Residual value of trace elements : how frequently should trace elements be applied to soils?
Trace element fertilizers, Application times, Western Australia
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Over the last 30 years the magic of trace elements has converted millions of acres of wilderness into productive farmlands.
To many farmers copper, zinc, manganese, molybdenum or cobalt has spelt the difference between disaster and security.
the question is "How often should dressings be repeated?"
Found in previous article Dwarf fruit trees Frank Melville Vol 2 No 3 Page No 222
Department of Agriculture, Western Australia
"Residual value of trace elements : how frequently should trace elements be applied to soils?,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 2:
3, Article 7.
Available at: https://library.dpird.wa.gov.au/journal_agriculture4/vol2/iss3/7