Magnesium required by avocado trees but excessive amounts may be toxic
AuthorsJoseph N. Brusca
A. R. C. Haas
Authors AffiliationsJoseph N. Brusca is Laboratory Technician, University of California, Riverside; A.R.C. Haas is Plant Physiologist, Emeritus, University of California, Riverside.
Hilgardia 14(7):5-6. DOI:10.3733/ca.v014n07p5. July 1960.
Avocado trees are fertilized according to the pattern used for citrus, but the leaves of both species differ considerably in composition. For example, the dry matter of healthy avocado leaves usually contains about 0.7% magnesium—about double that found in citrus leaves.
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