NITROGEN FERTILIZER COMPOSITION

PROBLEM TO BE SOLVED: To provide a nitrogen fertilizer composition having improved delayed release property. SOLUTION: The nitrogen fertilizer composition comprises dicyandiamide, a hydraulic inorganic material and a nitrogen fertilizer in the quantity of 0.3-3 mass% dicyandiamide, 3-30 mass% hydrau...

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Hauptverfasser:	SASAKI HIROSHI, NAOKAWA TAKUJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS PRODUCING CARBON DIOXIDE INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C MANUFACTURE THEREOF METALLURGY NITROGENOUS FERTILISERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a nitrogen fertilizer composition having improved delayed release property. SOLUTION: The nitrogen fertilizer composition comprises dicyandiamide, a hydraulic inorganic material and a nitrogen fertilizer in the quantity of 0.3-3 mass% dicyandiamide, 3-30 mass% hydraulic calcium compound and 67-96 mass% nitrogen fertilizer. One or more kinds selected from calcium aluminate, calcium silicate and a calcium aluminate and/or calcium silicate-containing material is preferably used as the hydraulic calcium compound. In any nitrogen fertilizer composition, the nitrogen fertilizer preferably contains nitrolime. COPYRIGHT: (C)2007,JPO&INPIT