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Western Australia

Chemistry

1963

Articles 1 - 2 of 2

Full-Text Articles in Physical Sciences and Mathematics

Control Of Copper, Zinc And Manganese Deficiencies In Fruit Trees, N J. Halse Jan 1963

Control Of Copper, Zinc And Manganese Deficiencies In Fruit Trees, N J. Halse

Journal of the Department of Agriculture, Western Australia, Series 4

THE three elements copper, zinc and manganese are plant nutrients of the type often referred to as minor or trace elements.

Although essential elements for plant growth, they are required in comparatively small quantities.


Hints On Irrigating Citrus With Saline Water, Stanley Thomas Smith Jan 1963

Hints On Irrigating Citrus With Saline Water, Stanley Thomas Smith

Journal of the Department of Agriculture, Western Australia, Series 4

IN the past few years a number of citrus orchards near Perth have shown signs of damage caused by excess "salt" (chloride) uptake. All have been irrigated either from the Canning River or from private bores or dams.

Senior Soil Research Officer S. T. Smith describes glasshouse experiments which have given some useful guides to minimising "salt" damage in citrus trees irrigated with low-quality water.