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Iron chelate is commonly used for agricultural purposes to treat chlorosis, a condition in which leaves produce insufficient chlorophyll. Iron and ligand are absorbed separately by the plant roots whereby the highly stable ferric chelate is first reduced to the less stable ferrous chelate. [ 6 ]
Iron can be made available immediately to the plant by the use of iron sulphate or iron chelate compounds. Two common iron chelates are Fe EDTA and Fe EDDHA. Iron sulphate (Iron(II) sulfate) and iron EDTA are only useful in soil up to PH 7.1 but they can be used as a foliar spray (Foliar feeding). Iron EDDHA is useful up to PH 9 (highly ...
The artificial solution described by Dennis Hoagland in 1933, [1] known as Hoagland solution (0), has been modified several times, mainly to add ferric chelates to keep iron effectively in solution, [6] and to optimize the composition and concentration of other trace elements, some of which are not generally credited with a function in plant nutrition. [7]
Chelation therapy is a medical procedure that involves the administration of chelating agents to remove heavy metals from the body. [1] Chelation therapy has a long history of use in clinical toxicology [2] and remains in use for some very specific medical treatments, although it is administered under very careful medical supervision due to various inherent risks, including the mobilization of ...
The eluviation of chelate compounds is the downward movement of soil chelates. The eluviation of chelate compounds can be affected by: Acidity. Organic acids produced under acidic conditions can increase the solubility of metal elements such as iron and aluminum, thereby enhancing soil eluviation. Iron and aluminum are easily leached at low pH.
Virtually all this iron is in the iron(III) state and complexed to organic ligands. [38] These low levels of iron limit the primary production of phytoplankton and have led to the Iron Hypothesis [39] where it was proposed that an influx of iron would promote phytoplankton growth and thereby reduce atmospheric CO 2. This hypothesis has been ...
Treatments with iron(II) sulfate have higher incidence of adverse events than iron(III)-hydroxide polymaltose complex (IPC) [29] [30] [31] or iron bis-glycinate chelate. [32] [33] Iron overdose has been one of the leading causes of death caused by toxicological agents in children younger than six years. [34] Iron poisoning may result in ...
Arabidopsis is capable of increasing the activity of ferric-chelate reductase, which is located in the membranes of root epidermal cells, in environments with limited iron availability. [8] Additionally, it is hypothesized that the activity of this reductase stimulates iron release from organic compounds within the soils, releasing it for ...
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