The quantity of SSP (16% P2O5) required for application to one acre of rice-field at a dose of 60 kg P2O5 ha-1 is

Answer: Option C

The analysis or grade of a fertilizer refers to the minimum amounts of nitrogen phosphorus in the SSP in the fertilizer.
$$\begin{array}{rl}& \text{The does of nutrient}\\ & =\frac{\left(\text{Quantity of fertilizer}\times \text{Nutrient content}\right)}{100}\\ & \text{The quantity of fertilizer required}\\ & =\frac{\left(100\times \text{Dose of nutrient}\right)}{\text{Nutrient contant}}\end{array}$$
  $$=$$ 150 kg of SSP is required for application to one acre of rice field.