Which of the following statements are true in context of Nutrient Based Subsidy?

1.    A fixed rate of subsidy (in Rs per Kg basis) is announced on nutrients namely Nitrogen (N), Phosphate (P), Potash (K) and Sulphur (S) by the Government on annual basis.

2.    The main objective of introducing NBS was to restore soil health

3.    NBS is applicable on Urea also  

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