Granular organic fertilizer

Details Granular organic fertilizer Granular organic fertilizer

C - Chemistry, Metallurgy

05

F

C05F 11/04 (2006.01)

Patent

CA 2699263

This invention relates to a process for producing a granular dry organic fertilizer and the fertilizer produced by the process. The process includes the steps of providing a peat with a pH of 6 - 7; if necessary, sifting the peat through a sieve to remove fibres bigger than 4mm; treating the peat with a base and forming a mixture; treating the mixture with an organic acid such as propionic acid, EDTA, amino acids, fulvic acid; and then granulating the mixture to produce a granulated dry organic carbon fertilizer which is pH buffered at 6 - 7. This granular fertilizer is a complete fertilizer and is acceptable for the use in organic farming all over the worid.

La présente invention concerne un procédé de production d'un engrais organique déshydraté granulaire, ainsi que l'engrais produit par ledit procédé. Ce procédé comprend les étapes consistant à disposer de tourbe à un pH de 6 à 7; à tamiser, si nécessaire, la tourbe à travers un tamis afin d'éliminer les fibres de plus de 4 mm; à traiter la tourbe au moyen d'une base et à obtenir ainsi un mélange; à traiter le mélange avec un acide organique tel que l'acide propionique, l'EDTA, des acides aminés, l'acide fulvique; puis à granuler le mélange afin d'obtenir un engrais carboné organique déshydraté granulaire dont le pH est tamponné à 6-7. Cet engrais granulaire est un engrais complet, susceptible d'être utilisé en agriculture biologique dans le monde entier.

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