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Title: Soil sulfur pools utilised by plants and measured by chemical extractants
Contributor(s): Chinoim, Nanthana (author); Blair, Graeme  (supervisor); Lefroy, Rod (supervisor)
Conferred Date: 1996
Copyright Date: 1994
Open Access: Yes
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Abstract: Soil sulfur (S) testing has met with variable success and there is no agreement as to which extractant best defines the S suppling capacity of soils. This study aimed to develop a soil S test that includes a measure of the sulfate in solution, an estimate of adsorbed sulfate which is available for plant uptake and an estimate of potentially mineralisable organic S which is available for plant uptake. Three separate experiments were undertaken in which a range of extractants were evaluated to predict S status and to investigate the sources of S for plants and the soil pools extracted by the various extractants. ... The series of experiments have demonstrated that by understanding the pool size and turnover rates of soil S pools it has been possible to develop an appropriate soil extractant to predict soil S supply.
Publication Type: Thesis Doctoral
Rights Statement: Copyright 1994 - Nanthana Chinoim
HERDC Category Description: T2 Thesis - Doctorate by Research
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Appears in Collections:Thesis Doctoral

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