Optimization of Plant Nutrition Refereed papers from the Eighth International Colloquium for the Optimization of Plant Nutrition, 31 August – 8 September 1992, Lisbon, Portugal / edited by M.A. Fragoso, M.L. Van Beusichem.
The world-wide shortage of plant production menacing the survival of many people demands for more and better research, particularly on how to increase food and where it is most needed. Major problems of international concern for the scientific community are the availability in soil media of macro an...
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