Method of foliar application of magnesium hydrogen carbonate

Details Method of foliar application of magnesium hydrogen carbonate Method of foliar application of magnesium hydrogen carbonate

1994-06-03

1996-09-03

Clardy, S. Mark

Plant protecting and regulating compositions

Plant growth regulating compositions

71 63, A01N 5906, C05D 500

Patent

active

055523668

ABSTRACT:
A dilute aqueous solution containing less than 80 g/l of magnesium hydrogen carbonate of formula Mg(HCO.sub.3).sub.2 can be used for the curative treatment of plants attacked by magnesium deficiency or preventively as complementary magnesium fertilizer and as photosynthetic activator of growth of plants by simple spraying onto them.
An aqueous solution of magnesium hydrogen carbonate Mg(HCO.sub.3).sub.2 is prepared from MgO as starting material by mixing it into water and by treating the solution or suspension thus obtained with gaseous carbon dioxide, at a temperature below 40.degree. C. under a pressure greater than 5.times.10.sup.5 pascals (5 bars).

REFERENCES:
patent: 3532485 (1970-10-01), Stevens
patent: 4689067 (1987-08-01), K uckens et al.
Hers, Dieter. Plant Physiology, NY: Springer-Verlog, 1975 pp. 38-40.
Pascal, Nouveau traite de chimie minerale, IV:228-234 (1958).

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