prosses phosphate fertilizer

  • How we make our fertilizer | Yara International

    This process is a cleaner process with no waste products and produces two fertilizers: Nitrophosphates which are combined with potassium to produce the complex NPK fertilizers such as YaraMila. Calcium nitrate (from the nitric acid combining with the calcium in the rock phosphate) as found in the YaraLiva range.

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  • Understanding phosphorus fertilizers | UMN Extension

    Rock phosphate is the raw material used to manufacture most commercial phosphate fertilizers on the market. In the past, ground rock phosphate itself has been used as a source of P for acid soils. However, very little rock …

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