Controlled release fertilizer having improved mechanical...

Details Controlled release fertilizer having improved mechanical... Controlled release fertilizer having improved mechanical...

C - Chemistry, Metallurgy

05

G

C05G 3/00 (2006.01) C05G 5/00 (2006.01)

Patent

CA 2493218

A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a protective coating comprising at least one substantially homogeneous layer of a urethane-containing compound and a filler(s). An organic additive(s) may or may not be present.

L'invention concerne un matériau de fertilisation, à libération contrôlée, constitué d'un nutriment de végétal en particules entourées d'une couche protectrice comprenant au moins une couche sensiblement homogène d'un composé à base d'uréthanne et une ou de plusieurs charges. Il est possible d'ajouter ou de ne pas ajouter un ou plusieurs additifs organiques.

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