Calcium ammonium nitrate (CAN)

Product description

Calcium ammonium nitrate (CAN) is a nitrogen fertilizer preferred for acid soils. The most common type of this fertilizer contains approximately 27% nitrogen (half of which is in nitrate form, the remainder is in an ammonium form) and 11% CaO. There are several methods for producing calcium ammonium nitrate. A solution of concentrated ammonium nitrate is mixed with powdered limestone to obtain calcium ammonium nitrate in granules. The quantities are cooled, dried and covered with suitable material. Other calcium compounds, which are used for producing CAN are calcite or dolomite limestone, chalk, clay, or calcium carbonate sediment. Mixing of ingredients is done very quickly in order to avoid decomposition (breakdown) of ammonium nitrate. This fertilizer is water soluble and is used for the different crops and kind of soils. The nitrogen, which is rapidly absorbed by plants is relatively stable to decay due to its ammonium form. Calcium contributes to the movement of the carbohydrates and increases solubility of nutrients in the soil, which are rapidly absorbed by plants. Calcium encourages growth and development of root system in plants. Symptoms of deficiency of calcium are expressed in the appearance of whitish spots on the leaves and the loss of the turgidity.

 

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