 cm under two rates of effluent and water irrigation and for two modes of application with and without harvest residues at the Albany Effluent Irrigation Treatment Farm, Albany, Western Australia, during 2001.
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Fig. 3. Monthly soil water NO3–N concentrations at 100 cm under two rates of effluent and water irrigation and for two modes of application with and without harvest residues at the Albany Effluent Irrigation Treatment Farm, Albany, Western Australia, during 2001.
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Fig. 4. Monthly soil water NH4–N concentrations at 30 cm under two rates of effluent and water irrigation and for two modes of application with and without harvest residues at the Albany effluent irrigation treatment farm, Albany, Western Australia, during 2001.
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Fig. 5. Monthly soil water NH4–N concentrations at 100 cm under two rates of effluent and water irrigation and for two modes of application with and without harvest residues at the Albany Effluent Irrigation Treatment Farm, Albany, Western Australia, during 2001.
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Fig. 6. The spatial distribution of soil NO3–N (mg kg–1) with depth and distance along a drip line (A and B) and from a dripper to the mid-row (A–C) in drip-irrigated effluent treatments with and without harvest residues at the Albany Effluent Irrigation Treatment Farm, Albany, Western Australia. Treatments with harvest residue have a layer above the soil surface to represent NO3–N in the harvest residue.
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Fig. 7. The spatial distribution of soil NH4–N (mg kg–1) with depth and distance along a drip line (A and B) and from a dripper to the mid-row (A–C) in drip-irrigated effluent treatments with and without harvest residues at the Albany Effluent Irrigation Treatment Farm, Albany, Western Australia. Treatments with harvest residue have a layer above the soil surface to represent NH4–N in the harvest residue.
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Copyright © 2007 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.