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Full-Text Articles in Physical Sciences and Mathematics
Control Of Copper, Zinc And Manganese Deficiencies In Fruit Trees, N J. Halse
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.
Cobalt : Its Use To Control Wasting Disease, Laurence C. Snook
Cobalt : Its Use To Control Wasting Disease, Laurence C. Snook
Journal of the Department of Agriculture, Western Australia, Series 4
FOR many years it was assumed that in Western Australia cobalt deficient areas were restricted to a coastal fringe which rarely extended more than 20 miles inland.
This has proved a costly false assumption. During recent years cobalt deficiency has been diagnosed over extensive areas of inland country.