METHOD FOR PREPARING AN ENCAPSULATED SLOW-RELEASE PARTICULATE FERTILIZER

METHOD FOR PREPARING AN ENCAPSULATED SLOW-RELEASE PARTICULATE FERTILIZER

A method of preparing an encapsulated slow-release particulate fertilizer by encapsulation of a particulate fertilizer starting material in a coherent shell of a waterproofing material comprising: subjecting the particulate fertilizer starting material to a pretreatment to enhance its capacity of ho...

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Hauptverfasser: EVGENY ZLOTNIKOV, URI MICHAEL, ABRAHAM SHAVIV, BORIS GORDONOV
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Sprache:eng
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creator EVGENY ZLOTNIKOV
URI MICHAEL
ABRAHAM SHAVIV
BORIS GORDONOV
description A method of preparing an encapsulated slow-release particulate fertilizer by encapsulation of a particulate fertilizer starting material in a coherent shell of a waterproofing material comprising: subjecting the particulate fertilizer starting material to a pretreatment to enhance its capacity of holding powderous material by adhesion, to yield a first intermediary product; coating said first intermediary product with a powderous waterproofing material of a kind that fuses at a temperature below the phase transition temperature of the fertilizer to yield a seond intermediary product in which fertilizer particles bear a coat of powderous waterproofing material; heating said second intermediary product to a temperature below the phase transition temperature of the fertilizer, at which the waterproofing material fuses and then allowing the particulate fertilizer to cool; whereby a final slow release encapsulated particulate fertilizer product is obtained in which the fertilizer particles are encapsulated within a coherent shell of waterproofing material.
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title METHOD FOR PREPARING AN ENCAPSULATED SLOW-RELEASE PARTICULATE FERTILIZER
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