Title: Foliar applications of urea-polyphosphate-potassium solutions to crops

Abstract: Urea-polyphosphate-potassium solution is applied to foliage of field crops such as soybeans, between flowering and seed set to increase yields.

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Inventors: Clapp, John G. (Greensboro, NC, US)
Johnson, Donald Lee (Omaha, NB)
Sansing, Jr., James Earl (Baton Rouge, LA, US)

Application Number: 602714
Filing Date: 1975-08-07
Publication_date: 1977-07-26
Assignee: Allied Chemical Corporation (Morristown, NJ)
Primary Class(es): 71/29 71/33, 71/64.13, 71/903, 504/347
Other Classes:
US Patent Ref:

2770538	Nov, 1956	Vierling	71/29.
3087806	Apr, 1963	Martin	71/29.
3640698	Feb, 1972	Backland	71/29.
3679390	Jul, 1972	Young	71/29.

Other Refs: 706,8231,590,6211,364,464

Mar, 1965	CA
Jun, 1968	FR
Aug, 1974	UK

Primary Examiner: Spear, Jr., Frank A.
Assistant Examiner: Lander, Ferris H.
Attorney: Jarosz; Michael S., Henry; Patrick L.