Zinc as a subsoil nutrient for cereals / by R.E. Holloway.

Date

1996

Authors

Holloway, R. E. (Robert Edgcumbe)

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Abstract

This thesis investigates two avenues suggested by Graham and Ascher (1993) for approaching the problems of subsoil infertility, with particular reference to zinc. Field experiments with wheat and barley were established at Minnipa, on Eyre Peninsula in South Australia to investigate the effects of applying nutrients (principally zinc, nitrogen and phosphorus) to the subsoil to a depth of 0.4 m with a modified deep ripper. A deep pot experiment was designed to measure the zinc efficiencies (in terms of dry matter production) of a range of species grown in siliceous sand. The effects of added zinc on root growth were compared. A pot experiment was also designed to measure the effects of zinc placement in the soil on the zinc concentrations and uptake in Excalibur, particularly with respect to concentrations in grain.

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Dept. of Agronomy and Farming Systems

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Thesis (Ph.D.)--University of Adelaide, Dept. of Agronomy and Farming Systems, 1997

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Bibliography: leaves 290-324.
xxii, 324 leaves, [5] leaves of plates : col. ill. ; 30 cm.

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