Method and packaging utilizing calcium cyanamide for soil...

C - Chemistry – Metallurgy – 05 – C

Patent

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C05C 7/00 (2006.01)

Patent

CA 2268778

Processes and structures for using calcium cyanamide fertilizer in a manner to greatly enhance its most effective oil treatment form prior to its application. Dry, dusty granules and fines of calcium cyanamide are placed directly into tanks of liquid for transformation or within biodegradable bags through which water can freely flow. The bags are submerged in a tank of water. The insoluble calcium oxide and carbon components thereof remain as solid residuals within the bags. Hydrolysis occurs and the solution is biocidal and ready for immediate application. The solution can be sprayed or irrigated onto a targeted soil area with conventional dispersal equipment. The remaining non-dissolved material in the bags can be dispersed on and into the plant crop soil. Additives of other fertilizers into the above solution can be used to enhance effectiveness. When the calcium cyanamide is placed directly into the liquid, the mixture will become slurry-like.

Procédés et structures permettant de mettre en application un engrais à base de cyanamide de calcium, de façon à améliorer considérablement le traitement très efficace qu'ils exercent sur les sols avant leur application. On place directement des granulés secs et pulvérulents, ainsi que des copeaux de cyanamide de calcium à l'intérieur de réservoirs de liquide servant à les transformer ou à l'intérieur de sacs biodégradables à travers lesquels l'eau peut s'écouler. L'oxyde de calcium insoluble et ses constituants carbonés restent à l'intérieur des sacs en tant que résidus solides. L'hydrolyse s'effectue et la solution est biocide et prête à être appliquée immédiatement. On peut pulvériser cette solution ou en irriguer une zone ciblée du sol au moyen d'un équipement classique de dispersion. On peut disperser le matériau non dissous restant dans les sacs sur la surface et à l'intérieur du sol prévu pour les récoltes. On peut utiliser des apports d'autres engrais à la solution afin d'en augmenter l'efficacité. Quand on place le cyanamide de calcium directement dans le liquide, le mélange prend un aspect de boue liquide.

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