A - Human Necessities – 23 – K
Patent
A - Human Necessities
23
K
A23K 1/175 (2006.01) C01B 25/34 (2006.01) C01B 25/37 (2006.01) C01B 25/40 (2006.01)
Patent
CA 2751373
A water insoluble micronutrient fertilizer, methods of producing, and methods of using the same are provided. The fertilizer may comprise at least one first micronutrient selected from the group consisting of chromium, cobalt, copper, iron, man-ganese, and zinc, a polyphosphate; and optionally at least one second micronutrient selected from the group consisting of boron, chlorine, iodine, molybdenum or selenium. The fertilizer compounds are preferably water insoluble, dilute acid soluble, and free--flowing powders. The method of production consists in dissolving a compound of the first micronutrient in phosphoric acid at a temperature between 90 and 165 °C, neutralization and drying.
La présente invention concerne un engrais non hydrosoluble à base d'oligoéléments, leurs procédés de production, et leurs procédés d'utilisation. L'engrais peut comporter au moins un premier oligoélément choisi parmi le groupe constitué de chrome, cobalt, cuivre, fer, manganèse, et zinc; un polyphosphate; et éventuellement au moins un second oligoélément choisi parmi le groupe constitué de bore, chlore, iode, molybdène ou sélénium. Les composés d'engrais sont de préférence des poudres insolubles, solubles dans l'acide dilué, et fluides. Le procédé de fabrication conciste à dissoudre un composé d'un premier oligoélément dans un acide phosphorique à une température entre 90 et 165°C, et à effectuer la neutralisation et le séchage.
Smart & Biggar
Varadachari Chandrika
LandOfFree
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