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D. I. Arnon, P. R. Stout, The Essentiality of Certain Elements in Minute Quantity For Plants With Special Reference to Copper, Plant Physiology, Volume 14, Issue 2, April 1939, Pages 371–375, https://doi.org/10.1104/pp.14.2.371
- D. I. Arnon, P. R. Stout
- 1939
THE ESSENTIALITY OF CERTAIN ELEMENTS IN MINUTE QUANTITY FOR PLANTS WITH SPECIAL REFERENCE TO COPPER. Plant Physiol. 1939 Apr;14 (2):371-5. doi: 10.1104/pp.14.2.371. Authors. D I Arnon 1 , P R Stout. Affiliation. 1 College of Agriculture, University of California. PMID: 16653564. PMCID: PMC437744. DOI: 10.1104/pp.14.2.371.
- D. I. Arnon, P. R. Stout
- 1939
HIGHER PLANTS. D. I. Arnon and P. R. Stout. (with one figure) The preliminary findings that molybdenum, proved the growth of barley plants in a monium salts as the sole source of nitrogen heavy metals including molybdenum increased.
In order to distinguish the elements which are essential from those which may be taken in by the plants but are not essential, Arnon (1954) has laid down the following criteria. The plant must be unable to grow normally or complete its life cycle in the absence of the element.
TLDR. Ample evidence is presented that silicon, when readily available to plants, plays a large role in their growth, mineral nutrition, mechanical strength, and resistance to fungal diseases, herbivory, and adverse chemical conditions of the medium. Expand.
Oct 16, 2021 · A new paradigm for plant nutrition. Plant scientists as well as regulatory bodies largely adhere to a rigid definition of essential mineral elements (or nutrients) for plants that was originally proposed in 1939 (Arnon and Stout 1939 ), and has been repeated in standard monographs on plant nutrition ever since.
Although common sense goes a long way in defining the concept of an essential element, a more precise set of criteria were established by Arnon and Stout in 1939, who stated that an essential element: Must required for the completion of the life cycle of the plant. Must not be replaceable by another element.
