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2. Hoagland solution - Wikipedia

   en.wikipedia.org/wiki/Hoagland_solution

   Sprint 138 iron chelate is produced as Na-Fe-EDDHA (C 18 H 16 FeN 2 NaO 6), while Hoagland's original solution formulations contain ferric tartrate (C 12 H 12 Fe 2 O 18), but no sodium ions. [1] [2] [3] Synthesizing a sodium-free ferric EDTA complex (C 10 H 12 FeN 2 O 8 −) in a laboratory is sometimes preferred to buying ready-made products.

3. Ferric EDTA - Wikipedia

   en.wikipedia.org/wiki/Ferric_edta

   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 ]

4. Alachlor - Wikipedia

   en.wikipedia.org/wiki/Alachlor

   Alachlor is an herbicide from the chloroacetanilide family. It is an odorless, white solid. The greatest use of alachlor is for control of annual grasses and broadleaf weeds in crops. Use of alachlor is illegal in the European Union [1] and no products containing alachlor are currently registered in the United States. [2]

5. List of herbicides - Wikipedia

   en.wikipedia.org/wiki/List_of_herbicides

   This is a list of herbicides. These are chemical compounds which have been registered as herbicides . The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [ 1 ]

6. Iron deficiency (plant disorder) - Wikipedia

   en.wikipedia.org/wiki/Iron_deficiency_(plant...

   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 ...

7. Cheluviation - Wikipedia

   en.wikipedia.org/wiki/Cheluviation

   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.