Liquid calcium fertilizer and preparation method thereof

The invention relates to a liquid calcium fertilizer and a preparation method thereof. The liquid calcium fertilizer in weight percentage comprises that: 75 percent to 94 percent of calcium nitrate, 3 percent to 15 percent of carbamide and calcium lignosulphonate, 1 percent to 5 percent of citric ac...

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Bibliographic Details
Main Authors NIU XIONG, NIU JUNWU
Format Patent
LanguageChinese
English
Published 28.05.2008
Subjects
CHEMISTRY
FERTILISERS
MANUFACTURE THEREOF
METALLURGY
NITROGENOUS FERTILISERS
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Summary:The invention relates to a liquid calcium fertilizer and a preparation method thereof. The liquid calcium fertilizer in weight percentage comprises that: 75 percent to 94 percent of calcium nitrate, 3 percent to 15 percent of carbamide and calcium lignosulphonate, 1 percent to 5 percent of citric acid, 0.5 percent to 6 percent of amino acid and 1.5 percent to 5 percent of water. When in preparing, the amino acid, the calcium lignosulphonate, the citric acid and the carbamide are dissolved in the water to form solution, then the calcium nitrate is added in the solution; the liquid calcium fertilizer of the invention is produced after being pressed, heated and stirred. The liquid calcium fertilizer of the invention comprises more than 200g/l of calcium, which far more exceeds the calcium content of an industry standard, and can meet requirements for the calcium of general plants and fruits; By adopting the product of the invention, various diseases of the plants caused by lacking of thecalcium are reduced, hard
Bibliography:Application Number: CN20071188537