Foliar phosphate fertilizers
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United States of America Patent
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Aug 20, 2002
Issued Date -
N/A
app pub date -
Jun 17, 1994
filing date -
Nov 14, 1988
priority date (Note) -
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Abstract
Foliar fertilizers which include a phosphate ester in concentrations greater than approximately 1/2 molar with water. The phosphate esters are preferably polyhydroxy alcohol orthophosphate esters, such as ethylene glycol phosphate esters. The fertilizer solutions or mixtures are provided with a water miscible hygroscopic agent which retains the applied fertilizers on the leaf in liquid form by extracting moisture from the atmosphere. The hygroscopic agent is preferably provided by an appropriate hygroscopic alcohol such as used in the production of the esters, or substitutes thereof. The esters can be formed into substituted salts using metals or other elements which are preferably of nutritional value to plants. Methods for the production of the esters and fertilizers are described. Also described are novel methods of use and fertilization using the foliar fertilizer compositions.
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Family
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Cited Art Landscape
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