C - Chemistry – Metallurgy – 05 – C
Patent
C - Chemistry, Metallurgy
05
C
C05C 9/00 (2006.01) A01N 37/18 (2006.01) A01N 37/44 (2006.01) A01N 43/36 (2006.01)
Patent
CA 2619636
There is disclosed a fertilizer composition comprising a water-insoluble slow- release reacted nitrogen fertilizer and an effective amount of a water- soluble, non-aromatic poly(amino acid) of the group poly(aspartic acid), poly(glutamic acid), poly(glycine), poly(lysine) a copolymer of cystein and glutamic acid and a terpolymer of cystein and glutamic acid and aspartic acid, wherein the poly(amino acid) has a molecular size larger than that which can be absorbed by a plant. A method of making and using the fertilizer composition is also disclosed.
La présente invention concerne une composition d'engrais comprenant un engrais à base d'azote activé à libération lente et insoluble dans l'eau et une quantité efficace d'un poly(acide aminé) non aromatique hydrosoluble contenu dans le groupe comprenant poly(acide aspartique), poly(acide glutamique), poly(glycine), poly(lysine), un copolymère de cystéine et d'acide glutamique et un terpolymère de cystéine et d'acide glutamique et d'acide aspartique. Le poly(acide aminé) présente une taille moléculaire supérieure celle qui peut être absorbée par un végétal. La présente invention concerne également un procédé permettant de fabriquer et d'utiliser la composition d'engrais susmentionnée.
Fister Ronald P.
King William E.
Norris Stanley J.
Finlayson & Singlehurst
Regal Chemical Company
LandOfFree
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