Magnesium deficiency, Fruit, Apples, Oranges
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Magnesium deficiency is a common problem of orchards of Western Australia. The deficiency affects both apples and oranges, but in most cases is not particularly severe. Leaf sprays of magnesium sulphate (Epsom Salts) have successfully controlled the deficiency. Two percent strength is recommended. Soil treatment to give long-term control has not yet been determined successfully in Western Australia.
Halse, N. J.
"Magnesium deficiency of apples and oranges,"
Journal of the Department of Agriculture, Western Australia, Series 3: Vol. 8:
4, Article 7.
Available at: https://library.dpird.wa.gov.au/journal_agriculture3/vol8/iss4/7