PRECURSOR COATINGS FOR SULFUR COATED CONTROLLED RELEASE FERTILIZERS

A controlled release sulfur coated fertilizer with improved abrasion resistance is produced by applying a precursor coating that forms a cohesive film which adheres to the fertilizer substrate particles and to the sulfur that is subsequently applied in molten form. The improved fertilizer also optio...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	HUDSON, ALICE, P, NEVIN, JAMES, E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS NITROGENOUS FERTILISERS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A controlled release sulfur coated fertilizer with improved abrasion resistance is produced by applying a precursor coating that forms a cohesive film which adheres to the fertilizer substrate particles and to the sulfur that is subsequently applied in molten form. The improved fertilizer also optionally comprises a sealant coating applied after the molten sulfur. This invention is to the composition of the fertilizer and the method of production. L'invention concerne un engrais revêtu de soufre à libération contrôlée, ayant une résistance à l'abrasion améliorée, qui est produit en appliquant un revêtement précurseur qui forme un film cohésif qui adhère aux particules de substrat d'engrais et au soufre qui est ultérieurement appliqué à l'état fondu. L'engrais amélioré comporte également facultativement un revêtement d'étanchéité appliqué après le soufre fondu. La présente invention concerne la composition de l'engrais et le procédé de production.