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  • Potash, urea, sulfur, reactive rock phosphate, superphosphate.
    Rights: Massey University Published 30 July 2013 Size: 84 KB Referencing Hub media

    Various fertilisers contribute different nutrients for plant growth. Potash contains potassium, urea contains nitrogen, elemental sulfur contains sulfur, reactive rock phosphate contains phosphorus and superphosphate contains phosphorus, sulfur and calcium.

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