The correct option is B False
∙ Manures and fertilisers are used in fields to enrich the soil with the required nutrients.
∙ To get an optimum yield, it is instructed to use a balanced combination of manures and fertilisers in the soil.
∙ Manure helps in enriching the soil with organic matter and nutrients. This improves the fertility and structure of the soil.
∙ On the other hand, fertilisers ensure a healthy growth and development in plants. They are a good source of nitrogen, phosphorus and potassium.