Authors:
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Article Category: Research Article
Online Publication Date: 01 Jan 1974
Page(s): 45 – 49
Volume/Issue: Volume 99: Issue 1
Abstract
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Contributor Notes
Received for publication July 6, 1973.
Department of Soils and Plant Nutrition, University of California, Berkeley.
Present address: Department of Experimental Biology, National University, Mexico 20, D.F.
Abstract